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  • $95 hourly
    A result-driven Senior Network Professional with over 15 years' experience in Routing, Switching, Security and Network Design for corporate and enterprise networks.
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    Computer Network
    Virtual LAN
    Amazon Web Services
    Cisco Meraki
    Network Equipment
    Ubiquiti
    Network Design
    Network Engineering
    Palo Alto Firewalls
    Cisco Router
    Fortinet
    Mikrotik RouterBOARD
    VPN
    Cisco ASA
  • $35 hourly
    My skills cover such areas as TCP/IP networking, FreeBSD/Linux and MS Windows servers administration and support, virtualization and accompanying technologies. In my latest projects I used Mikrotik and OpenWRT solutions to build several IPTV distribution networks, local networks for offices and their inerconnection via various types of VPN. Earlier experiences include projects built on networking equipment of famous and not-so vendors, server installation and support, different kinds of scripting and configuring many sophisticated systems so as to fit them for a designated task.
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    Computer Network
    OpenWrt
    OpenVPN
    MikroTik RouterOS
    Linux System Administration
    Linux
    Network Equipment
    Network Engineering
    VPN
    SSL
  • $130 hourly
    I'm a network and security engineer with over 30 years of experience in LAN/WAN network design, implementation, and maintenance. I hold a Cisco CCNP in route and switch, a CCDP for network design, and a PCNSE for Palo Alto Networks. In terms of gear, I've worked with just about everything out there. For Cisco, I worked with everything from the smallest to the largest of Cisco routers, Cisco Nexus switches, and Catalyst switches, including data center Cisco Nexus 7k and 9k switches. I've also worked extensively with the ASA and Palo Alto firewalls, writing and editing security rules, configuring remote access and site-to-site VPNs, etc. Extensive layer 2 (MST, PVST, RPVST, etc) and layer 3 routing (static, RIPv2, OSPF, EIGRP, and BGP). On top of the network engineering and network security specializations, I also have extensive knowledge of VMWare, VoIP systems (FreePBX, 3CX, CUCM, etc), SIP communication, and even 3D printing. I pride myself on my dependability and ability to work well with others. I'm well versed in remote work and look forward to working with you.
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    Cisco Certified Network Associate
    Cisco Router
    Network Design
    Virtual LAN
    VoIP
    Wireless Communication
    Ubiquiti
    Cisco Certified Network Professional
    Palo Alto Firewalls
    Security Engineering
    Computer Network
    VMWare
    Network Engineering
    Cisco ASA
    VPN
  • $70 hourly
    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.
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    Grok Framework
    Network Security
    Grafana
    Kibana
    Logstash
    Elasticsearch
    Magento
    Apache Lucene
    PHP
    Full-Text Search
    Sphinx
    Apache Solr
    MySQL
  • $150 hourly
    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 *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
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    Internet of Things
    Apache CloudStack
    Linux System Administration
    OpenVPN
    Computer Network
    Private Cloud
    Kernel-based Virtual Machine
    System Administration
    Ubuntu
    Network Security
    Linux
    Internet Protocol Security
    Network Engineering
    VPN
  • $111 hourly
    I specialize in Cybersecurity, threat mitigation (hacking cleanup and repair) and system administration on a enterprise scale, as well as full stack development. Complete, integrated and reliable solutions to the most challenging and unique business IT needs, no matter the complexity or difficulty. Fluent in PHP, HTML, JavaScript, Node, and several other programming languages. Experienced Network architect Cybersecurity preventative monitoring and protection, threat detection, and response Cloud Infrastructure management, consulting, and deployment Web & Database migration, management and repair I am your complete IT solutions provider, with over 5+ years of experience!
