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Rating is 4.9 out of 5.
4.9/5
based on 152 client reviews
  • $110 hourly
    I have 21 years of general linux experience with apache, php, bash, python and various other scripting/programming languages. I have 7 years of expert level experience using memcache/redis and nginx application accelerator proxies based on Redhat and Ubuntu with php-fpm, apache, nodejs, java, .net and other application servers. These include zend, wordpress, drupal and several other web software suites In one of my previous projects I was been able to allow for up to 40,000 simultaneous user sessions across twenty apache application servers utilizing nginx reverse proxies, behind several F5 load balancers. Initial hardware was able to accommodate up to 4,000 users. Since the application was not stateless nor was it designed for data segregation between private/public data the nginx rulesets were very complex requiring rewrites, header injections/strips and even body regex find/replaces. I also have expert level experience with large scale wordpress clusters from the file service and db aspects. I have experience with appdynamics, nagios and large scale ELK logging. I have experience with AWS, especially linux EC2 containers, elastic beanstalk and cloudformation. I am highly skilled in troubleshooting complex multi-tier interaction issues using system logs, stack traces and wireshark packet traces.
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    HAProxy
    Red Hat Administration
    Linux System Administration
    Memcached
    Apache Nutch
    Ubuntu
    Apache CouchDB
    Redis
    NGINX
    PHP
  • $40 hourly
    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.
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    UniFi
    Docker
    Zabbix
    Ubiquiti
    Cisco
    MikroTik
    Proxmox VE
    Amazon EC2
    Network Security
    Firewall
    VPN
    OpenVPN
    Linux
    Amazon Web Services
  • $60 hourly
    I'm a Senior Network Consultant with more than 14 years of Computer Networking, Servers and Virtualization experience in small, medium and large networks. I've built many ISP/WISP networks around the world (Los Angeles, Oregon, Pennsylvania, Canada, Cyprus, Somalia, Mexico etc) and gave network consultancy to other ISP, Bank, Government, Enterprises in South Africa, Denmark, Switzerland, Australia, England etc. I am Cisco Network Consultant and Official Mikrotik Consultant, certifications I hold: Cisco: CCNP R&S Cisco: CCNP Enterprise Cisco: CCNA Security Cisco: CCNA Collaboration MikroTik: MTCINE MikroTik: MTCNA MikroTik: MTCRE VMware: VTSP 2016 VMware: VMware vSphere 6 Microsoft: MCP Specialized in router&switches, wireless, security, access control, servers etc: MPLS (VRF & VPLS, TE), BGP, Network Design/Architecture for Service Provider/Enterprise, RIP, OSPF, PPPoE, VPN/tunnel (IPSec, EoIP, PPTP, SSTP, L2TP, OVPN, IPIP), Load Balancing with smooth Failover and bonding (up to 10 Uplinks) High availability, Advanced Scripting, PBR, Reachability check, Bandwidth Management, advanced QoS. Wireless Security, Bridging, STP, RSTP, WDS, Mesh CAPsMAN. IPv6. Dude system management, with OID, notifications etc. I've Master of Science degree in Computer Engineering, Polytechnic University of Tirana.
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    Network Planning
    Mikrotik RouterBOARD
    Albanian to English Translation
    MikroTik RouterOS
    Cisco ASA
    Cisco Certified Network Associate
    Cisco Router
    Firewall
    Network Engineering
    Virtual LAN
    Ubiquiti
    VPN
    MikroTik
  • $125 hourly
    Experienced Network Engineer. Everything from Routing, Switching, WiFi, Designing, Troubleshooting. I started my career owning an Internet Service Provider and have worked in IT networking my entire career. I'm looking to expand my services by contracting projects for clients remotely. Currently working in with many network technologies at an expert level. Recent 2020 projects in: Cisco, Ubiquiti, Cisco Meraki, Many VOIP solutions, etc.
