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$20/hr
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$10K+ earned
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I aspire to contribute to an organization that recognizes my strengths, enhances my skills, and fosters professional growth in the field of networking. With around 10 years of experience in the IT industry, I bring expertise in networking, wireless technologies, security, and SD-WAN.
As a versatile and adaptable professional with over a decade of experience in the private sector, I have extensive hands-on knowledge of routers, switches, firewalls, and a broad range of networking solutions. My technical proficiency covers Cisco Nexus Switches, Cisco Meraki devices, Cisco Wireless, Cisco Prime, Cisco WAAS, Aruba Wireless, Aruba ClearPass (CPPM), Aruba Central, Aruba Gateway, Palo Alto Firewalls, Panorama, Prisma SD-WAN, Fortinet products (FortiGate, FortiSwitch, FortiAP, FortiExtender, FortiManager, FortiAnalyzer, FortiCloud), F5 BIG-IP, Silver Peak SD-WAN, Ubiquiti UniFi solutions, Cradlepoint, VMware Cloud, OpsRamp, MS Visio, ServiceNow, and various network-related projects.
I am a dedicated, motivated, and adaptable professional with a positive attitude, strong problem-solving skills, and a commitment to maintaining high professional standards. My ability to quickly grasp new technologies, communicate effectively, and take on challenges allows me to work independently or as part of a team.
Technical Expertise
Routing
OSPF, EIGRP, eBGP, iBGP, VRF, Static & Dynamic Routing, Cisco Routers, Cisco Meraki Appliance, Cisco WAAS, Ubiquiti UniFi Gateway
Switching
VLANs, Port Security, Trunking (802.1q), EtherChannel, VTP, STP, MST, RSTP, PVST
Inter-VLAN Routing, CEF, HSRP, VRRP, GLBP, PoE, SPAN, MAC Table, VSS, vPC, Flex-Link
Cisco Catalyst & Nexus Switches, Cisco Meraki Switches, Ubiquiti UniFi Switches
Security
Policy-based & Route-based VPN, AAA, ACLs, Cisco ASA, FortiGate, Palo Alto Firewalls, Sophos Firewalls
Panorama, Aruba CPPM, Aruba Gateway, Cisco Meraki Firewall (L2/L3 Security), NAT, SD-WAN
IP Source Tracking, OpenVPN, pfSense Firewall, UniFi Gateway
Wireless
Cisco Wireless LAN Controller (WLC), Cisco Prime, Cisco DNA, Cisco Meraki, Aruba Central
Aruba WLC, Aruba CPPM, WLAN, Cisco AP, Cisco Meraki AP, Aruba AP, Mist AP, UniFi AP
Network Monitoring & Tools
ServiceNow, OpsRamp, Remedy, JIRA, ScienceLogic, SolarWinds
Certifications & Professional Qualifications
Cisco Meraki Solutions Specialist (ECMS)
CCIE Enterprise Infrastructure
Managing Campus Networks with Aruba Central
Cisco Meraki Network Associate (CMNA)
Aruba Mobility Fundamentals
Palo Alto Networks Certified Network Security Engineer (PCNSE)
NSE 1/2/3/4 Network Security Associate
Silver Peak Technical Sales Professional, Silver Peak SD-WAN
Cisco Certified Network Associate (CCNA)
Firewall Vendors:
Cisco (Cisco ASA, Firepower, Meraki MX)
Palo Alto Networks (PA-Series, Prisma Access, Panorama)
Fortinet (FortiGate, FortiManager, FortiAnalyzer)
Check Point (Quantum Security Gateway, Harmony)
Sophos (XG Firewall, SG UTM)
WatchGuard (Firebox Series)
SonicWall (NSA, TZ Series)
Juniper Networks (SRX Series)
Barracuda (CloudGen Firewall)
Zscaler (Cloud Security)
Forcepoint (Next-Gen Firewall)
Hillstone Networks (A-Series, X-Series)
Huawei (USG Firewall)
Sangfor (NGAF – Next-Gen Application Firewall)
F5 Networks (BIG-IP Advanced Firewall)
McAfee (Trellix) (Network Security Platform)
Cyberoam (UTM Firewall)
Netgate (pfSense)
Ubiquiti (UniFi Security Gateway)
DrayTek (Vigor Security Firewalls)
Lancom (R&S Unified Firewalls)
GajShield (Next-Gen Firewall)
Versa Networks (SASE & SD-WAN)
Cato Networks (SASE)
Hillstone Networks (Next-Gen Firewall)
OPNsense (Open-source Firewall)
Clavister (Secure SD-WAN & Firewalls)
ZYXEL (ATP, VPN, USG FLEX Firewalls)
Perimeter 81 (Cloud Firewall & SASE)