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    Security Assessment & Testing
    System Administration
    Vulnerability Assessment
    Security Engineering
    Cloud Security
    Malware Removal
    Cloud Management
    Cloud Architecture
    Security Infrastructure
    IT Consultation
    Information Security
    System Hardening
    DevOps
    PHP
    WordPress
  • $40 hourly
    I am a Dynamic, Dedicated, Passionate and Quickly Adaptable Freelancer with Technology along with ✅100% JSS ✅ 60%+ Long-Term Clients ✅ 80%+ Clients Recommendation ✅ 65+ 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
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    SonicWall
    PfSense
    System Administration
    VoIP PBX
    Sophos Sophos UTM
    Security Management
    Wireless LAN Controller
    Palo Alto Firewalls
    Security Infrastructure
    FortiGate Firewall
    Network Administration
    Fortinet
    Network Security
    VPN
  • $150 hourly
    I have over 20+ years 🏅 of experience in Cloud, System, Network, and Security Administration. My primary focus is on first understanding business objectives and then providing technical solutions. Communication and customer satisfaction are my top priority with every project. 👈👈👈 You are contracting someone who is an expert in multiple areas. Many projects start with an idea of what the problem is, only to find out it is something else. You won't have to go find another expert in that area to get the job done. 🏆🏆🏆 🌟 I have worked with clients of all sizes and all industries 🌟 ✔ MSPs ✔ Government ✔ Insurance ✔ Education ✔ Dallas Cowboys Football Stadium 🌟 Here are my core competencies 🌟 ✔ Server Administration: Windows and Linux ✔ Virtualization: VMware, Hyper-V, and Proxmox ✔ Network Administration: Switches, Routers, Load Balancers, and Wireless ✔ Cloud Administration: AWS, Azure, Vultr, OVHCloud, and Hetzner ✔ Cloud Productivity: Google Workspace and Microsoft 365 ✔ Firewall Administration: FortiNet/FortiGate, Cisco, Juniper, pfSense, Ubiquiti, Sonicwall, etc. ✔ Security Administration: Firewalls, Site-to-Site VPN, Remote Access VPN, Multifactor Authentication, and Endpoint Protection
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    Windows Administration
    Data Migration
    VMware Administration
    DNS
    Office 365
    Backup & Migration
    Cloud Security
    Google Workspace Administration
    Email Security
    Acronis
    Cloud Migration
    Network Administration
    SSL
    VPN
  • $70 hourly
    Cyber Security Professional with 5+ years of experience and a proven knowledge of firewalls, network setup/installation, and troubleshooting. I am extremely proficient in Fortinet Products and work with them on a daily basis. I have provided support for small, medium and large business environments.
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    System Monitoring
    FortiGate Firewall
    Troubleshooting
    Network Engineering
    Fortinet
    Network Security
  • $50 hourly
    Expert in Routing, Switching, and Firewalls, earned CCNA, CCNP, and CCIE Cisco Certs, proven expertise in Pfsense, Cisco devices & firewalls. Can assist in, setting up & troubleshooting, the Pfsense openvpn server using remote access or site-to-site mode, I can help in adblocking with Pfsense, port forwarding, virtual server, etc. I can help set up Pfsense on AWS or a compatible Cloud provider. Using Pfsense I can configure, Web Traffic filtering, torrent blocking, Quality of Service for VOIP, and user-specific bandwidth allocation by using Pfsense limiters and shapers.
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    OpenWrt
    Cisco
    MikroTik
    PfSense
    Proxmox VE
    Amazon EC2
    VoIP
    Network Administration
    Network Security
    Microsoft Hyper-V Server
    VPN
    OpenVPN
    Linux
    Amazon Web Services
  • $55 hourly
    There is some feedback: - Pavel was fantastic! My project hit a snag and I needed an FTP server configured quickly. When I couldn't complete the task myself, I asked for help. Pavel jumped in immediately and had me fixed in no time and friendly answered all my questions. This guy is a real problem solver! - Very smart when it comes to Linux systems, was able to help with our issue. - Very skilled and professional expert who solved all additional and unexpected problems with patience. He overdelivered and I can highly recommend working with him! - The problem was solved quickly and efficiently. - Pavel did a great job tracing the problem and solving it - Pleasure to work with. Skilled system administrator and network engineer with 18 years of hands-on experience. Know how to organise network in one office or in several offices connected via vpn. Unix system administrator, with a lot of experience in Linux and BSD distributions.. I have got working experience with: DNS; DHCP; LAMP-LEMP; FTP; SMTP; SNMP; ACL, firewalls and NAT; I have experience with cloud services (AWS, GCE, Vultr, DigitalOcean) and virtual infrastructure (vSphere, Hyper-V, Proxmox); I have got working experience with Monitoring (Zabbix); VoIP/IP telephony (Asterisk,FreePBX).