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    Network Planning
    Computer Network
    Firewall
    Internet Protocol Security
    Cisco Router
    Network Administration
    DHCP
    Network Equipment
    Virtual LAN
    VoIP
    Ubiquiti
    Network Design
    Cisco Meraki
  • $50 hourly
    Embark on a digital journey led by a Network and Security Engineer with Cisco CCNP Enterprise and Security certifications. My proficiency extends beyond Cisco, showcasing excellence in Ubiquiti, Aruba, HPE, Fortigate, pfSense, Juniper, Palo Alto, and Mikrotik technologies. 🚀 Elevating Networks Beyond Limits With over 3 years of hands-on mastery, I specialize in designing, implementing, and delivering bespoke network solutions, creating a tapestry of successes that transcend expectations. My passion for security resonates in the melody of certifications—CCNP Enterprise, CCNP Security, and Fortinet NSE4—each note composed during a 3-year crescendo in the networking realm. Within the Cisco realm, my expertise unfolds as a troubleshooter, designer, implementer, and operator, showcasing a virtuosity in routing, switching, wireless, and VoIP technologies. 🌐 Specialties: • Proficiency in diverse VPN technologies: IPsec, SSL, L2TP, PPTP, OpenVPN • Mastery of routing technologies: RIP, OSPF, EIGRP, ISIS, BGP • Expertise in switching technologies: VLANs, STP, VTP, Etherchannel, HSRP. VRRP, GLBP • Design and implementation of medium to large-scale enterprise networks. • Troubleshooting malfunctions of network hardware and security systems. 🛠️ Hands-On Experience: • Cisco: ISR 1000, 4000, ASR 1000, Nexus 9200, 9300, 9500, SG- 300, SG-350, SG-500 ASA 5505, 5506-x Cisco Umbrella, Meraki, FMC, FTD, Duo, AMP for Networks • Palo Alto: PA-400 series, PA-1400 series • Fortigate: 40F, 60F, 80F, 100F. • Juniper: EX2300, EX3400, EX4300 • HPE: Procurve 2650 and 2910 • Aruba: 8325, 6200F • SonicWall 🏆 Distinguished Certifications 🏆 CCNP Enterprise: Mastering the art of enterprise networking. 🛡️ CCNP Security: Ensuring the shield of security stands unyielding. 🚀 Fortinet NSE4 v7.0: Commanding the fortresses of network security. 🕵️ CCNA CyberOps: Unraveling the mysteries of cyber operations. 🌐 CCNA: Pioneering the fundamentals of network excellence. 🤖 Juniper JCIA: Crafting pathways in the Juniper landscape. 🌐 Aruba Mobility (ACMA): Dancing through the spectrum of wireless mobility. 🔄 Aruba Switching (ACSA): Mastering the artistry of network switching. 🌐 Palo Alto PCNSA: Guarding the gateways with Palo Alto expertise. Let's sculpt your network masterpiece together. Ready to redefine connectivity?
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    Security Engineering
    Sophos Sophos UTM
    Firewall
    VPN
    Cisco
    Palo Alto Firewalls
    Cisco Certified Network Professional
    Cisco Certified Network Associate
    Network Engineering
    Ubiquiti
    Cisco Meraki
    Network Security
    Network Administration
    Fortinet
  • $125 hourly
    Thank you for visiting my profile. I have been in the Information Technology field since 1995 working with servers and end-user support. I am trained in Windows Server, Linux, Cisco, and Cyber Security. In the years I have been in the field I have picked up a lot of knowledge on many technologies. With that in mind, I am sure I can work with you to help you with whatever your project consists of. Please feel free to drop me a line so we can discuss your needs further and hopefully we can work together to build a long-lasting business relationship.
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    Windows Server
    Linux
    Linux System Administration
    Network Design
    Network Administration
    Educational Technology
    Database Administration
    OpenVPN
    Security Testing
    Network Monitoring
    Cybersecurity Tool
    Network Analysis
    Firewall
  • $30 hourly
    As a Senior Network Engineer, I plan, design, and engineer passive optical and copper networking projects for various clients. I have over eight years of experience in the information technology and services industry, working with different technologies and vendors, such as Mikrotik, Ubiquiti, Grandstream, Cisco and Ribbon Communications. I am skilled in TCP/IP, VPN, DHCP, routing protocols, NAT, VLAN, and other network concepts and protocols. I also hold multiple certifications, including Ribbon Communication Metro & DWDM certifications, Mikrotik Certified Network Associate, Grandstream Certified Specialist - UC Solution, and Certified System Installer for structural cabling. I am passionate about delivering high-quality network solutions that meet the clients' needs and expectations. - Ribbon Communication - Neptune IP/MPLS Solutions - Ribbon Communication - Apollo Optical Transport Systems - Mikrotik Certified Network Associate (MTCNA) - Grandstream Certified Specialist for UC Solutions - Certified System Installer for BKT Elektronik Poland with 5+ years of experience. - Experience with IP PBX technology.