Networking Vendors
Cisco (Catalyst, Nexus, ISR, ASR, Meraki)
Aruba (HPE) (Aruba Central, ClearPass, Instant APs, Switches)
Juniper Networks (EX, QFX, MX Series)
Extreme Networks (Summit, VSP, Fabric)
Hewlett Packard Enterprise (HPE) (FlexNetwork, Aruba Switches)
Brocade (Now Broadcom) (ICX, MLX Series)
Ubiquiti (UniFi Switches, Dream Machine, EdgeMax)
MikroTik (RouterBOARD, Cloud Core Router, Switches)
Dell EMC Networking (PowerSwitch, VxRail)
TP-Link (Omada, JetStream Switches)
Huawei (CloudEngine Switches, NetEngine)
Netgear (ProSAFE Switches, Orbi, Insight Managed)
Nokia Networks (Service Routers, AirScale)
Zyxel Networks (Nebula, GS Switches)
Ruckus Networks (CommScope) (ICX Switches, SmartZone)
Ciena (Blue Planet, Adaptive Networks)
Broadcom (StrataXGS Switches, Tomahawk)
Arista Networks (CloudVision, EOS Switches)
Radware (Alteon Application Switches)
Cradlepoint (NetCloud SD-WAN, Wireless Routers)
Silver Peak (HPE) (SD-WAN EdgeConnec
Silver Peak (HPE) (SD-WAN EdgeConnect)
Cato Networks (SASE & SD-WAN)
Versa Networks (SD-WAN, Secure Networking)
With my extensive experience and deep technical expertise, I am confident in my ability to deliver effective networking, security, and cloud solutions while continuously adapting to new technologies and industry trends.
Neelam C.
has worked
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$50/hr
100%
Job Success
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I am a CCIE Security/NSE4/AWS, Azure and OCI Foundation certified network professional and I have worked for 6 plus years in Cisco TAC security team.
I have an over all 13 plus years of experience. I have worked on multivendor products like firewalls like Palo Alto, Cisco, Fortigate, Sonicwall etc, load balancers (F5 LTM, AFM), SDN solutions, Cisco Switches like catalyst, nexus etc. I have good exposure of configuring cisco switches (Nexus and Catalyst) and routers.
I have expert level knowledge of Cisco firewalls (ASA/FTD), fortigate, pfsense and palo alto. I have very strong troubleshooting skills and I have done several migrations of firewalls and other technologies.
I have migrated several multi vendor firewalls to Cisco Firewalls and vice versa. Also, have worked on a mass migration project like migrated more than 70 cisco ASAs to Cisco FTDs. I am managing more than 15 Palo Alto firewalls and 30 Fortigate firewalls.
I have sounds concepts and working knowledge of AWS advanced networking and Azure networking. I have configured several VPN connections between cloud and multivendor firewalls.
Akankshu S.
has worked
.
$25/hr
100%
Job Success
$500+ earned
Offers consultations
Start of list.
End of list.
👋 Hi, I'm Hepshiba Beula, a Networking Engineer with 4+ years of experience specializing in Optical Networks (ONTs & OLTs), VoIP, PBX, Asterisk, Wi-Fi module development, and Network Administration. I have hands-on expertise in embedded systems, networking protocols, and firmware development for high-performance telecommunications solutions.
Key Expertise:
✅ ONTs Development & Support – Data flow monitoring, VoIP support, OMCI stack enhancements
✅ Wi-Fi Module Engineering – Performance optimization, debugging, and system enhancements
✅ VoIP Network Enhancements – SIP signaling, VoIP debugging (Asterisk, Wireshark), FXS device integration, FreePBX deployment
✅ Network Administration – VLANs, switch-based configurations, traffic monitoring (Ixia, Spirent)
✅ Embedded Software Development – C programming, Data Structures, Linux-based development
✅ Packet Analysis & Debugging – Deep packet inspection, protocol debugging (Wireshark, Asterisk)
✅ OLT Support – Ensuring seamless integration and maintenance of Optical Line Terminals
Professional Experience Highlights:
🔹 Optical Networks (ONT Development & OLT Support)
Developed OMCI stack interfaces for ONTs, enabling seamless network provisioning.