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    Asterisk
    DNSsec
    WordPress
    Linux System Administration
    Apache Administration
    MySQL
    LAN Administration
    Session Initiation Protocol
    Squid
    Web Hosting
    Network Engineering
    VMware vSphere
    NGINX
  • $40 hourly
    My working practice is 10 years in a local ISP meganet.md, it's about 2000 home customers and 500 small companies. Based on Gpon equipment, including wireless and ethernet networks on Mikrotik, Cisco, PFsense, Fortigate, and Ubiquiti. My training/certifications: MikroTik MTCNA(network associate), MTCRE(routing engineer), MTCEWE(enterprise Wireless engineer), MTCTC(traffic control) certificates. UNS (Unifi network specialist) UEWA (Ubiquiti Enterprise Wireless Admin) Also, I work with RIPE for BGP database Integration, and also have a certificate from RIPE for that. I can be useful with network administration, configuration, network design, and architecture. Solve any network problems. Create an automatic monitoring system for your network, which logs and messages for all events. I set up an Asterisk server based on Elastix. IPTV service based on Multicast/unicast IPTV stream and middleware stalker. I manage ESXi VM stations with virtual machines. I know protocols: BGP, OSPF, VLAN, IPoE, PPP, PPTP, L2TP, DHCP, DNS, NTP, SMTP, SNMP, STP, RSTP, SIP, SSH, Telnet, traceroute, ping, FTP, TFTP, HTTP, HTTPS, POP3, Imap, NV2, Nstreme, WiFi, CAPsMAN, CAP, 802.11a/b/g/n/ac/ax/ad, mesh, hotspot, Access Lists, DFS, WPS, static routes, PIM, IGMP, IGMP proxy, IPv4, IPv6, ICMP, TCP, UDP, HLS, RTP, and more else.
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    Multiprotocol BGP
    Ingress Filtering
    Mikrotik RouterBOARD
    OSPF
    MikroTik RouterOS
    Fiber Optics
    PfSense
    Fortinet
    MikroTik
    Zabbix
    Ubiquiti
    VPN
    Network Design
  • $35 hourly
    CCSE, ITILv3 , Fortinet NSE4 CCNP R&S,CCNP Security. In the last 12 years, I have been working on various network products and have gained comprehensive experience in Cisco, Fortinet, Sonicwall, Checkpoint, HP, F5, Radware technologies. I have been involved in the design, configuration, and troubleshooting of Network products. Firewalls: Cisco ASA 5500 Series Cisco ASA 5500-X Series Cisco Firepower 2100Series Cisco Firepower 4100Series Fortigate 400F Fortigate 200F Fortigate 100F Checkpoint 5800 Appliance Checkpoint 12400 Appliances Checkpoint 12600 Appliances Sonicwall TZ Series Sonicwall NSA Series Pfsense ZTNA FortiGate ZTNA Load Balancers: F5 BIG-IP Application Delivery Controllers Radware Application Delivery Controllers Array Application Delivery Controllers Fortinet Application Delivery Controllers. Routers: Cisco, Arista, HP Switches: Cisco Catalyst Cisco Nexus N5K & N9K HP Switches Wireless Controller & Access Points: Cisco WLC, Aruba WLC Unify WLC Meraki
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    Cisco Router
    SonicWall
    Cisco Firepower Threat Defense
    FortiGate Firewall
    Zero Trust Architecture
    Web Proxy
    Cisco ASA
    Cisco Certified Network Professional
    Load Balancing
    Check Point
    Network Security
    Cisco Meraki
    VPN
  • $50 hourly
    ✅ Top Rated Plus Pentester ✅ 5+ Years Pentesting ✅ 70+ 5-star Reviews ✅Supporting All Time Zones ✅ Unlimited Revisions ✅ Top 1% Talent Are you looking for a professional ethical hacker to conduct a security audit or penetration test for your company? Look no further! With years of experience and a deep understanding of modern technology stacks and their vulnerabilities, I am well-equipped to provide high-quality penetration testing services to a wide range of clients. 🎯 Why Hire Me for Your Digital Security Needs? 🔒 Extensive Experience I have conducted and led hundreds of security audits, penetration tests, and red team engagements for a variety of companies, giving me a wealth of hands-on experience in the field. 🔍 Comprehensive Cybersecurity Services My services include comprehensive penetration testing, detailed reporting, expert remediation advice, asset discovery and mapping, follow-up checkups, OSINT reconnaissance, consultations and briefings, and post-engagement debriefings. 🔑 Customized Security Solutions I provide personalized, tailored services to each of my clients, taking the time to understand their unique needs and requirements. 