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Rating is 4.8 out of 5.
4.8/5
based on 3,225 client reviews
  • US$150 hourly

    • 5.0/5
    • (102 jobs)
    Telecommunication and Systems engineer with a focus on Cloud, Networking and Linux, experience in Infrastructure management and deployment. Deployed Private Cloud infrastructure, Datacenter Network Design for Multi-tenancy, fault-tolerant design, NIC Bonding and VRRP for High Availability. Stack: *Full virtual networking with vSwitches and vRouters *VLAN, VxLAN, GRE and Overlay tunnels *IPv6 *MP-BGP, EVPN *Firewalling *VPN/OpenVPN/IPSec/WireGuard/Site to Site and Client-Server * VPP/DPDK for 100G VPN and routing *Advanced Linux management: IPTables, Kernel modules, Virtualization, Networking. *Traffic engineering *Advanced StrongSwan IPSec tunnels, XFRM *Cloudstack with Open vSwitch *OpenNebula with Open vSwitch *OpenDaylight SDN controller with OpenvSwitch *Advanced Proxy setup with Squid/Nginx *Virtuozzo and OpenVZ *KVM and Libvirtd *RADIUS and FreeRADIUS *Pacemaker/Corosync/Keepalived HA cluster *MTLS design and implementation with NGINX *IoT gateway implementation with Raspberry Pi and 4G modems *DevOps experience with Chef and Ansible *Bash and Python scripting
    vsuc_fltilesrefresh_TrophyIcon Web Proxy Specialists
    Internet of Things
    Apache CloudStack
    Linux System Administration
    OpenVPN
    Computer Network
    Private Cloud
    Kernel-based Virtual Machine
    System Administration
    Firewall
    Ubuntu
    Network Security
    Linux
    Internet Protocol Security
    Network Engineering
    VPN
  • US$225 hourly

    • 5.0/5
    • (90 jobs)
    Hey, I'm James. I've been a self-employed business network and server admin for 21+ years. I've worked with all flavors of Linux and Windows for some of the best businesses in the country. My average customer that I've worked with has been with me over 10 years. I specialize in analyzing current infrastructure and determining the needs of my clients then providing a written plan to correct any issues and protect the business systems from hackers and cryptolockers. In one of my recent projects, I consulted with a six billion dollar, publicly traded company to completely redesign their infrastructure to have redundant firewalls, VMWare host servers, leased fiber lines directly to Amazon AWS with a VPN backup over a regular Internet circuit that would automatically fail over in case of any circuit issue. The vmware servers would auto migrate the guests in the case of overload or host server failure. All power systems were redundant with two powersupplies for each piece of equipment. At the end of this project, we had reduced their monthly cost of management by over 25,000 per month and reduced their server load from over 20 servers to just 8 servers. When you hire me, here's what you can expect: 1. First, click the invite button to invite me to your job. 2. Once everything is accepted, I'll jump on the phone or a zoom with you 3. We'll go over the details of the job and I'll ask questions to drill down to the specific goals you want to accomplish. 4. I'll provide you with a high level written plan to address your goals along with expected time needed to complete your project. 5. When we agree on the timeline and process, I will execute the plan. So, if this sounds good, just click the "invite" button and we can start.
    vsuc_fltilesrefresh_TrophyIcon Web Proxy Specialists
    Docker
    Email Design
    Network Engineering
    Network Administration
    Network Monitoring
    Network Design
    Linux System Administration
    Network Security
    Network Planning
    Web Hosting
    Windows Administration
    Virtualization
    System Administration
    System Monitoring
    NGINX
  • US$59 hourly

    • 5.0/5
    • (82 jobs)
    Am a CCIE#26611 with extensive experience in Routing & Switching, Security, Datacenter, Virtualization, Programmability & Automation. Am delivering unique & absolutely different service for the below technologies: * SDN Datacenter: Cisco ACI, VMware NSX, Nutanix Flow, Arista. * SDN Storage: Cisco HyperFlex, Nutanix HCI, VMware VSAN. * SDN Access: Cisco DNA, LISP Implementation, Cisco Spaces, Cisco ISE, PacketFence. * SDN WAN: Cisco SDWAN, VMware VeloCloud, SilverPeak, PaloAlto SDWAN, FortiGate SDWAN, Meraki. * Programmability & Automation Controllers: Python & API tools to automate business intent & workflows within networks, Ansible, Chef, NSO, Terraform, OpenShift. * Monitoring Applications: Zabbix, SolarWinds, Home Made Custom Tools, Nmap, Packet Tracer (Wireshark). * Routing & Switching and Wireless Technologies: Cisco, Mikrotik, Juniper, FS, Arista. * Security: Cisco, PaloAlto, Meraki, FortiNet, Ubiquiti, VMware MDM. * Datacenter, Cloud Computing, Cloud Native, Virtualization & HCI Solutions. * Public Cloud: Design, Setup & Administer Tenants on AWS, Azure. * Micro-segmentation & Containerized Applications: Docker, Kubernetes. * Private 5G Networks: Azure Private 5G Core. * API Gateways & Swagger Documentation. * Python Scripting for DevOps, SecOps, NetOps & IaC. * Technical Writing & Documentation. Please refer to my LinkedIn account aossama. Certifications: * CCIE Enterprise CCIE#26611. * Cisco CCNP DevNet. * Cisco CCNP Enterprise. * Cisco CCNP Datacenter. * Cisco ACI Certified Specialist.
    vsuc_fltilesrefresh_TrophyIcon Web Proxy Specialists
    Server & Virtualization Software
    Fortinet
    MikroTik
    Cisco Meraki
    Network Security
    Palo Alto Firewalls
    Network Design
    Network Monitoring
    Network Engineering
    Python
    Information Technology
    Cisco Certified Internetwork Expert
    Cisco ACI
    Software-Defined Networking
    Cisco
  • US$45 hourly

    • 4.7/5
    • (307 jobs)
    I am independent network consultant with 19 years of experience in network/security business and a CCIE Security #36569 Engineer. As a rule I only give out proposals to jobs that I know how to finish. My goal is to solve issues at hand quickly, precisely and without any delays. As a system engineer and consultant I was responsible for design, implementation and operations of setups ranging from SMB networks to large worldwide-scale deployments. Some of projects I was involved in a significant capacity (lead designer, main contractor for deployment and operations, ...) in included: - SD-WAN networks buildup and operation for two global, publicly traded corporations - Network buildup, optimization and operation for SMBs and mid-range businesses - Building infrastructure for several public VPN providers - Design and implementation MPLS Core infrastructure spanning up to 100 power plants - PCI Tier4-certified payment gateway infrastructure for national toll systems
    vsuc_fltilesrefresh_TrophyIcon Web Proxy Specialists
    Linux System Administration
    Cisco Certified Internetwork Expert
    Palo Alto Firewalls
    Cisco Router
    Network Administration
    Network Security
    Cisco Meraki
    Zabbix
    VPN
    Cisco ASA
  • US$20 hourly

    • 5.0/5
    • (2 jobs)
    HI! Im just an IT guy that has experience in a wide variety of things. Check my certifications on my profile. I have experience in: Windows/Linux Administration Python Automation Midjourney AI Windows Power Automate General Systems Troubleshooting Routing and Switching General Network Issues
    vsuc_fltilesrefresh_TrophyIcon Web Proxy Specialists
    Flask
    Data Extraction
    Network Security
    Midjourney AI
    Bootstrap
    CSS 3
    HTML5
    Computing & Networking
    Web Scraping
    Data Mining
    Automation
    Linux
    Python
    VPN
    Helpdesk
  • US$39 hourly