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    Network Planning
    Computer Network
    MikroTik RouterOS
    Mikrotik RouterBOARD
    Network Administration
    MikroTik
    Virtual LAN
    Network Equipment
    Network Design
    Network Engineering
    VPN
    Ubiquiti
  • $50 hourly
    By profession I am an Information Security Consultant and my core skills include designing and implementing network security solutions. I can help in various network security and monitoring solutions like Sophos, Cyberoam, RSA SecurID, Kaspersky and Barracuda. My certifications include but are not limited to Sophos Certified Engineer, Sophos Certified Architect and a Sophos Certified Trainer. I have more than 5 years of hands-on experience working with Sophos solutions particularly with XG firewall and Sophos Central. I have done numerous fresh and ad-hoc projects on various networks and I am well aware of industry best practices related to network security.
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    Web Application Firewall
    Sophos Sophos UTM
    Firewall
    Network Security
  • $50 hourly
    I have been working on cloud computing, networking, firewall and security, Servers and Linux, etc for a while. I have worked for Garagefarm.net as a team lead of Data Center in past years for a period of 11 years. I have good technical knowledge from all the domains related to Data Center, Cloud Computing, Virtualization, Email automation systems, Servers, Load balancers, link aggregates, WAN optimizer, Firewall and security, etc. With me, you will always get better support and solution.
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    Proxmox VE
    Kubernetes
    Virtualization
    OpenStack
    Linux System Administration
    Private Cloud
    Amazon EC2
    DevOps
  • $45 hourly
    I'm network and VOIP engineer with 11 years of experience. Over time I've completed the following certificates: 1. CCNA 2. CCNA security 3. CCNA wireless 4. CCNP - Not certified yet 5. MTCNA 6. MTCRE 7. Linux Essentials 8. LPIC-1 9. Sophos UTM Engineer 10. dCAA 11. 3CX I have experience with the following vendors: Cisco MikroTIK Sophos UTM Fortinet Checkpoint HP Ubiquiti - Unifi Juniper Alied Telesis PfSense I can help you with: Router configuration WAN Failover VPNs - IPSec, L2TP, OpenVPN etc... Routing - Static, Dynamic including OSPF and BGP MPLS - L3VPN IPSec Firewall - Filter rules, mangle rules etc... FHRP VRF QoS Switch configuration Vlans FHRP Etherchannel Port security Voice Vlan Trunks Troubleshooting Wireless configuration Cisco WLC and LWAPs Ubiquity Unifi - AP, Switch, USG MikroTIK - I have probably configured 500+ MikroTIK devices VOIP 3CX PBX deployment on prem and in cloud Phone management SIP Trunk management DID management IVR Queues Ring Groups etc... Email security Sophos UTM email filter Spam Titan email filter DNS - SPF, DKIM, DMARC Reach out if you find this interesting and we can discuss the details about your project.
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    3CX
    Cisco Router
    Mikrotik RouterBOARD
    Cisco Certified Network Associate
    Sophos Sophos UTM
    Cisco Certified Network Professional
    Linux System Administration
    MikroTik RouterOS
    Network Administration
    MikroTik
    Network Design
    VoIP
    Ubiquiti
    VPN
  • $50 hourly
    AWS Solutions Architect with a profound knowledge in cyber security and networking. Helping you migrate, architect, and/or store your business or personal resources in the AWS cloud securely and efficiently!
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    Cloud Computing
    Amazon EC2
    Linux System Administration
    Firewall
    Network Administration
    Web Hosting
    Cloud Migration
    Cloud Security
    Network Design
    Cloud Architecture
    Technical Support
    Email Deliverability
    VPN
    DNS
    System Administration
  • $87 hourly
    Networking and system architect based in Zagreb, Croatia, an expert in Cisco, pfSense, Linux. A multi-platform expert: pfSense, Cisco advanced routing and switching, Ubiquiti networking, wireless networking, Software Defined Networking (SDN), SD-WAN, Linux networking, OpenvSwitch, virtualization, security, all at the hands of a single person.
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    Kernel-based Virtual Machine
    Linux System Administration
    Proxmox VE
    Software-Defined Networking
    Cisco Router
    Cisco Certified Network Associate
    Network Security
    Virtual LAN
    Network Engineering
  • $25 hourly
    I am a IT Analyst with 11 years of experience. My primary focus lies in working with Linux servers, and I possess proficient skills in Zabbix, Grafana, Bacula, and PFSense. Additionally, I excel in programming with Shell Script, PHP, and SQL. I am enthusiastic about further growth and eager to contribute to innovative projects in this field.