🛡️ Professionalism and Expertise I am an ethical hacker and have a deep understanding of modern technology stacks and their vulnerabilities. I use professional software and tools, as well as personal scripts and techniques, to ensure the accuracy and thoroughness of my work. 📞 Clear communication I am available for meetings and calls to discuss the scope of work, the focus of the engagement, and any other questions or concerns you may have. I also provide post-engagement debriefings to ensure that you understand the results of the engagement and any potential security risks. Ready to secure your business? Let's fortify your cybersecurity defenses together. Contact me today to schedule a consultation and discover how my services can safeguard your business from evolving cyber threats. Looking forward to working with you🙂
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    Network Security
    Web App Penetration Testing
    Security Infrastructure
    Penetration Testing
    Web Testing
    Website Security
    Application Security
    Network Penetration Testing
    Information Security
    Ethical Hacking
    Security Testing
    Security Assessment & Testing
    Security Analysis
    Database Security
    Web Application Security
  • $125 hourly
    Hello! I'm Tristan Curtis, a Top Rated IT Professional / Software Engineer with a passion for helping people with their technical needs. Backed with a degree in Information and Network Technology, accompanied by multiple certifications, and strengthened by extensive hands-on experience, I am well-equipped to tackle virtually any challenge you throw my way! Understanding the need for prompt assistance, I strive to be available within a moments notice, day or night. I offer a wide array of services including, but not limited to Web Application Development ▪️ Backend: PHP, Laravel ▪️ Frontend: Vue.js, JavaScript, jQuery, HTML, CSS, Sass, Bootstrap ▪️ Databases: MySQL, SQL Server, MariaDB, PostgreSQL ▪️ Specializes in: architecting complex web applications from scratch based on a provided design Web Server Administration ▪️ Troubleshooting issues with Nginx, Apache and WHM/cPanel ▪️ Fine-tuning PHP FPM for optimal scalability ▪️ Installing SSL certificates and addressing renewal issues with LetsEncrypt / Certbot ▪️ Migrating websites from one hosting company to another Network Administration ▪️ Proficient in managing networks powered by the following vendors: UniFi, pfSense, MikroTik, Cisco, SonicWall, Fortinet ▪️ Expertise in deploying and troubleshooting wireless connectivity ▪️ Strong knowledge of VPN connectivity for remote access and site-to-site connections ▪️ Experience developing custom splash pages / captive portals to authorize wireless connections Desktop Administration ▪️ Experience with the following operating systems: Windows, Mac OS, Ubuntu and various other Linux distros ▪️ Virtual desktop administration utilizing VMware Horizon Database Administration ▪️ Experience with: MySQL, MS SQL Server, MariaDB and PostgreSQL ▪️ Familiarity with: Google Cloud SQL and AWS RDS Virtual Infrastructure Administration ▪️ Proficient in VMware ESXI/VMware vCenter and Hyper-V Email Administration ▪️ Setting up SPF, DKIM and DMARC for enhanced email security ▪️ Troubleshooting email deliverability issues ▪️ Seamless migration of email from one platform to another ▪️ Well versed in Google Workspace and Office 365
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    VMware Administration
    Data Migration
    Email Deliverability
    Web Hosting
    Twilio API
    Domain Migration
    MySQL
    Network Administration
    Laravel
    SSL
    PHP
    Ubiquiti
    DNS
    System Administration
  • $10 hourly
    * I was covid positive and couldn't reply to messages. Because of that I have a one 3.7 review. I have 8+ years s experience as a Senior Systems Engineer. My Technical Skills: Experience in implementing, configuring, and administering Server and Network (Wired/Wireless) hardware, Microsoft Windows (Server, Desktop), Linux (CentOS, Ubuntu, Oracle Linux, RedHat) operating systems and services and BASH, Powershell Scripting. Hands-on experience in Cisco (Nexus,IOS), Palo Alto, Checkpoint and Juniper, Network Devices and Firewalls. Hands-on experience in virtualization and cloud technologies including Hyper-V, VMware VSphere, AWS, Oracle Cloud and Scaleway. Hands-on experience in administering Avast Business, McAfee EPO, Kaspersky, Desktop Central and Nexpose Vulnerability Assessment tool.