    • 5.0/5
    • (124 jobs)
    I have 30-years experience in network projects including design, implementation, system administration and in software development. For the first 5 years of my career I worked on software development: coding and especially testing. For the last 25 years I'm working on implementation and maintenance of University of Nis WAN. Last 20 years I'm deeply involved in AMRES (Academic Network of Serbia) project. Don't fix it if it ain't broken, don't break it if you can't fix it! SKILLS SUMMARY - Any system administration tasks - Operating Systems: any *nix (Linux, FreeBSD, SGI IRIX, SCO, Solaris, OSX), Windows 3.1/9x/Me/XP/Vista/W7/W8/W10, WinServer NT/2K/2003/2008/2012/2016 - LAN & WAN: Ethernet, Fast Ethernet, Gigabit Ethernet, FDDI and Wireless LANs. T1/T3, SDH/SONET, Frame Relay, WDM, ISDN, ADSL, SHDSL, Cable Modems, Cellular, X.25. - Network Protocols: TCP/IP, IPv6, UDP, OSI, CDP, IP Multicast, IPSec, VoIP, Routing, VLANs, Bridging, Trunking, VPN, SNA, DLS - Network Services & servers: SMTP/POP3/IMAP, FTP/SFTP, Telnet/SSH, HTTP/HTTPS, DNS, DHCP, NNTP, NTP, LDAP, SNMP, NETBIOS, Apache, Nginx, MySQL, Plesk, cPanel, Zimbra, VMware, CentOS, Ubuntu, Debian - Network Equipment: various types of modems, firewalls, switches and routers. - Dedicated, VPS and cloud environment servers (Amazon AWS, Google Cloud, MS Azure, Digital Ocean, Linode). - Programming Languages: Unix Shell scripting, BASH, C, Pascal, MS Visual Basic, PHP, HTML, (a bit of Python).
    vsuc_fltilesrefresh_TrophyIcon Web Proxy Specialists
    CentOS
    Ubuntu
    System Administration
    Apache Administration
    SSL
    Let's Encrypt
    Linux System Administration
    Firewall
    Red Hat Administration
    Internet Security
    Cloudflare
    Zimbra Administration
    Unix System Administration
    Network Security
    Network Administration
  • US$225 hourly

    • 5.0/5
    • (42 jobs)
    🌟 TOP RATED PLUS Cybersecurity Consultant with 100% Job success rate 🌟 ✅ Penetration Testing: Standard, Web application, mobile applications. ✅ Compliance: CMMC, DFARS, NIST 800-53, NIST 800-171, PCI, HIPAA, GDPR, ISO, SOC, SOX, GLBA, FedRAMP, CCPA, and more. ✅ Incident Response: Ransomware recovery, hacking response, forensic investigations. ✅ vCISO: Virtual Chief Information Security Officer ✅ Vulnerability Management: Vulnerability Scanning Hello, It is great to meet you (virtually)! My name is Tyler. I have over 15 years of cyber-security experience in multiple verticals. I have worked with fortune 500 brands, government, military, and intelligence agencies. 🌟 I have provided expert cybersecurity and compliance consulting for startups to hundreds of businesses! 🌟 My core expertise resides in: compliance and governance (PCI, HIPAA, SOC 2, NYSDFS, CMMC, DFARS, ISO, NIST, GDPR, and more), ethical hacking, incident response, penetration testing, secure design and architecture, and public speaking. I am an excellent writer and also possess business savvy. Pairing technical expertise with exemplary writing skills is my forte. I am also fluent in Brazilian Portuguese. I currently hold the following educational degrees and certifications: ✅ Master of Business Administration (MBA) ✅ Bachelor of Science in Cyber-Security ✅ Certified Information Systems Security Professional (CISSP) ✅ GIAC Certified Incident Handler (GCIH) ✅ GIAC Security Essentials Certification (GSEC) ✅ Microsoft Certified Systems Expert (MCSE) ✅ Microsoft Certified Systems Administrator (MCSA) ✅ Microsoft Certified IT Professional (MCITP) ✅ CompTIA Security+ ✅ CompTIA A+ ✅ CIW Web Design Associate WHY CHOOSE ME OVER OTHER FREELANCERS? -Professionalism: I treat all clients with respect and honor their trust in my services. -Expertise: I have expertise across many cybersecurity, information technology, and compliance areas. -Responsiveness: Constant and effective communication is the key to a successful engagement. -Dedication: When i take on a task or project, you deserve my undivided attention and focus! -Versatility: I can easily pivot from many different tasks. Whether your project is a standard penetration test or a Chief Information Security Officer engagement, I have the ability, knowledge, experience, and credentials to adjust based on your requirements. -I have led over 150 incident response cases. -I have brought over 75 organizations to full compliance for DFARS, NIST, PCI, HIPAA, GDPR, and more. -I have conducted over 200 penetration tests. ✅ I will ensure that you get the results that you deserve. My clients trust me to complete their tasks and I ALWAYS deliver! Whether you are seeking a long term partner or a short term project, I am ready to deliver the high quality results that you deserve.
    vsuc_fltilesrefresh_TrophyIcon Web Proxy Specialists
    Certified Information Systems Security Professional
    HIPAA
    Defense Federal Acquisition Regulation Supplement
    Policy Writing
    GDPR
    Internet Security
    Security Analysis
    Information Security
    Encryption
    Security Assessment & Testing
    Application Security
    Incident Response Plan
    Vulnerability Assessment
    Network Security
    Penetration Testing
  • US$75 hourly