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    Proxmox VE
    Ubiquiti
    Amazon
    Bash
    Bacula
    Linux System Administration
    Microsoft Azure
    Google Cloud Platform
    PHP
    PostgreSQL
    MySQL
  • $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
    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
  • $78 hourly
    *****Jack Of All Trades, Master Of Networks***** - Top Rated Network and Cloud Engineer. - 300+ projects and 6000+ Upwork hours up to date. - Six figures in the past twelve months. - Full-Time Freelancer. - Half million earned on Upwork. Networking vendors I have worked with: * Cisco, Mikrotik, Fortigate, Ubiquiti, Vyatta, VyOS, pfSense, Sonicwall, Sophos XG, Watchguard, Brocade, Ruckus, HP, Huawei, HPE, Aruba, Arista, etc. Cloud Skills: Terraform (AWS, Azure, GCP) AWS - VPC, EC2, RAM, R53, LB, S3, IAM/SSO, various NGFWs, Terraform. Azure - AD, AADDS, S2S VPNs, VMs, LB, NGFWs, Azure Hub-Spoke, Terraform. GCP - Cloud Compute, Security, NGFWs, Terraform. Digital Ocean Vultr ...
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    AWS Application
    Fortinet
    Open Networking Operating System
    Cisco ASA
    Network Design
    Ubiquiti
    Cisco Router
    MikroTik RouterOS
    Brocade
    OpenVPN
    Sophos Sophos UTM
    Google Cloud Platform
    Microsoft Azure
  • $45 hourly
    Network & Security Specialist with 11+ years of hands-on experience in core networking and security. ✅ 99% JSS with positive feedback ✅ Top Rated Plus ✅ 70% Long-Term Clients ✅ 80+ Active and Completed Jobs. Worked as a Sr Specialist for many organizations and in multiple MSP environment. My in-depth core area of expertise is Enterprise Network Design, Implementation, Management, RCA Troubleshooting and Security Implementation & its enhancement. My proven expertise includes Planning and Deploying of Hybrid Cloud Infrastructure, SASE, ZTNA network with robust security architecture. I have successfully done multiple Network and Firewall Migration with proper planning and documentation. Have extensive skill on solving complex problems and consistently delivering effective solutions for my clients with the emerging technologies as cater to their needs. ::::::::::::::::::::::::::::::::::::::::::::::::::::::: SKILLS AND EXPERIENCES :::::::::::::::::::::::::::::::::::::::::::::::::::::: Firewall & VPN  ➤ Firewall Handled: Fortigate 80F,60E,400F,500E,2600F; FortiManager, FortiAnalyser., FortiAP, FortiSwitch Checkpoint Firewall -12000, 61000 (up to R80.40). MDS. Cisco Meraki MX; FTD - 2000, 4000; Cisco ASA-5515, 5520,5550,5506-x. PfSense; Opnsense ; Zenarmor; Unifi Firewall, Gateway & EdgeMax. Sophos Firewall - Desktop and Enterprise Models. SonicWall TZ, NSa Series Firewall.  Fortigate Firewall Policy definition, UTM profile, HA, ADVPN & SD-WAN configuration. FortiManager. FortiAnalyzer, Fortiage ZTNA & EMS, FortiSASE  Checkpoint Firewall Policy & Blade configuration, HA, Managing, Troubleshooting.  SonicWall Firewall Policy, UTM, SD-WAN configuration, HA, Managing, Troubleshooting.  Sophos Firewall Policy, UTM, SD-WAN configuration, HA, Managing, Troubleshooting.  CISCO Firewall Policy definition, VPN Technologies, Failover, etc  Cisco Meraki MX - Planning, deployment and Troubleshooting.  Pfsense, OPNsense, Sophos, Unifi Firewall Planning and deployment.  Firewall VPN - IPSec site to site, Remote access VPN- SSL/L2TP/PPTP. OpenVPN deployment. Cloud Technologies   AWS (Amazon Web Service) : VPC, Route53 , ELB, VPN and Security deployment. VPN On-Premises with BGP, VPC Peering and Transit Gateway.  Azure Virtual Network, VPN and Security deployment with BGP routing, Azure Firewall Configuration.  Cloud Virtual Firewall planning and deployment.  Cloud Firewall: Fortigate VM, FortiManager VM, FortiAnalyser VM ; Pfsense ; OpenVPN.  Cloudflare Domain & DNS Management,  Cloudflare Zero Trust & Tunnel.  Cisco Umbrella - Configuring Virtual Appliance, SIG, SSO & Securing Roaming Users.  Perimeter 81 - Configuring Gateway, Tunnel, SWG, SSO & Securing Roaming Users.  