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    Ansible
    Network Design
    Server
    Network Security
    Cisco Certified Network Associate
    Web Hosting
    Network Administration
    Email Security
    VMWare
    Amazon Web Services
    System Administration
    DNS
    Windows Server
  • $20 hourly
    I am Working with Cyberoam/Sophos products. Having 5+ Yrs of hand on Exp. for Cyberoam/Sophos product. Certified Sophos Support Engineer, Cyberoam Certified Engineer as well as working as a Customer support representative for the E-commerce Shopify dropshipping website. 1. Working with Routing, Creating policy Configuring IPSec VPN, SSL VPN, PPTP VPN, L2TP VPN. 2. IPS policy. 3. Spam filter 4. Authentication service on Cyberoam. 5. Depth knowledge in VPN technology. Trained on AWS with skill of create and maintain instances, Assign a role to user, VPC, DNS, Cloudwatch, etc. Troubleshooting, installing, configuring software  System Back up & Recovery Using Symantec Ghost  Server Back up & Recovery.  DNS, DHCP & Active Directory Configuration.  OU & GPO Creation.  Firewall Configuration & Creating Policy  Printer installation  Remote Support Feel free to contact me on any related project. It would be my pleasure to do work with you. thank you so much
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    Technical Support
    Microsoft Office
    Shopify
    Sophos Sophos UTM
    Customer Service
    Customer Support
    Network Monitoring
    Network Security
    VPN
  • $50 hourly
    Seasoned Information Security and IT Engineer with over 20 years of extensive hands-on experience. Proficient in all aspects in Cyber- Security, Incident Response, Vulnerability Management, Vendor Risk management, and network defense. Strong analytical problemsolving skills with solutions-driven focus that excels at leading crossfunctional teams. Passionate about new technology and ready to take up new challenges.
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    Information Technology
    System Security
    Information Security
    Cybersecurity Management
  • $35 hourly
    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. ___________________________________________________________ Professional Load and Stress Testing if you are interested for your application ___________________________________________________________ Migration of infrastructure among cloud solutions ( AWS , Azure , Office 365, Google cloud). Many of you struggle to shift your infrastructure from On-premise to Azure , AWS ( amazon) or vice versa , I can do it in a short time frame with zero downtime if there is a possibility. And offer you support as long as you and your team are self reliable on new infrastructure. Regarding Windows Server Services ,I am focused on Microsoft enterprise-driven solutions: Windows Server( Active directory,IIS ,DNS, DHCP ,WDS , Hyper-V, Backup, Exchange, RPD farming) Expert troubleshoot Server Hardening and securing Windows and Linux servers. Monitoring software setup ( PRTG Paesler ,Nagious , Zabbix) Keen on Deadlines, fair on doing business together always ready to negotiate price
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    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
  • $150 hourly
    I am the CEO & founder of BetterCyber Consulting, a cybersecurity consulting, technology, and managed services company helping startups and micro, small, and mid-sized companies create secure operating environments to increase business opportunities. I am also part of Upwork's Expert-Vetted Talent program. My priority is to create cost-effective, business-focused, and risk-driven cybersecurity solutions to help my clients secure their information assets against cyber threats. Before leaving corporate America, I held several cybersecurity positions, from operations to strategy and architecture, in Fortune 100 companies, such as PayPal Holdings, Inc. and Marathon Petroleum Corporation. I hold a bachelor's degree in Telecommunications Engineering from the Airforce University in Argentina, a master's degree in Information Security Engineering from the SANS Technology Institute, and many cybersecurity certifications, including CISSP (Certified Information Systems Security Professional) and GSE (GIAC Security Expert).