    • 5.0/5
    • (13 jobs)
    I am a certified Salesforce Developer with over five years of extensive experience in Salesforce application development. My passion and expertise lie in crafting tailored solutions that help businesses thrive. I specialize in Copado for streamlined Salesforce deployments and possess proficiency in a wide array of Salesforce technologies, from Lightning Components to Web Services. With a commitment to optimizing workflows and ensuring smooth project delivery through Copado's robust deployment capabilities, I am dedicated to helping you achieve your Salesforce goals. 🔧 What I Bring to the Table: ✅ Salesforce Technologies: Lightning Web Components, Lightning Flows, Apex Development, Web Services (REST/SOAP), VF Pages, Apex Triggers, Custom Settings ✅ Salesforce Clouds and Functionalities: Sales Cloud, Service Cloud, Approval Process, Asynchrnous Apex ✅ Data Management and Deployment: Copado Deployment and Release Management, Salesforce Data Loader, Git, JIRA, Azure ✅ Query Languages: SOQL, SOSL ✅ Web Technologies: CSS, HTML, JavaScript, jQuery, Bootstrap, LDS (Lightning Design System of Salesforce) ✅ Other API Integrations: Twilio, Shopify, Stripe, AnswerHub, WooCommerce and more I specialize in Salesforce development, offering end-to-end expertise from design to implementation. My proficiency spans a variety of Salesforce platforms, such as Sales Cloud, Service Cloud, Pardot, and more. I excel at custom app development, process automation, insightful reporting, and system maintenance. Additionally, I bring hands-on experience in API ensuring seamless integration with your tech stack. My toolkit includes Apex development, Visualforce page design, and robust administration setup. I'm also a certified Copado specialist, streamlining Salesforce deployments and enhancing release management. I've successfully implemented Copado strategies for clients, improving deployment efficiency and minimizing errors. My approach is grounded in effective communication and collaboration throughout the development and testing phases, prioritizing your success. Let's partner together to unlock the full potential of Salesforce for your business! Let's collaborate to unlock the full potential of Salesforce and Copado for your business. --- Salesforce, Copado, Salesforce Developer, Salesforce Deployment, Lightning Web Components, Apex Development, Salesforce Applications, Salesforce CRM, Salesforce Integration, Salesforce Customization, Salesforce Lightning, Salesforce App Builder, Salesforce Implementation, Salesforce Data Loader, Salesforce SOQL, Salesforce SOSL, Salesforce API, Salesforce REST, Salesforce SOAP, Salesforce Visualforce, Salesforce Triggers, Salesforce Workflows, Salesforce Automation, Salesforce Pardot, Salesforce Service Cloud, Salesforce Sales Cloud, Salesforce Community Cloud, Salesforce Commerce Cloud, Salesforce Marketing Cloud, Salesforce Einstein, Salesforce CPQ, Salesforce DX, Salesforce Sandbox, Salesforce Lightning Experience, Salesforce Release Management, Salesforce Git, Salesforce JIRA, Salesforce Azure, Salesforce Approval Process, Salesforce Asynchronous Apex, Salesforce Custom Settings, Salesforce Reports, Salesforce Dashboards, Salesforce Mobile, Salesforce Chatter, Salesforce Einstein Analytics, Salesforce Security, Salesforce Data Management, Salesforce Lead Generation, Salesforce Campaigns, Salesforce Opportunities, Salesforce Cases, Salesforce Knowledge Base, Salesforce Developer Tools, Salesforce Development, Salesforce Solutions, Salesforce Workflow Rules, Salesforce Process Builder, Salesforce Territory Management, Salesforce Partner Community, Salesforce Custom Objects, Salesforce Custom Fields, Salesforce Custom Apps, Salesforce AppExchange, Salesforce Certified, Salesforce Best Practices, Copado Specialist, Copado Integration, Copado Automation, Copado Deployment Services, Copado Release Management, Copado Git Integration, Copado JIRA Integration, Copado Salesforce Integration, Copado Customization, Copado Solutions, Copado Best Practices, Copado DevOps, Copado CI/CD, Copado Continuous Integration
    vsuc_fltilesrefresh_TrophyIcon Web Proxy Specialists
    Microsoft SharePoint
    Salesforce Lightning
    Commerce Cloud
    Angular
    Salesforce CRM
    Salesforce
    Microsoft Active Directory
    Microsoft Power Automate
    CRM Software
    Salesforce App Development
    Salesforce Sales Cloud
    Microsoft Dynamics CRM
    .NET Core
    Salesforce Marketing Cloud
    Microsoft Dynamics 365
    React
    Office 365
    Microsoft Dynamics ERP
    Microsoft Azure
    Microsoft SharePoint Development
    Microsoft Power BI
    C#
    Salesforce Service Cloud
    Microsoft PowerApps
    Microsoft Power BI Data Visualization
  • US$40 hourly

    • 4.8/5
    • (86 jobs)
    I am a Dynamic, Dedicated, Passionate and Quickly Adaptable Freelancer with Technology along with ✅100% JSS ✅ 70%+ Long-Term Clients ✅ 80%+ Clients Recommendation ✅ 75+ Active and Completed Jobs with Positive Feedback🏅Architect Certified on Sophos and Fortinet ✅ Others Certification on Network and Security 🏦 Long-Experience with MSP, Corporate and Solution/Service-Provider Sectors. Here, I would like to share my Working experiences, fields of expertise and much more- ☑️ I have 9 years plus hands-on experiences on Network, System, Security administration, Deployment and Migrations on different Infrastructures along with direct involvements/cooperation on different known issues from Deployment stage to end-user’s support. ✅ Fields of Specialization: 1. Because of having 8 years plus exclusive experiences on different Fortinet Infrastructures Deployments and Administration I can work with the Complete Design, Deployments, Migrations and Integrations on these Different types of Fortinet Infrastructures such as- • Fortigate, Forti-APs, Forti-Switches, FortiVoice-Enterprise, Forti-Manager, Forti-EMS,FortiAnalyzer, FortiAuthenticator, FortiNAC, Fortinet Security Fabric Devices, FortiSandbox, FortiToken/Mobile/Service. 2. I have strong experiences on these Devices and Technologies as well. • Sophos and Sophos Central (Cyberoam & XG Firewalls, REDs, Endpoints, XDR, MDR) etc. • SonicWALL, Palo-Alto, Barracuda, PfSense and Others Firewalls. • Cisco-Firepower, Firepower-Thread Defence and FMC. 3. Long experiences on the Network and System Administration on these Infrastructures- • Routing & Switching on Cisco, Mikrotik, Juniper etc. • Wireless Implementation on Cisco, Aruba, Ruckus, 4Ipnet, Unifi/Ubiquiti, Forti-AP, Cambium, Altai, TP-Link-Omada etc. • Mail-Server Administration on Office365, G-Suite by Google, Zimbra etc. • Windows Server Solution (Active Directory, DNS, File-Server, WSUS) etc. • Virtualization & Datacentre Managements on VMware, ESXi, vSphere or VCenter, Hyper-V, Synology-NAS/SAN and Others. • Voice Solution implementation on renowned Voice Solution Providers such as FortiVoice Enterprise, Grandstream, 3cX, Synway, Yeastar-PBX, FreePBX etc. • Endpoint Solution Deployments on TrendMicro, Sophos Endpoint Protection, FortiClient by Forti-EMS (Endpoint Management Server) etc. • Complete Video Conferencing Solution on Dahua, Polycom etc. • Surveillance, Attendance reader solution on Hikvision, Dahua, ZKTecho, Handuri etc. 4. I am a quick and dynamic learner. I can adjust myself with the Technological innovation within a very short amount of time. 5. I am a technical person with a Never Give-Up character. Here I am adding some of my clients valuable Feedback. It might help you to decide on me. 🏅Feedback on Fortinet-Infrastructures from a long-time contract "Provides best practices & suggestions. Met the goal. Completed the deployment accordingly. Always available for any emergency situation. I totally recommend Norul!" "Norul has done multiple jobs for us and still. He has always exceeded expectations. Always professional. Highly recommend!" 🏅Feedback on Sophos and others Infrastructures from a Long-Time Contract (A MSP in SA) "Absar has done a very good project for us. He already completed 20+ Sophos Devices Upgrades and along with several others Deployments and Migrations related tasks and is still working with us. He already become a very reliable Freelancer for our company and I hope we can continue this journey for much longer. He is highly skilled on different UTM base Next Generation Firewalls especially on Sophos, Fortinet, SonicWall, PfSense and others. He is also working with us on different Network and System related Troubleshooting and Support. I highly recommend him." Others are "Great Sophos Expert to work with. A great professional. Would like to engage him on future projects." 🏅Feedback on SonicWALL Firewall's related project "Very smart, knowledgeable and quick to respond. Highly recommend him." I have several valuable feedbacks with great reviews on Upwork. You can also have a look on that. 🎖️Certifications (Completed & Enrolled) • Certified Architect by Sophos. • NSE-7 (Network Security Architect) –NSE-ID:- 0Qjbf0qGSd • Sophos-Firewall v19.5-Engineer. • Sophos Firewall v19.5-Architect • NSE-4 (Network Security Professional) – NSE-ID:- GThFxY1viO • Sophos Central Endpoint and Server v4.0-Engineer. • Central Endpoint and Server v4.0-Architect. • NSE-5 (Network Security Analyst) on FortiAnalyzer- NSE-ID: - 8gIRCniwPN. • NSE-1 (Network Security Associate) By Fortinet License Number: OYBF7cetpL • NSE-2 (Network Security Associate) By Fortinet License Number: FTsFjlmHck • CNSS (Certified Network Security Specialist) By ICSI, UK License Number: 18427811 • Cisco Certified Network Associate (Routing & Switching) Cisco-ID: - CSCO13303817
    vsuc_fltilesrefresh_TrophyIcon Web Proxy Specialists
    SonicWall
    PfSense
    System Administration
    VoIP PBX
    Sophos Sophos UTM
    Security Management
    Wireless LAN Controller
    Palo Alto Firewalls
    Security Infrastructure
    FortiGate Firewall
    Network Administration
    Fortinet
    Firewall
    Network Security
    VPN
  • US$40 hourly