Deploy and Managing Cloud and On-Premises network. Routing  ➤ Routers Handled: Cisco Router SMB - RV340, ISR 1000,4000 series Advance Routing Protocol Design- OSPF, EIGRP, and BGP. Redistribution. NAT, Policy-based Routing, QoS, Traffic shaping. ISP load balance and performance routing. Switching  ➤ Switch Handled: Cisco Switch- CBS 350; Catalyst - 4000,6000 ; Nexus - 2000/7000/9000 Cisco Meraki MS & MR and Fortigate switches. Aruba Switch and Unifi Switches. STP, VLAN, Trunk. Link Aggregation (PAGP, LACP). First Hop Redundancy Protocol (HSRP, VRRP) Switch security & Switch Stacking. Server and Services  Microsoft Server : Windows Domain Controller, DNS , DHCP, IIS, RDP & File server. Ubuntu & Linux experience related to Webserver, Network & Security Service. Docker Container related to network & security service, Docker networking. Network & Protocol Stack:  Wireshark Packet Analysis. Troubleshoot LAN/WAN/Application slowness issue. Perform RCA with report. Capturing and deep Analyzing of Network packets using Tcpdump etc. Troubleshoot Application level issues. Decipher encrypted traffic. Handle tools in Kali Linux for scanning port, analyze web traffic, VAPT. ----------------------------------------------------------------------------------------------------------------------- #Network #Security #Fortigate #VPN #SDWAN #Cisco #Pfsense #Sonicwall #Unifi #Meraki #AWS #Fortinet #Firewall #Cloud #VPC #Network Architecture #IPS #Malware Protection #NGFW #ZTNA #SASE #CASB #Cloudflare #Zero Trust #Perimeter 81 #Active Directory #Security Consultant #Sophos #Wifi #Switch -----------------------------------------------------------------------------------------------------------------------
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    SonicWall
    Cisco Meraki
    Fortinet
    Ubiquiti
    FortiGate Firewall
    Microsoft Visio
    Network Administration
    Network Design
    Amazon Virtual Private Cloud
    Check Point
    Network Security
    Cisco ASA
    Firewall
    VPN
  • $30 hourly
    Technology Professional with experience in Data Center, Infrastructure and Network management. Specializing in the administration of Windows Server and Linux operating systems; VMWare vSphere and Hyper-V virtualization systems; And extensive knowledge in Networking, Active Directory, GPO, IIS, DNS, Microsoft Exchange, among others
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    Security Infrastructure
    Ubiquiti
    Network Equipment
    Network Planning
    Network Security
    Iptables
    Network Design
    Firewall
    LAMP Administration
    Cisco Certified Network Associate
    Wireshark
    Wireless Network Implementation
    Microsoft Exchange Server
    Windows Server
  • $90 hourly
    Good Day, Over a decade of experience in the IT industry and MSP space, Assigned to design, developed, and maintain a Microsoft systems on the needs of my clients using new techniques and technology, Analyst/Programmer, has more than 15 years of solid Client/Server experience and substantial expertise in the standalone system since 2000, Has broad and proficient knowledge in the following. If you invite me to your job please at least reply, your time and mine are important . ⭐⭐⭐⭐⭐ Desktop Application (C#) ⭐⭐⭐⭐⭐ Database (MySQL, MSSQL) ⭐⭐⭐⭐⭐ Voice Over IP services ⭐⭐⭐⭐⭐ Defederation ⭐⭐⭐⭐⭐ Microsoft Office 365 ⭐⭐⭐⭐⭐ FreePBX ⭐⭐⭐⭐⭐ Microsoft Office Suite ⭐⭐⭐⭐⭐ Cyber Security ⭐⭐⭐⭐⭐ Technology Consulting ⭐⭐⭐⭐⭐ Surveillance Systems (IP Cameras, CCTV, NVR, VMS) ⭐⭐⭐⭐⭐ Microsoft Azure ⭐⭐⭐⭐⭐ AWS Services ⭐⭐⭐⭐⭐ MS Exchange, O365 ⭐⭐⭐⭐⭐ MYSQL, Workbench ⭐⭐⭐⭐⭐ RDS, Microsoft Windows XP, 7, 10, 11, Server OS 2003 to 2022 I have a lot more experience in other areas. I can work with you when you need me. If you have a question send it right away I'll be happy to answer them. Regards, Josue Valentin TechNet New England - Massachusetts technetnewengland.com 413-459-9663
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    Windows Server
    System Administration
    Microsoft Active Directory
    Group Policy
    Computer Skills
    FreePBX
    Windows Administration
    Backup Administration
    Remote IT Management
    Computer Network
    Helpdesk
  • $100 hourly