Worked on PON activation, MIB Upload, and software upgrades for Adtran ONTs.
Designed and implemented CFM Protocol on Cortina-based targets.
Monitored data flow and ensured VoIP support for ONTs in live network environments.
🔹 Wi-Fi Module Enhancement & Debugging
Enhanced and maintained the BGW320 Wi-Fi module for AT&T residential gateways.
Debugged and optimized Wi-Fi performance, including network stability and traffic flow.
🔹 VoIP & Network Optimization
Implemented VoIP handling in FXS devices (Cortina 6xx, BRCM 8xx, 62x).
Debugged VoIP packets using Asterisk, Wireshark, ensuring high call quality.
Managed SIP signaling and VoIP enhancements for network efficiency.
Has experience in deploying FreePBx on cloud server and configuration of trunk and SIP routing and extension
🔹 Network Configuration & Traffic Analysis
Monitored and optimized network traffic using Ixia, Spirent for data packet analysis.
Configured VLANs, switches, and network routing for optimal data flow.
Tech Stack & Tools:
💻 Languages: C, Python, Shell Scripting
🛠 Tools: Git, JIRA, Bitbucket, Confluence, Perforce, Wireshark, Asterisk, IXIA, Spirent
📡 Platforms: Linux/Unix, Residential Gateways, Optical Line Terminals (OLTs), Optical Network Terminals (ONTs)
I am open to networking, IT infrastructure, and embedded systems roles, bringing strong problem-solving skills and expertise in network administration, VoIP, and optical networking solutions. Let’s connect and collaborate! 🚀
Hepshiba B.
has worked
.
$50/hr
100%
Job Success
$10K+ earned
Start of list.
End of list.
I help businesses and IT teams build stable and cost effective systems.
I have more than 14 years of experience in a major security company, working with projects of different sizes, from small offices to large distributed environments.
My main areas of work:
• Windows Server infrastructure: AD, DNS, GPO, RDS, Hyper-V, Failover Clustering
• Networking: MikroTik, UniFi, VPN setups (site to site and remote access)
• Virtualization: Hyper-V, VMware (ESXi, vSAN), Proxmox VE & PBS
• Backup and storage: Veeam, Synology, QNAP, DAS/NAS systems
• Remote management infrastructure: RustDesk, VNC, NanoKVM
• Cloudflare Tunnels
• Drake Tax software support
I focus on practical solutions that meet business needs and stay in the budget.
Whether you need a new setup or help maintaining an existing one, I try to make things reliable and simple to manage.
Certifications: MCSE | MCSA | AZ-104
Open for long term remote roles or hybrid setups.
Artem R.
has worked
.
United Kingdom
$100/hr
100%
Job Success
$100K+ earned
Available now
Offers consultations
Start of list.
End of list.
Network Engineer with a proven track record of delivering network solutions, IT Infrastructure, and telecom services.
My area of expertise includes.
. Certified: CCNP, AZ305, AZ104, AZ-700, CCNA, ITIL, MCSA, ZIA.
. Cloud: Azure, AWS, and GCP.
· Configuration of networks, servers, switches, and routers.
. Zscaler: ZDX, ZPA & ZIA
. Cisco R&S, Cisco ISE, Cisco ASA, Juniper, ESXI VMware, Hyper-V.
. Wireless Tech: Meraki, Aruba, Aerohive, Ubiquiti.
. CRM: Zendesk, Halo, Fresh Service and ServiceNow
. NMS: SolarWinds, Opmantek, Mutiny, Datadog
. Firewall: Checkpoint, Palo Alto, Cisco ASA, FortiGate
. Windows Server, Linux, Exchange Servers, O365, Active Directory, SSL Certs, DNS, DHCP, SCCM.
Hassan W.
has worked
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$55/hr
100%
Job Success
Offers consultations
Start of list.
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✔ Expert in Fortigate, Sonicwall, Sophos, pfSense, OPNSense, Cisco, Meraki, Unifi, VPN etc.
🥇 100% JSS & Positive Feedback ☑️ 13+ Years Experience ☑️ 100+ Projects Delivered ⭐️Top Rated Plus ☑️ 93% Long-Term Client
➤ Full Time Freelance Consultant and Engineer with a background as a Senior Information Specialist.
➤ Vast experience working in MSP, Enterprise environment 🏦. Served 100+ projects in Upwork for clients around World 🌎.