    • 4.9/5
    • (44 jobs)
    A self-motivated, quick learner and capable Technology Consultant with a solid technical and managerial background and a proven record in consultation, planning, preparation, implementation, management & maintenance of various result-oriented IT solutions. With extensive knowledge and strong analytical skills complemented by excellent interpersonal skills and a commitment to customer satisfaction and experience in planning, preparation and designing customized solutions to address specific customer requirements, improve overall productivity, and dramatically increase efficiency. I have about 15+ years of planning, preparation, deployment, support and consultant experience on Microsoft infrastructure solutions including but not limited to Active Directory, ADCS, ADFS, ADRMS, Exchange, SfB, System Center, Private Cloud, Public Cloud, Virtualization, Azure, O365 & security solution.
    vsuc_fltilesrefresh_TrophyIcon Web Proxy Specialists
    Microsoft Hyper-V Server
    Fortinet
    Information Security Audit
    Cloud Implementation
    ISO 27001
    Cloud Security
    Private Cloud
    Microsoft SCCM
    Network Security
    Microsoft SCVMM
    Microsoft Active Directory
    Microsoft Exchange Server
    Windows Server
    Microsoft Azure
  • US$50 hourly

    • 5.0/5
    • (218 jobs)
    I am an Elastic Stack (ELK) Certified Engineer. I am an expert for Elasticsearch, Logstash, Kibana, SIEM, Beats, Wazuh, Elastalert and other elastic stack products. I have been working with Elasticsearch since its version 1.5. I have implemented large-scale implementations dealing with billions of documents and TBs of data. I have implemented various use cases with Elasticsearch for organizing, cleaning, visualizing and securing data at a large scale. I am also an expert in Solr, Sphinx Search, and Manticore search. I have 10+ years of experience implementing, scaling, fine-tuning large scale full-text search using Solr, Sphinx/Manticore search. Have implemented several large-scale searches with Elasticsearch, Sphinx, Manticore and Solr for eCommerce, forums, portals, internal custom search and more. I am an expert in setting up fully functional, large-scale SIEM using Elastic Stack (ELK). Have implemented log ingestion, thread hunting, alerting, reporting etc. for SIEM. I am an expert of beats, wazuh, elastalert and many more. I am also an expert with XPack for securing Elastic Stack. If you need to implement, upgrade, maintain, optimize, need proof of concept around ELK, I can help. If you are having any sort of issues with Sphinx / Manticore, Elasticsearch or Solr, you should contact me.
    vsuc_fltilesrefresh_TrophyIcon Web Proxy Specialists
    Grok Framework
    Network Security
    Grafana
    Kibana
    Logstash
    Firewall
    Elasticsearch
    Magento
    Apache Lucene
    PHP
    Full-Text Search
    Sphinx
    Apache Solr
    MySQL
  • US$30 hourly

    • 4.9/5
    • (41 jobs)
    Expert in Routing, Switching, and Firewalls, earned CCNA, CCNP, and CCIE Cisco Certs, proven expertise in Pfsense, Cisco devices & other firewalls. I have gained expert-level skills in diagnosis and troubleshooting for cloud-based and on-premise security and network equipment from Cisco, pfsense, Palo Alto, Sonic Wall, Ubiquity, Mikrotik, and many more. Expert level configuration skills in cloud deployments and SDNs such as Hetzner, GCP (Google Cloud Platform), Microsoft Azure, Digital Oceans, and AWS (Amazon web services), provided network and application security services using third-party cloud-provided firewalls/pfsense, etc I have managed and secured VM networks for multiple clients/Organisations and secured cloud-based and on-premise POS/ERP software, I also had the privilege of providing design and security expertise to a few local companies managing clouds and small data centers. I am well-versed with VPN technologies such as IPsec, dmvpn (cisco), flex, tail scale, gre, wireguard, and Openvpn for devices/firewalls such as Cisco, pFsense, Mikrotik, Openwrt, Linux, Sonic wall, and others. I have proven expertise in managing hypervisors such as Proxmox VE, HyperV, and KVM, also managed and configured cloud-managed backups with the proxmox backup server and Vaeem. I have proven expertise in Docker Containerisation (Application deployment) with docker swarm and docker-compose, Kubernetes, and Terraform. I have provided support/ consultancy to many call centers, software houses, and workspaces, including multiple small and medium organizations globally. I have proven expertise with s2s, remote, on-premise2cloud VPN connectivity, proven expertise with Zabbix configuration/monitoring/alert management, and provided state-of-the-art security with IDS and IPS such as Snort and Suricata on Linux, pfsense, and opensense. I have proven expertise with traffic filtering, torrent blocking, Quality of Service for VOIP, and user-specific bandwidth allocation through using Pfsense/opensense/linux/cisco limiters and shapers.
    vsuc_fltilesrefresh_TrophyIcon Web Proxy Specialists
    UniFi
    Docker
    Zabbix
    Ubiquiti
    Cisco
    MikroTik
    PfSense
    Proxmox VE
    Amazon EC2
    Network Security
    Firewall
    VPN
    OpenVPN
    Linux
    Amazon Web Services
  • US$156 hourly