    20+ years experience in administering *nix systems and networks. What I can do for you: - Manage equipment in physical datacenter - Manage infrastructure on the cloud (currently AWS and DigitalOcean - Migrate equipment between sites - Migrate services physical to virtual (OpenVZ, KVM, ESXi) - Migrate services physical or virtual to the cloud - Create and support Linux devop environment - Untangle existing network configuration. Make it or simple or redundant or balance of it. - Roll out IPv6 - Organize VPNs - "Install that app" on a Linux system - Configure VoIP server or fix its issues - Automate deployment with puppet, ansible, CloudFormation - Get it monitored (mainly but not limited by zabbix) - Get extra remote hands, if I run out of my own - Not get cold in the datacenter and not fell asleep during night migration :)
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    Network Design
    Network Architecture
    AWS CloudFormation
    OpenVPN
    Ceph
    VoIP
    Virtuoso Universal Server
    IPv6
    OpenVZ
    Zabbix
    Network Administration
    Linux System Administration
    NGINX
  • $40 hourly
    I am excited to offer 16+ years of solid experience in Physical & Virtual Server & Networking Platforms, System Administration, Network Administration,Managing Telecommunications Networks and Technical Strategy. Below are a few of my strong assets for your business: - Microsoft(Active Directory, DNS,DHCP, RDS,SQL Server(DB Admin),SharePoint, - Hyper-V, Exchange(All Versions &O365)Azure) - VMWare (ESXi, VCenter) - Citrix (XenApp, XenCenter) - Antivirus(Symantec(SEP),Mcafee(EPO),Kaspersky) - Linux (Ubuntu, CentOS,Debian) - Cloud(MS Azure,AMAZON AWS ,Google GCP,OVH and Digital Ocean) - Storage(Synology,QNAP,FreeNAS,WD,Dell and HP) - VOIP ( Avaya,3CX,Yeastar,XCally,GrandStream & FreePBX) - Firewalls (Fortinet, Sonicwall, Sophos, ASA,WatchGuard&PFSense) - Routers (Cisco, Ubiquiti) - Servers (HP Proliant Servers) & (Dell/EMC Servers) I am happily available anytime using secure remote support or walk you through the steps via Upwork chat .I am looking to show each client my worth to build a long relationship.
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    Storage Area Network
    Cloud Computing
    Active Directory Federation Services
    VoIP Administration
    Microsoft Hyper-V Server
    Microsoft Active Directory
    Cisco Router
    Firewall
    FreePBX
    Microsoft Exchange Server
    Office 365
    Windows Server
    Microsoft Azure
    Microsoft Exchange Online
    Fortinet
  • $50 hourly
    I am a dedicated and results-driven Cloud and Network Engineer with a strong passion for designing, implementing, and optimizing scalable infrastructure solutions. With a solid foundation in cloud technologies and network architecture, I possess a comprehensive skill set that enables me to effectively tackle complex challenges in the ever-evolving world of IT. My expertise lies in leveraging cloud computing platforms, such as Amazon Web Services (AWS), Microsoft Azure to architect and deploy highly available and fault-tolerant systems. I have hands-on experience in building virtual private clouds (VPCs), configuring security groups, managing network connectivity, and implementing disaster recovery strategies. If you are seeking a highly skilled Cloud and Network Engineer who can deliver robust infrastructure solutions while fostering a collaborative and results-oriented work environment, please don't hesitate to reach out. I am eager to connect with like-minded professionals and explore opportunities to make a significant impact in the field of cloud computing and network engineering. Constantly staying up-to-date with the latest industry trends, I actively engage in continuous learning and professional development to enhance my skills. I hold industry certifications, including: ►Cisco Certified Internetwork Expert Enterprise Infrastructure (CCIE Enterprise Infrastructure) ►Cisco Certified Internetwork Expert Routing and Switching (CCIE Routing and Switching) ►Cisco Certified Networking Professional - (CCNP Enterprise) ►Cisco Certified Network Associate