➤ My expertise spans network & security design and implementation ( Firewall, Routers, Switches, Wi-Fi, Servers, Cloud ), cybersecurity strategy, migration projects, security enhancement, on-going support & maintenance and troubleshooting, with a focus on balancing performance and protection with compliance, so businesses can grow confidently.
🥈 Core Competencies:
🔹 Network & Security Architecture (Enterprise LAN/WAN, SD-WAN, Cloud & Hybrid Networks).
🔹 Security Audits, Hardening & Infrastructure Assessments.
🔹 Firewall Solutions (FortiGate, Sophos, SonicWall, Unifi, Meraki, pfSense, OPNsense).
🔹 VPN Solutions (Site to Site; Remote access VPN; IPSec/SSL; OpenVPN; WireGuard )
🔹 Cloud & Hybrid Networking (AWS, Azure, Cloudflare Domain & DNS Management).
🔹 SASE & Zero Trust (Umbrella, CloudConnexa, Perimeter 81, Cloudflare ZTNA).
🔹 IAM & MFA (Entra ID, Okta, Duo, SAML).
🔹 Routing, Switching & Network Segmentation (Cisco, Aruba, Fortinet, UniFi, Meraki).
🔹 Wireless Design, Security, Performance Analysis & Optimization.
🔹 Infrastructure Services (Active Directory, DNS, DHCP, RDP, File Services).
🔹 Endpoint & Access Security -FortiEMS, Sophos Intercept X.
🔹 Compliance Readiness & Security Governance (ISO 27001, SOC 2, PCI DSS, HIPAA).
🔹 Technical Consulting, Documentation & Standards Governance.
👁🗨Your Trusted Network Security Expert:
::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
Leveraging my extensive experience and high-level skills in network security, my ability to rapidly adopt new technologies ensures I stay ahead of the curve, offering a full suite of freelance services to fortify your digital infrastructure and protect your valuable data.
💬 Please connect with me via Upwork chat to discuss your specific requirements..
Thanks 🙏
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#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 #Storage Server #Synology NAS #TrueNAS #RAID
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Kishore V.
has worked
.
$150/hr
100%
Job Success
$90K+ earned
Available now
Start of list.
End of list.
Migrating clients from on-perm to Amazon Web Services, and Azure. Working and managing Hybrid Cloud Technologies.
Supporting Clients in VMWare, Microsoft Hyper-V, OpenVZ, and Xen Virtualization.
Server administrator with 10 + years of Windows experience.
DIB (Defense Industrial Base) CMMC RP- Azure GCC, and Azure GCC High Migrations.
Microsoft Active Directory, Exchange 2003 - 2019, Hosted Exchange, Office 365, Google Apps, Microsoft Intune Setup, and configuration management / Microsoft Endpoint manager, Azure AD/Azure, Azure Migerate, Azure VMS, Microsoft Defender, SQL Server,
Help with NIST 800-171 Implementations on GCC(Government Community Cloud), and GCC High.
Proficient in Server Setup, Upgrades, Physical to Virtual Server Migrations/ Upgrades, and Server Migrations/ Exchange Migrations. Exchange to O365 Migrations.
I am passionate about learning new technologies and helping clients move to the cloud.
Proficient in Disaster Recovery (Including Datto, Shadow-Protect, Veeam, Acronis cloud, Max Online back, Carbonite,) Patch Management (Labtech, Kaseya, Vistara, Max remote management) , Network Monitoring, Network Setup, and Troubleshooting
Workstation Deployment, Installation, Setup, and Repairs (Desktop and Laptops)
Server Deployment and Troubleshooting
Database and System backups
Customers solutions to improve business to business operations
5+ years of Linux and Unix Experience
Cisco Asa, SonicWALL, Cisco Switches Meraki, Sonic wall Firewalls, VPN, Remote Desktop Setup and Troubleshooting,
15+ Plus years in Managed Services Experience
15+ years in Active Directory / Windows Servers/ Migrations
I've worked for 6 different MSP's(Managed Service Providers) s in my past.
Projects I've serviced in my past:
US Government, DIB (Defense Industrial Base) CMMC- GCC, and GCC High.
Finical , HIPAA/ medical, Manufacturing, and other industries.
Matthew S.
has worked
.
Associated with
BITLYNK NETWORKS LLC Agency
$8K+
earned
United States
$130/hr
100%
Job Success
$70K+ earned
Start of list.
End of list.