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    WordPress Malware Removal
    Malware Removal
    CMMC
    Risk Assessment
    Cloud Security
    Internet Security
    Information Security Audit
    Information Security Awareness
    Security Engineering
    Security Analysis
    Email Security
    Penetration Testing
    Information Security
    Security Policies & Procedures Documentation
    Cybersecurity Management
  • $70 hourly
    My extensive experience in Cloud,Database and CyberSecurity over the past years include the following: 1). CISSP; Information security, Cybersecurity,Compliance 2) Information Security/Vulnerability Testing 3). Oracle Performance Tuning 4). EBS R12 applications 5). Oracle Database technologies, SQL tuning,flashback, RMAN, RAC and others 6). Database System Security Scans and Vulnerability testing 7). Oracle Certified Professional 10g and 11g, 12c 9). Oracle Certified Database Security Implementation 10) AWS Solutions/Administration/EC2/S3/Cloud 11). HiTRust Aware/PCI DSS Aware 12). Microsoft Certified: Azure Fundamentals Please let me know if you have any questions.
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    PCI
    Data Protection
    Oracle Database Administration
    Linux System Administration
    Security Operation Center
    Security Engineering
    Oracle Database
    Information Security Governance
    Certified Information Security Manager
    PCI DSS
    Security Infrastructure
    Database Administration
    Network Penetration Testing
    Oracle Performance Tuning
    Information Security
  • $30 hourly
    Cloud Solution Expert with five years of experience designing and developing enterprise-level solutions using the latest technologies, including Azure, AWS, GCP, Terraform, Ansible, DevOps, Machine Learning, AI, C#, ASP.NET MVC, Angular, SQL Server, Power BI, and Oracle. I have designed and executed multiple cloud and colo migrations. I have also worked on Azure search and Azure ML. I have extensive knowledge of cloud security and have performed comprehensive assessments and implementation of cloud environments. I have implemented Palo Alto's next-generation firewalls for the azure environment in enterprise solutions. I have worked on projects for various clients on cloud technologies, including Schlumberger, TATA, JCB, McCann, National Express, Crown Paints, BFS, and Future Generali.
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    Microsoft Azure
    C#
    Cloud Computing
    Ansible
    Cloud Security
    Internet Security
    Kubernetes
    DevOps
    GitHub
    Azure App Service
    Microsoft SQL Server
    Cloud Architecture
    Azure IoT HuB
    Terraform
    Docker
    Machine Learning
  • $70 hourly
    6+ years as DevOps 8+ years as Virtualization / Cluster Expert 12+ years as Linux/BSD administrator 15+ years as Network Engineer 16+ years as Systems Administrator I can help you with: ➢ Virtualization: KVM, Xen, OpenVZ, LXC, LXD, FreeBSD Jail, Proxmox, VDSmanager, Docker ➢ Management: Proxmox, OpenNebula, OpenStack, oVirt ➢ Storage: CEPH, LizardFS, DRBD, SCSI, ISCSI, SAN, NAS, LUNS, ZFS ➢ Orchestration: Puppet, Foreman, Ansible, Chef, Salt ➢ High availability: Corosync, Pacemaker, MySQL cluster, Multipathing, Bonding ➢ Monitoring: Zabbix, Monit, Cacti, ELK(Elasticsearch+Logstash+Kibana) ➢ Backup & Archiving: Bacula, rsync
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    DevOps
    Linux System Administration
    Proxmox VE
    Unix Shell
    Storage Area Network
    Cloud Computing
    Network Administration
    Docker
    Zabbix
    Virtualization
  • $12 hourly
    I am VoIP/VICIDIAL/VICIBOX/Asterisk/FreePBX/GoAutodial/vTiger/3CX developer and solution provider with past 16+ years of rich experience. I have expertise in them, and so i am confident to serve you for the same. I have rich telecom, web and custom software development and support experience. I'm interested in your job & I guarantee doing it in short time. I didn’t ask for an upfront as I'm interested in building long term relationships based on trust because I'm confident with my quality of work.