Routing and Switching (CCNA Routing and Switching) ►Cisco Certified Network Associate Security (CCNA Security) ►Cisco Certified Design Associate (CCDA) ►Cisco Certified Specialist - Enterprise Advanced Infrastructure Implementation ►Cisco Certified Specialist - Enterprise Core ►Cisco Certified Specialist - Enterprise SD-WAN Implementation ►Certified Meraki Networking Association (CMNA) ►Calabrio Certified Product Professional v11 ►ITIL v3 Foundations Certification ►Microsoft Certified: Azure Fundamentals ►Microsoft Certified: Security, Compliance, and Identity Fundamentals ►Microsoft Certified Azure Network Engineer Associate ►AWS Certified Cloud Practitioner
    vsuc_fltilesrefresh_TrophyIcon PfSense
    MikroTik
    Network Administration
    Amazon
    Spanish
    Cisco Meraki
    Cisco
    Cisco Certified Internetwork Expert
    Cisco Certified Network Professional
    Network Engineering
    Palo Alto Firewalls
    Cisco Certified Network Associate
    Technical Support
    Network Security
    Firewall
  • $50 hourly
    I am an IT veteran with more than 20 years experience with network technology such as: VoIP Telephony (Asterisk, FreePBX) Web Development (HTML, Javascript, CSS) Coding (PHP, NodeJS, .Net) Scripting (Powershell, Bash) Server Administration (Windows, Linux, Unix) Database Administration (MS SQL, MySQL, MongoDB) Virtualisation (XenServer, VMWare) Monitoring (Nagios) Automation (Ansible) I have helped to launch and run several successful businesses offering services such as: Web and email Hosting Web design specialising in eCommerce Hosted PABX (VoIP) services ADSL and Dial-up Internet Services (ISP) I have been involved with building and overseeing the SaaS/Cloud infrastructure of a major global hospitality software company, however no job or problem is too small for me to sink my teeth into. A natural-born troubleshooter, I thoroughly enjoy getting to the bottom of those niggling technical problems and making sure that they don't come back again. I hope that by helping you with your project, that I will be able to put my extensive knowledge to work for you and also continue to stay up to date on the latest technology that business are using to make their lives easier. Look forward to working with you!
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    VoIP Administration
    Microsoft SQL Server Administration
    Asterisk
    Ansible
    Windows Server
    Linux System Administration
    Virtualization
    Network Monitoring
    Nagios Core
  • $20 hourly
    I am a solutions-oriented IT professional with a passion for technology. I have notable success in working with a team of motivated individuals to coordinate multiple projects simultaneously. An ambitious professional always seeking ways to improve and remain relevant to advancements in technology.
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    Wireless Network Implementation
    LAMP Administration
    Microsoft Hyper-V Server
    Network Security
    Vagrant
    Linux System Administration
    Cisco Certified Internetwork Expert
    MikroTik RouterOS
    Ubiquiti
    Cisco IOS
    Amazon ECS
    Ansible
    Microsoft Azure
    Google Cloud Platform
  • $76 hourly
    Meraki Certified Network Operator and Firewall Network engineer, I have many years setting up and configuring, VPN, SD-WAN and remote locations Meraki and Cisco Switches and networking. Fortinet Firewall setup and config with remote locations and firewall filtering. User VPN setup and configure. Firewall rules and filtering. Nimble SAN Storage server setup and config with VMWare Esxi 5.0-6.7 setup and config with ISCSI connectivity for system storage profiles. Switches, Cisco Aeronet, Meraki, Ubiquiti and Motorola wireless, Nuuo video monitoring and LifeSize video conferencing. Troubleshoot TCP/IP, DNS, WINS, DHCP and VPN. Support and maintain computing services including Windows Hyper-V and IBM iSeries and System X servers, VMWARE Esxi 5.5-6.5. Server, 2003-2019 Citrix XenApps, and Windows environment. Troubleshoot EDI transactions in Data Masons Vantage Point and Liaison AS2. Administer Office 365 mail and apps.