    • 5.0/5
    • (80 jobs)
    ✅ I might well be the most adaptable all-round IT resource you've ever worked with. With nearly two decades of experience in IT, there's never been a problem I couldn't find a solution for. Whether it's an industry leading toolset, or an obscure line-of-business application, I find a way forward for your business. ✅ Hand-picked Upwork Expert Vetted (Top 1%) Earner with over $300k earned on the platform with a 5-Star Rating ⭐⭐⭐⭐⭐ 🧑‍💼Who Do I Help?👩‍💼 ➡️ Are you a start-up looking for some expert help on getting your tech up to scratch? I can help you worry less about your business's IT, so you can focus on doing what you do best. No matter what stage of start-up you are, I can offer an adaptable solution to meet and maximize your business's needs, whilst being mindful about scalability and cost control for you as your business grows. ➡️ Are you an existing SMB looking to supplement your existing IT support/project capabilities? Do you have issues finding experienced subject matter experts that can assist with high level L3/L4 support incidents related to IT infrastructure or software? I've remotely handled all kinds of emergencies as well as executed projects requiring the coordination of hundreds of people across a business. As a result, your team's experience grows during the engagement, and you are left with a solution that fits your requirements with a predictable budget and on-time with clear communication throughout. ➡️ Are you a small business in need of help with getting the most from Microsoft 365? So many businesses sign up for an account and leave their environments 'half used' when they could get so much more out of their subscription. Security, Compliance, Automation, Best Practice adoption, etc. - there's a ton that Microsoft's industry leading suite can offer as it evolves, so make sure you're getting the best bang for your buck. ➡️ Do you have concerns over the security of your Microsoft 365 environment? Cybersecurity threats are real, and they're here to stay. I can help your business become and remain vigilant, ensuring that you adopt security best practices, and maximize the abilities of the Microsoft eco-system to secure your data and your company's reputation. ➡️ Do you run a critical website or web application that you're having problems with? A number of my clients make their money from their presence on the web. If that's you, then make sure you're managing and maintaining your environment to ensure that it's secure, cost-effective, and well architected. This could be anything from a basic Wordpress website, through to a custom eCommerce solution that may not be maintained or deployed properly. If you rely on a website or web application for your livelihood, I can help you ensure that it's resilient, cost-effective and that best practices are followed for keeping it secure 🧠 My Core Expertise 🧠 ⚡️ Microsoft Windows Server ⚡️ Microsoft 365 ⚡️ Microsoft Intune ⚡️ Microsoft Azure Certified Administrator Associate ⚡️ IT Compliance & Governance ⚡️ AWS Certified Solutions Architect ⚡️ IT Project Management/Delivery ⚡️ Linux Support - Ubuntu, Apache ⚡️ Networking (DNS, DHCP, Routing, VPNs, Firewall & Security, VLANs) ⚡️ VMWare ESXi & Hyper-V ⚡️ Email Deliverability (DNS, SPF, DKIM, DMARC) ⚡️ Powershell/Automation ⚡️ Modern Workplace Adoption ⚡️ Web Hosting/SSL/DNS/Wordpress 🤔 Who am I? Originally from Canada, now living in Scotland, I am a Microsoft and AWS Certified Senior IT Resource & Project Manager with a focus on providing great service across the globe. My superpower is my ability to listen, learn, adapt and provide solutions to my clients' varied requirements. I embrace change and welcome opportunities for problem solving. It feeds my soul! I am a reliable and trustworthy IT pro with a wide array of experience across sectors and technologies (Education, Legal, Hospitality, Finance, etc.). My work tends to revolve around high-level problem solving and troubleshooting for all sorts of on-premise (Microsoft, VMWare, Linux) and cloud (Azure, Microsoft 365 and AWS) infrastructure. In addition to managing Windows and Linux servers, I have completed dozens of server migrations and troubleshooting all sorts of deep-rooted issues that go otherwise unresolved. In my 15 years with one of Scotland’s leading IT Managed Service Providers, I was the final point of escalation for technical issues, and as such I was privy to a wide array of interesting and frustrating issues that our clients faced. As such, I've developed and honed an ability to find creative and effective solutions for technologies I'd never previously encountered. I never submit for work that I can't deliver 100% on, and would welcome a conversation with you if you're looking to get some help with your IT setup. Thanks for your time!
    vsuc_fltilesrefresh_TrophyIcon Web Proxy Specialists
    Amazon Web Services
    Microsoft Exchange Server
    Amazon EC2
    Network Security
    Office 365
    Microsoft Windows
    Windows Server
    VMware ESX Server
    Microsoft Server
    Microsoft Azure
    Microsoft IIS
    Technical Support
    System Administration
    Business with 100-999 Employees
    Business with 10-99 Employees
  • US$20 hourly

    • 5.0/5
    • (21 jobs)
    Experience in Technologies: OS: Windows Server 2003R2-2022: Active Directory, DNS, DHCP, IIS, Remote Desktop Services, RRAS, WDS, WSUS, CA, Files servers, Group policy etc. Debian, Ubuntu, Fedora, CentOS, FreeBSD – Apache, nginx, PHP, nodejs, iptables, firewalld, LVM, Samba etc. Database servers: MS SQL Server, MySQL, PostgreSQL Virtualization: VMware, Hyper-V, KVM VPN: PPTP, SSTP, IPSEC, site to site VPN. Managing networks infrastructure: wireless access points, switches, routers. Cloud: Amazon AWS, Microsoft Azure, Google Apps for Business Scripting: vbs, PowerShell, bash, php, python
    vsuc_fltilesrefresh_TrophyIcon Web Proxy Specialists
    Windows Administration
    Kernel-based Virtual Machine
    Linux System Administration
    AWS CloudFront
    Bash Programming
    Amazon EC2
    Virtualization
    Network Security
    FreeBSD
    Microsoft Active Directory
    Windows Server
  • US$75 hourly

    • 5.0/5
    • (19 jobs)
    My approach involves a meticulous understanding of project requirements, coupled with a hands-on approach to problem-solving. I am committed to delivering comprehensive solutions that span from the endpoint to the perimeter, ensuring the integrity and security of your IT infrastructure. Key Areas of Expertise: - Cybersecurity: Specialized in Fortinet products - Fortigate, Forticlient, FortiEMS, Fortianalyzer, FortiManager, Fortiswitch, FortiAP - with a keen focus on innovative solutions. I'm also Fortinet NSE4 certified and an official Advocate Fortinet Partner. - Virtualization: Proficient in installation, configuration, and troubleshooting of virtualization solutions using VMware and Hyper-V. - Cloud Solutions/Architect: Well-versed in Microsoft 365 and Azure cloud solutions. - Networking: Extensive experience in building and implementing end-to-end projects for small/medium LAN/WAN environments using a variety of vendors and technologies like Cisco, Aruba, and Fortinet. Why Choose Me? - Diverse Skill Set: As a "jack of all trades," I bring a wealth of experience across various IT domains. - Cybersecurity Focus: My dedication to Cybersecurity and Fortinet projects ensures cutting-edge solutions. - Commitment: I am incredibly responsive, responsible, and available for any IT infrastructure/operation project, ready to contribute my expertise to drive your success.
    vsuc_fltilesrefresh_TrophyIcon Web Proxy Specialists
    DNS
    Microsoft Active Directory
    VMware vSphere
    Virtual LAN
    Network Administration
    LAN Implementation
    Fortinet
    Cisco UCS
    Network Security
  • US$66 hourly