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    FreePBX
    CRM Software
    Call Center Management
    VICIDIAL
    Vtiger
    Web Design
    Asterisk
    BPO Call Center
    WebRTC
    VoIP
    Search Engine Optimization
    WordPress
    Apache HTTP Server
    PHP
  • $20 hourly
    Based on knowledge and experience gained over the last 14 years as Technical Support / IT Support, I have developed a great expertise in many fields such as: -Windows Server2008R2/2012,2016,2019/2022 -Windows XP/Vista/7/8, 10, 11 - Microsoft application support. -Synology Administrator - Microsoft Cloud Services. -Outlook 2010/2013,2016/2019 -Kaseya administration,Patch management,Scripting,Backup applications, Patch management, Antivirus management, Advanced NOC and Kaseya (Customization, Development, Monitoring, Scripting, Patching, Backups, Reporting, Migration, Integrations and Upgrade versions) - CW Automate administration,Backup applications, Patch management, Antivirus management, Advanced NOC and Labtech/Automate (Customization, Development, Monitoring, Scripting, Patching, -Backups, Reporting, Migration, Integrations and Upgrade versions) - Cloud Technology:- Azure, AWS. -Office 365 administration -On-Premise Mailboxes migration to Office 365 -Cloud PST migration -Virtualization environments: Hyper-V, ESXi - Citrix Cloud -VMware Workstation. -VPN Configuration. -Antivirus server: Symantec Endpoint Protection, ESET NOD32 administration, Webroot, CrowdStrike, Kaspersky,Bitdefender,Sentinel antivirus. -Backup: Veeam,Shadow Protect,Symantec Backup Exec, Symantec Netbackup, Acronis, Altaro, Datto, Azure Backup. -Configure Synology NAS buffalo box, -Help Desk support. -Server Support. -Workstation Network support. -Hyper-V server Synology cloud backup
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    Windows Server
    Office 365
    Microsoft Azure
    Data Backup
    Technical Support
    VMware ESX Server
    Backup Administration
    ConnectWise Automate
    Veeam
    Network Administration
    Microsoft Active Directory
    Server Virtualization
    Helpdesk
  • $150 hourly
    Sr. Systems/Network Engineer with over 17 years of experience in Systems Engineering and Operations, Installations and Implementations, Technical Support/Troubleshooting, & Client Servicing. Has extensive experience in System & Network Administration, Design and Implementation, and providing end-to-end solutions. Adept in analyzing Information System needs, evaluating end-user requirements, custom designing solutions, and troubleshooting for complex information systems management. Knowledgeable and qualified in installing, configuring, and maintaining communication networks. Proficient in monitoring network performance, completing backups, and improving quality and efficiency of network infrastructures. Extensive experience in enterprise scale VMware, Openstack, AWS and Azure cloud environments with expertise in VMware vSphere based Virtual Infrastructures.
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    Information Security Consultation
    SonicWall
    Security Engineering
    Server & Virtualization Software
    Server Operating System
    Windows Administration
    Backup & Migration
    Wireless Network Implementation
    AWS Systems Manager
    Computer Network
    Email Support
    Microsoft Azure
    Systems Engineering
    Network Engineering
  • $45 hourly
    Let's discuss how I can enhance your security posture. Certifications: 4 X NSE 7 Network Security Architect AWS Solutions Architect Associate (SAA-C03) NSE 4 Network Security Professional Cisco Certified Network Associate (CCNA) Cisco IOT Certified Skills: Secure Enterprise Network Advanced SDWAN Configuration Fortinet SDWAN and FortiManager Templates ZTNA Public Cloud Security Directory and Authentication Systems SIEM technology Advanced Technical Support and Troubleshooting
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    Amazon EC2
    Amazon Web Services
    Documentation
    Cisco Router
    Enterprise Architecture
    User Authentication
    Network Monitoring
    Technical Support
    MikroTik
    Network Design
    Troubleshooting
    Network Security
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