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    Citrix Hypervisor
    MikroTik RouterOS
    OpenWrt
    VMware ESX Server
    VMware vSphere
    Security Infrastructure
    Avaya
    Internet Protocol Security
    Juniper
    Network Equipment
    macOS
    Cisco Meraki
    VPN
  • $15 hourly
    IT Expert with 8+ years of experience in Managing Windows and Linux-based server infrastructures, Network security and administration, and software solutions. Here are some major services on which I am working: ☑️- Server Administration : ✔️ Windows server : Intune , ADDC, DNS, DHCP, WSUS, Group Policy Management, RDP Server, WDS Server, IIS Server, MS Exchange Server, MS SharePoint, MS Office 365, MS One Drive, MS Teams, File Server (NAS & SAN) , FTP, NTP and many more ✔️ Linux Server : SAMBA ADDC LDAP, SAMBA File Server, DNS, DHCP, Mail Servers (Zimbra, PMTA, Send grid, Squirrel mail, Roundcube). Web Servers (Tomcat, apache, nginx, light speed), MySQL, MariaDB, Postgres, FTP, NTP, Ticketing tools (Manage engine, OS ticket, OTRS Ticket, Citrix XenApp, JIRA, Service now), Monitoring Tools ( Check_mk, Syslog, Nagios, Cacti, ELK Stack, Zabbix, PRTG), IDS Server ( OSSEC, WAZUH, SNORT, Suricata, BRO, Tripwire, Security Onion), DLP/Encryption/ Threat Prevention Server ( Symantec, Sophos, McAfee), Threat Intelligence server (MISP, Mitre, OpenCTI), The Hive with Cortex, ArcSight Server, Dialer Server ( VCdialer, go autodialer, ViciBox, Altitude Dialer), Virtaul Hypervisor ( VMware ESXi, Proxomox, Virtual Box, VMware Workstation), GenieACS TR-069 remote management server, Vulnerability Assessment Scanner Tools (OpenVAS, Nessus Professional, Wireshark, Comodo cWatch, Tripwire IP360) , SonarQube Code analysis Tool, NXfilter URL Filtering tool and Many More.. ☑️- Network Administration: Key Network Skills & Security Products Experience: o Firewall – Checkpoint, Cisco ASA, Palo Alto, Fortigate, Sophos, o Router & Switches : Cisco, Mikrotik, Ubiquiti, Netgear, Aruba o Intrusion Detection & prevention – Cisco, Checkpoint, Sophos o Switching: Vlan, Inter Vlan, Stp, Vtp, EtherChannel, Switch Port o Configuration and troubleshooting of routing protocols OSPF, RIP, EIGRP, BGP o Setup of security implementations (Filtering Tool ACL, route map, port security.) o Well versed in the operations, configuring, and troubleshooting of various issues in Checkpoint and Cisco, Mikrotik, Ubiquiti, Netgear & and Aruba Devices. o Checkpoint IPSec VPN Blade, Application & URL filtering Blade, IPS Blades, o Configuration & troubleshooting of IPSEC and S2S VPN ☑️- Information Security I help organizations stay compliant with all the important standards like PCI DSS, HIPPA, ISO 27001, GDPR, FISMA, and GLBA. In addition to these compliances, I also help companies with Information Security Assessments and Penetration and vulnerability Testing for identifying loopholes in their security infrastructure and BCP/DR consulting for building programs to stay ahead of future security incidents. ☑️- Cloud Solutions: I Help organizations to deploy their services on AWS, GCP, and Microsoft Azure cloud & Freshservices. Projects not for me: ✖Asking to hack/crack/access someone else accounts, systems, social media, etc
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    Microsoft Endpoint Manager
    Microsoft Certified Information Technology Professional
    Microsoft Server
    Freshworks CRM
    Google Workspace Administration
    Security Management
    Remote IT Management
    Linux System Administration
    Technical Support
    Microsoft Azure
    Amazon Web Services
    Managed Services
    Network Administration
    Network Security
  • $50 hourly
    As a tech-savvy DevOps and IP Architect, I specialize in virtualization, networking, and containers. I deftly turn business needs into smooth tech solutions using Docker, Kubernetes, VMWare, and various cloud services like AWS, Azure, GCP, Hetzner. I also run a premium VPN service for areas with internet restrictions and can customize VPN solutions to fit any business. Let's use technology to elevate your business!
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    Regex Writing
    Docker
    DevOps
    VMware ESX Server
    Computer Network
    Cisco Certified Internetwork Expert
    VMware Administration
    VMware vSphere
    Network Planning
    Network Administration
    Network Security
    Network Design
    Network Engineering
  • $50 hourly
    Experienced Network Operations Center Team Lead with a demonstrated history of working in the information technology and services industry. - expert in building vpn platforms - expert in Networking, Cisco Systems Products( R&S, Security and Collaboration). - expert in Palo alto , Fortinet, PFSense firewalls, Mikrotik router, VPN - very good experience in Vmware ESXi, Ubiquity, Unify , windows Servers - very good exprience in cloud (AWS, GCP, Azure, Oracle OCI) - very good experience in linux -very good experience in docker, kubernetes -very good experience in git, ci/cd - Strong Development Skills specially network development(C#, .net web API , asp.net mvc) - .net core web api, microservices, rabbitmq, Rest API, EF
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    Virtual Private Server
    Cisco Router
    Cisco Certified Network Professional
    .NET Core
    Cisco CallManager
    C#
    MikroTik RouterOS
    Cisco ASA
    .NET Framework
    Network Security
    VPN
    Network Design
    Ubiquiti
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