    • 4.7/5
    • (37 jobs)
    Certified Network Administrator/ Enterprise Ubiquiti Network Expert Certified Systems Engineering Expert Certified Systems Administration, Certified IT Support Specialist/Cyber Security Consultant Certified Network Security Expert (Home / Business), VAPT Certified System Security Expert. Certified HelpDesk Support Specialist Microsoft Azure Certified, Microsoft365/Azure EntraID Network Security Certified Network Security and deployment Consultant Domotz Expert/ Synology consultant Fortigate Certified Sonicwall Expert, Unifi/Ubiquiti Expert Hands on Experience on: Microsoft Exchange Online Windows 10 Administration Server Administration Experr Windows 11 Administration Remote IT Management/ VPN management Windows Server Administration Expert Domain Migration Microsoft Outlook Network Equipment consultation Server Virtualization Microsoft Windows Powershell Microsoft Active Directory Office 365 DNS DHCP Cisco, Fortinet, Fortigate, Pfsense Expert, Unifi/Ubiquiti Expert Administrator UDM pro, USG Expert UDM vpn Expert unifi specialist., MDM solution Specialist(jamfpro, Sophos mdm,) Azure, AWS, Google Work Space, Contabo, Rackspace Unifi, Ubiquiti Expert, SonicWall Expert(VPN troubleshooting) Threat Hunting, IPS ,IDS, WEB SECURITY, QUALYS, SENTINALONE. SOPHOS Network Administration, System Administration, Office365, Intune, MDM, Windows users Administration. Domotz admin, NAS, VLan Expert Windows servers 2016-2022 Failover Clustering , Hyper-V management, RDS, Synology DSM, Virtual Hosting. QNAP , QSAN ,NAS,SAN Active Directory Expert, VPN, Switches ,Routers Zendesk trainer, EDR, XDR, Connectwise Admin, CWRMM, Sentinal one Azure Sentinal. Fortinet, Cisco, Network monitoring Expert, Veeam Backup Specialist(Cloudberry, SPX) HIPPA complaince certified, PCI DSS accessor, PCI DSS complaince Expert. Having Certs (NSE1, NSE2, NSE3) ,CCNA, CCNP(training) Crowd Strike Deployment, TrendMicro deployment. Cloud Network/ System Administrator and Network/System Security consultant NSE 1 NSE 2 ICSI CNSS certified having vast and versatile experience in Network Administration with vast working in cloud technologies, QNAPS, VIRTUAL PRIVATE SERVERS , ACTIVE DIRECTORY. SECURING THE WEBSERVERS , SECURITY OF ON PREM NETWORK. Have worked on the antivirus deployments Crowd strike TrendMicro, Webroot, managing incidents and alerts on them. also have hands on Cisco network designs firewall configurations. Server and system administration grip on Windows Server (2012 2016 2019 2022) remote task management and remote assistant to the clients as well worked with the organization and provided them with tech skills network and system administration support as well as offered soft skills, my primary skillset is Network Design Network security OWASP mitigation System Hardening System Security Network Optimization Server administration Server Migrations Network troubleshooting Firewall Configurations Backup policies / configurations Desktop support. Cloud management Failover clustering Deployment and Management (Windows Server 2019, 2016, 2022). System security Solutions and Deployment. System Hardening. I will be optimizing the networks and will be providing industry solutions to clients including deployment of Antiviruses like crowd strike as well as trend micro I will be looking forward for more technical work here to pursue as a network and security consultant and technical support freelancer. I am sure I will provide quality work to the clients as per their requirements, and for me, client satisfaction is much important than the earned amount. I have worked with the US dental offices and MSP, so I want to invest my time here to reap good results. and serve the people here with my good technical skills about home networks and office networks . Hands on experience on Cisco Switches(CCNA CCNP LEVEL) and SonicWALL's + Fortigate firewalls, QNAP , QSAN, SYNOLOGY, Buffalo NAS, During My freelancing career i have worked on multiple projects like Network Designs solution deployment across the organization and on top of it have hands on Experience of vendor Management and have know how towards the TrendMicro and Crowd Strike. Setting up IT office were the main procedures during my Job Tenures and also Veeam backup deployment across the organization. EDR, MDR AWS AZURE Specialist. Experience in QNAPS, Synology, Virtualization Expert, Hyper V. Hands on Experience for providing Remote IT Support to multiple clients. Managjng Networks servers plus Security configurations.
    vsuc_fltilesrefresh_TrophyIcon Web Proxy Specialists
    Ubiquiti
    Information Security
    Network Security
    Network Administration
    Backup Administration
    Intrusion Prevention System
    Backup & Migration
    Cisco Certified Network Associate
    System Security
    Network Engineering
    Microsoft Azure
    Microsoft Active Directory
    Office 365
    System Administration
  • US$50 hourly

    • 5.0/5
    • (19 jobs)
    I’m a Computer Science Graduate working as a Security Engineer. I am also a Certified Ethical Hacker and a Certified Professional Penetration Tester. I love everything that has to do with Cyber Security. I have nearly six years of experience working as a freelancer and have worked on different projects from different categories. My other development projects usually include Python Projects and Automation. I have been studying and learning on my own. I love working with people, especially if they have the same passion for what they do. 🎓 Computer Science Graduate 🔐 Security Engineer with 5+ years of Experience 🎖️ EC Council Certified Ethical Hacker (Practical) CEH 🎖️ eLearnSecurity Certified Professional Penetration Tester (eCPPTv2) 🎖️ Certified AppSec Practitioner 🎖️ eLearnSecurity Certified Malware Analysis Professional (eCMAP) 🎙️ TEDx Organizer (Technical Lead) 🎖️ Microsoft Hall of Fame 👨‍💻 Worked as a Security Engineer and Security Analyst in large Corporates 🎖️ Top 1% on Try Hack Me 🎖️ Freelancing Since 2013 You can count on me if you need the following: ✅ The analysis of the security posture of your Organization, Servers, Websites, Endpoints, etc. ✅ Malware Analysis and complete Incident Management for any incidents ✅ Need good reports for Senior Management and Technical teams like Developers, SysAdmins ✅ Solutions to website/server being hacked by an adversary/hacker ✅ Recommendations and best practices for a sustainable term ✅ Deep Penetration testing and vulnerability analysis of a Website/Server/App etc. ✅ Anything related to ethical Security ✅ Server issues troubleshooting ✅ Website Deployment / Hardening [PHP, Nodejs, Laravel, React, etc.] ✅ SSL issues troubleshooting Infosec Skills: 🌟 Penetration Testing 🌟 Vulnerability Assessment 🌟 Scripting through Python, Powershell, and Bash 🌟 Malware Analysis 🌟 Source code analysis for vulnerabilities 🌟 Experience with corporate tools and SIEMs 🌟 Linux, Windows, iOS, Android, and IoT Penetration testing and security analysis 🌟 Extensive reporting 🌟 DevSecOps skills Please DO NOT contact me if: ❌ You need to hack/retrieve social media accounts ❌ You need to seek revenge through hacking ❌ Illegal or unethical activities Please make sure you message me initially before initiating a contract. I understand that some of my clients do not have the expertise and have less knowledge in this field. So, I am ready to initially help you understand your queries for FREE and will be happy to proceed.
    vsuc_fltilesrefresh_TrophyIcon Web Proxy Specialists
    Security Management
    Python
    Internet Security
    Risk Assessment
    Ethical Hacking
    WordPress
    WordPress Malware Removal
    Vulnerability Assessment
    Security Testing
    Metasploit
    Database Security
    Encryption
    Network Security
    Penetration Testing
    Firewall
  • US$25 hourly

    • 5.0/5
    • (465 jobs)
    Certifications that I hold: CEH ( Certified Ethical Hacker) 740 MCSA ( Installation, Storage and Compute with Windows Server 2016) To whom it may concern, In the last years I did more than 400 Penetration Tests and Security Assessments. Most of them on Web and Mobile ( Android and iOS ) applications with Finance Background implemented with various technologies and frameworks, server security testing and hardening. Sample reports can be provided who is interested. Prompt responses to your needs. You can consider me as and internal staff of your company , always helping you to do the best in security. --------------------------------------------------------------------- Phishing simulation for your company needs ___________________________________________________________ Professional Load and Stress Testing if you are interested for your application __________________________________________________________
    vsuc_fltilesrefresh_TrophyIcon Web Proxy Specialists
    Security Engineering
    Web Application Security
    Internet Security
    NIST SP 800-53
    Windows Server
    OWASP
    Ethical Hacking
    Manual Testing
    Security Infrastructure
    Network Security
    Penetration Testing
    Application Security
    Kali Linux
    Vulnerability Assessment
    Security Assessment & Testing
  • US$80 hourly

    • 5.0/5
    • (19 jobs)
    passionate security enthusiast interested in assisting a team increase their security posture by providing guidance and consultation on building and improving security operation capabilities, reducing overall attack surface with proper vulnerability management, and security engineering/architectural improvements.
    vsuc_fltilesrefresh_TrophyIcon Web Proxy Specialists
    Security Operation Center
    Security Engineering
    Cloud Engineering Consultation
    Cloud Computing
    Cloud Security
    Security Analysis
    Google Cloud Platform Administration
    Information Security Governance
    Information Security
    Network Security
    Configuration Management
  • US$200 hourly

    • 5.0/5
    • (3 jobs)
    Experienced Network and Cybersecurity Architect| Networking | Cybersecurity | Programming | Pre-Sales | Project Management | Cloud & Hypervisors Network & Cybersecurity Implementations and Expertise: 🔸 Extreme Networks Universal Zero Trust Network Access 🔸 Zscaler Secure Private Access and Secure Internet Access 🔸 Extreme Switching, Fabric Connect, Control, Wireless Cloud, 🔸 ExtremeCloud IQ - Controller, Site Engine 🔸 Firewalls- Fortinet, Palo Alto Firewalls and Panorama 🔸 Wireless- Extreme Networks, Ruckus Wireless Products, Mikrotik Products, Ubiquiti products etc 🔸 Switching- Extreme Networks Switches, Brocade Switches ICX, SLX. Juniper Mist and Switches. SRX etc 🔸 AAA - Extreme NAC, Aruba Clearpass, FreeRadius, Radius, AD, etc 🔸 Visio Network Diagrams - HLD, LLD 🔸 Cybersecurity: Skilled in UZTNA, ZPA, ZIA, QRadar SIEM, Qualys VA/PT, Burpsuite, and Extreme Cloud IQ SE (NAC, IAM, ZTP). Committed to safeguarding systems and data from threats. 🔸 Programming: Currently studying Python while experienced in HTML, CSS, MySQL, CMS, and other languages. Leveraging programming skills to enhance network functionality. 🔸 Pre-Sales: Possessing negotiation expertise and exceptional interpersonal skills. Collaborating with clients to understand their needs and provide tailored solutions. 🔸 Project Management: Demonstrating leadership qualities in managing projects. Proficient in scheduling, budgeting, cost control, and timely delivery. 🔸 Cloud & Hypervisors: Well-versed in OpenStack, AWS, VMware ESXi & KVM, and Linux Administration. Maximizing cloud infrastructure efficiency and optimizing hypervisor technologies.
    vsuc_fltilesrefresh_TrophyIcon Web Proxy Specialists
    Cacti
    Palo Alto Firewalls
    Network Access Control
    IT Consultation
    Cloudflare
    WordPress
    Information Technology
    Network Engineering
    Network Security
    Wireless LAN Controller
    Wireless Security
    WiFi
    Extreme Networks
    IT Support
  • US$165 hourly

    • 5.0/5
    • (32 jobs)
    Sr. Architect and Engineer specializing in Cybersecurity, Networks, Cloud, and IT Systems with proven international business experience and management skills. UPWORK experience: 9000+ work hours, 100% Job Success, Top Rated Plus, Expert-Vetted With 15+ years of professional experience, I provide a complete set of services from proven advanced technical solutions and methodologies to business development, team-building, and management. I have successfully delivered complex projects across heterogeneous environments such as Telco/ISP providers, SMB, and Large International Enterprises in USA, Europe & Globally. Main offered services include: • Cybersecurity Architect • Network Architect • System Architect • Cloud Architect • Digital transformation • Solution design and implementation • IT strategy development • Information Security Manager • vCTO | vCIO | vCISO • Executive Consultant Highly experienced SME in the following technology fields: Information Security & Cyber Security • Develop & enhance Cybersecurity management frameworks. • Develop, implement & monitor strategic, comprehensive enterprise information security & IT risk management programs. • Develop, and maintain cybersecurity policies, standards, baselines, guidelines, and procedures. Network/IT/System Security • Firewall, UTM, NGFW & NG-IPS protection: Fortigate, FortiManager, FortiAnalyzer, Cisco (ASA FirePower), Barracuda, pfSense, Checkpoint, PaloAlto, SonicWall, WatchGuard • Email Security: Cisco, Barracuda, Mimecast, Microsoft • Web Security: Cisco, Barracuda, Fortinet, McAfee, Zscaler • Proxy and Reverse Proxy: Squid, Nginx, Dante • IPSec VPN & SDWAN: Cisco DMVPN, HPE ADVPN, Fortigate ADVPN • SSL VPN: Fortigate, Cisco, PaloAlto, Barracuda, SonicWall, OpenVPN, pfSense, Swan, OpenConnect • Network Access Control (802.1X, Radius, Tacacs+…), BYOD and MDM : Aruba ClearPass, Cisco ISE, PacketFence, NPS, Genians, Intune... • IAM SSO SAML2 Oauth: OKTA, Keycloack, Auth0 • DLP & CASB Bitglass, Forcepoint • EDR McAfee, Sophos, SentinelOne... • SIEM and SOC solutions - Wazuh, Fortinet, Splunk... IT Cloud/Systems/Virtualization/Backup/DR • Hybrid Cloud, Multi Cloud Architecture • Cloud Infrastructure Security, Networking, Storage, VPC (AWS, Azure, OVH, OpenStack...) • Virtualization planning, implementation, tuning (VMware, Proxmox, KVM, Hyper-V) • Hyperconverged HCI solutions ESXi & vSAN, Proxmox & CEPH • Linux Systems deployment, administration and development (Debian Ubuntu OpenSuSE CentOS RedHat) including performance optimization, hardening, scripting, HA, backup & restore • Windows Server architecture & administration (Hyper-V AD GPO DNS DHCP PKI File Server ...) • SAN (FC/FCoE), ISCSi, NAS(File) • VDI and Virtual App (Microsoft, VMware, Citrix) • Load Balancer/Application Delivery: HAproxy, Nginx, Barracuda, F5 • ElasticSearch & OpenSearch design & implementation • Critical HA Database clusters: PostgreSQL & MySQL • HA, Backup & Disaster Recovery planning & deployment (Veeam, VMware, Proxmox, Linux, AWS, Azure, Windows...etc) Network technologies • Switches: Cisco, HPE, Comware, Aruba OS, Arista, Alcatel, Juniper, Dell • Routers: Cisco, HPE, Comware, Alcatel, Juniper, Mikrotik • WiFi Mobility: Aruba OS & Central, Cisco, Meraki, Ubiquity, Mikrotik • MPLS L2/L3 VPN, MP-BGP, VPLS, SDWAN • BGP, OSPF, IS-IS, EIGRP routing protocols • FRR, VyOS, Bird • VLAN, QinQ, VXLAN, EVPN L2 scalable overlay networks • ACL, PBR, NAT, QoS, NAS; large-scale DHCP/DNS • IGMP L2 and PIM L3 multicast • Secure WiFi planning: controller managed & cloud-managed • NMS, EMS, FCPAS and OSS/BSS systems - LibreNMS, Zabbix, Nagios, Cacti Some of the most notable certifications I hold are: • CISSP - ISC2 • HPE Master Accredited Solution Expert - Network Solutions • HPE Accredited Solutions Expert - Network Architect • SUSE Cert. Linux Admin.: SLES In addition to technical skills, I deliver proven business operations experience for: • Business development planning and acquiring the correct technology • Project Management • Team building and management • RFP preparation Proposal preparation (technical/commercial) • Pre-sales & Sales Management • Business development, planning, and acquiring the correct technology • Project Management • Team building and management • RFP preparation Proposal preparation (technical/commercial) • Pre-sales & Sales Management • Business partnership establishment and management with leading companies such as HPE, Aruba, Fortinet, Cisco, IBM, Dell, Microsoft… and many more I am an avid learner, enabling me to swiftly adapt to new business environments and new project needs. Excellent communication and interpersonal skills combined with my long experience in team-leading & management enable me to collaborate strongly and work in global project teams with multiple members (in both leading or supporting roles).
    vsuc_fltilesrefresh_TrophyIcon Web Proxy Specialists
    Certified Information Systems Security Professional
    Firewall
    High Availability and Disaster Recovery
    NIST Cybersecurity Framework
    Network Design
    Network Architecture
    Solution Architecture
    Cloud Architecture
    Cloud Security
    Business Development
    System Administration
    Cybersecurity Management
    Information Security
    VPN
    Network Security
  • US$30 hourly

    • 5.0/5
    • (137 jobs)
    Looking for a penetration test? We'll give you access to our next-generation penetration testing solution. By combining the power of manual and automated penetration tests, we deliver the real-time insights companies need to remediate risk quickly. Through our Pentest as a Service (PTaaS) platform our clients receive comprehensive assessments. Our methodology follows the National Institute of Standards and Technology Special Publication (NIST SP​ 800-115), along with the latest techniques, tactics and tools used by hackers to compromise systems and applications. Providing real-time findings and unlimited retests to ensure gaps are closed is our key differentiator. Please check my Upwork work history and client feedbacks. I look forward to hearing from you!
    vsuc_fltilesrefresh_TrophyIcon Web Proxy Specialists
    Website Security
    OWASP
    Web Application Security
    Information Security Audit
    Certified Information Systems Security Professional
    Information Security
    Vulnerability Assessment
    Security Testing
    Network Security
    Penetration Testing
  • US$30 hourly

    • 4.8/5
    • (355 jobs)
    With a degree in Computer Engineering and a passion for writing, my experience spans across writing whitepapers, blogs, research reports, content for websites, thesis for academic submissions, sales pitch, business proposals and more. I am highly organized and schedule my time to get things accomplished accordingly. I am detail-oriented and an excellent researcher. I can be entrusted with big projects as I prefer to complete my work before deadlines giving you ample time to review my work and provide feedback. I take pride in my work
    vsuc_fltilesrefresh_TrophyIcon Web Proxy Specialists
    Amazon Web Services
    Artificial Intelligence
    Blockchain
    Network Security
    Web App Penetration Testing
    Network Penetration Testing
    Vulnerability Assessment
    Robotics
    Editing & Proofreading
    Website Copywriting
    ISO 27001
    Cloud Security
    Information Security
    Disaster Recovery
    Policy Writing
    Technical Writing
    PCI
    Project Risk Management
  • US$70 hourly

    • 5.0/5
    • (254 jobs)
    Proficient in Cisco , Mikrotik , Ubiqity gear etc, I offer my 10 years experience to design, implement and troubleshoot complex networks. I am a self-motivated professional with strong work ethic and productive self-starter. Participated in multiple projects, contributing in large teams, effectively co-working with other professionals,which strong team-player skills.
    vsuc_fltilesrefresh_TrophyIcon Web Proxy Specialists
    Firewall
    Ubiquiti
    SSL
    VPN
    Amazon EC2
    Network Security
    MikroTik RouterOS
    Virtualization
    Azure DevOps
    Cisco Meraki
    Cisco ASA
    Wireless Network Implementation
    VMware ESX Server
    AWS Systems Manager
    Amazon Web Services
  • US$75 hourly

    • 5.0/5
    • (215 jobs)
    ✅ Top Rated Plus Expert ✅ 3000+ Hours ✅ Professional Penetration Tester Cybersecurity researcher acknowledged by U.S Department of Defense (among other notable companies like AT&T, Semrush, Smule etc) for disclosing a number of vulnerabilities on DoDs systems via Hackerone bug bounty platform. For deliverables, professional reports are created, that will outline every vulnerability found, proofs-of-concept, and solutions on how to fix the discovered vulnerabilities. Each report not only meets but exceeds requirements for compliance auditors. Core competency is performing black and gray box testing on live web applications/networks or lab environments. Familiar with all common attack vectors and mitigation techniques, as well as finding unknown to public exploits known as 0days in web applications. Even though most of the work is confidential sample vulnerability report can be provided. Service Description 1)Web Application Penetration Testing based on OWASP TOP 10 2)Network Penetration Testing 3)Security Hardening Pentesting tools: BurpSuite Professional, OpenVAS, Nmap, Metasploit, Mimikatz, Impacket python framework
    vsuc_fltilesrefresh_TrophyIcon Web Proxy Specialists
    Web Application Security
    JavaScript
    Reverse Engineering
    Black Box Testing
    Ethical Hacking
    Web App Penetration Testing
    Network Penetration Testing
    Internet Security
    Security Testing
    Network Security
    Penetration Testing
    Vulnerability Assessment
  • US$90 hourly

    • 5.0/5
    • (8 jobs)
    Experienced technology leader and cyber security expert. Experience building security programs from the ground up for large organizations, conducting security audits, technical policy writing, and gap analysis. I am efficient, driven, and highly capable in all areas of cybersecurity. I hold both a Masters degree (MBA) as well as a Bachelor of Science in Business, IT Management. Additionally, I have received certifications which include: CISSP, CISA, CISM, GSLC, CCNA, CCNA-S, and certifications from Microsoft and CompTIA.
    vsuc_fltilesrefresh_TrophyIcon Web Proxy Specialists
    Firewall
    Technical Writing
    IT Consultation
    System Configuration
    Troubleshooting
    System Administration
    Information Security
    Security Engineering
    System Security
    IT Management
    IT Compliance Audit
    Network Engineering
    Network Security
  • US$100 hourly

    • 5.0/5
    • (41 jobs)
    Skills/Experience/Interests - ConnectWise Manage and Automate administration - Designing network device monitoring solutions using existing third party solutions - LabTech scripting for mass software deployment and device configuration changes - Windows system administration of small/medium/large enterprise networks - Routinely wrote LabTech/Automate scripts to deploy software to hundreds of machines where group policy objects were not practical - Thoroughly documented managed services provider processes allowing them to improve the efficiency in their on-boarding of new employees and clients alike - Windows server migrations/upgrades with minimal down time due to proper planning and execution of project - Office 365 migrations, implementations, and administration - Designed, sold, and implemented VMware high availability solutions - Security control implementation in support of HIPAA privacy rules - SonicWall firewall implementation and configuration - VLAN implementation
    vsuc_fltilesrefresh_TrophyIcon Web Proxy Specialists
    Network Engineering
    Network Monitoring
    Technical Documentation
    Software Configuration Management
    ConnectWise Automate
    Network Security
    Windows Administration
    Network Design
    Managed Services
    Windows Server
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