👑 Expert Vetted - Top 1% of talent on Upwork
⭐️ Top Rated - Highly rated for the work provided
🎯 100% Job Success Score
🕒 600+ hours on Upwork
✅ 30+ years of experience
✅ 50+ projects delivered here on Upwork
With over three decades of experience under my belt as a network and security engineer, I've traversed the ever-evolving landscape of LAN/WAN network design, network security, firewalls, implementation, and maintenance.
My expertise is not merely a testament to time, but also backed by credentials including Cisco CCNP (route/switch), a Cisco CCDP for network design, and a PCNSE for Palo Alto Networks.
I am always available for consulting for short-term and long-term projects.
Thank you.
Chris C.
has worked
.
$60/hr
92%
Job Success
$50K+ earned
Offers consultations
Start of list.
End of list.
CCIE #42303 | Fortinet Security Architect | Microsoft Teams, Azure Cloud & AI Certified Solution Consultant Team Lead
With over 18 years of experience, I specialize in designing, implementing, and supporting enterprise-grade Network, VoIP, Unified Communications (UC), Contact Center (UCCE/UCCX), Telepresence, Security, SD-WAN, SASE, and Cloud solutions.
I help organizations modernize their communication infrastructure, optimize performance, and enhance security and reliability across multi-vendor environments — from on-prem to hybrid and cloud.
________________________________________
⚙️ Areas of Expertise
🔹 Cloud & Microsoft Ecosystem
• Designing and administration of Office 365 tenants, Azure Cloud, and Microsoft Entra ID (Azure AD) solutions.
🔹 Unified Communications & Collaboration
• Design, implementation, and troubleshooting of Microsoft Teams, AudioCodes Mediant, Sonus/Ribbon, Oracle Acme SBCs, Cisco Call Managers (CUCM, CUCME, CUCMBE, SME), Cisco Unity, IM&P, Expressway, CUBE, and Prime Collaboration.
• Extensive experience with Cisco Hosted Collaboration Solutions (HCS), UCS (B & C Series), and CUCDM.
• End-to-end setup of Cisco Telepresence (Codecs, TMS, CMS, VCS, Expressway) and Webex Collaboration platforms.
• Designing and supporting hybrid environments integrating Microsoft, Cisco, Zoom, 3CX, and Multi-Vendor collaboration solutions
• Designing and supporting scalable open-source VoIP solutions like FusionPBX, Asterisk, FreePBX, ASTPP Billing, and integrating them with various communication platforms like Twilio, Telnyx, and different other communication channels and tools.
🔹 Contact Center & Voice Integration
• Strong background in Cisco On-premises contact center UCCE and UCCX ecosystems including ICM, CVP, CUSP (SIP Proxy), PG, CTI, Finesse, CUIC, and other critical components.
• Designing, implementing, and supporting Mutli-Vendor Cloud Contact Center Solutions including Cisco Webex Contact Center, Genesys Cloud, Microsoft Dynamics, and Anywhere365.
• Designing, implementing, and supporting open-source cost effective contact center solutions like VICIdial.
• Integration with voice recording, billing, XML, and 3rd-party applications (Verint, Nice, Qfiniti, Carin, VPI, etc.).
• Skilled in Voice XML, SQL troubleshooting, and multi-vendor interoperability.
🔹 Protocols & Connectivity
• Deep expertise in different network routing and switching protocols.
• Deep expertise in VoIP Protocols SIP, H.323, MGCP, Skinny, and Fax over IP.
• Skilled in E1/T1 R2, ISDN PRI/BRI, and QSIG trunk configurations.
🔹 Networking & Security
• Expertise in wired and wireless network infrastructure solutions including Cisco switches, routers, VGs, Fortinet SD-WAN & SASE, ZScaler SASE, VPNs, and L2TP security.
• Solid understanding of Cisco ASA, ISE, Fortinet, Palo Alto Firewalls, HAProxy, and F5 Reverse Proxies.
• Hands-on experience with VMware vSphere & vCenter, SolarWinds, and network monitoring integrations.
🔹 Operational Excellence
• Skilled in change management, release management, and system optimization across multi-platform environments.
________________________________________
🚀 What I Deliver
✅ Scalable, secure, and high-performance Network, Cloud, and collaboration architectures
✅ Smooth migrations and hybrid integrations (on-prem ↔ cloud)
✅ 24/7 reliability through proactive monitoring and optimization
✅ Expert troubleshooting and post-deployment support
________________________________________
If you’re looking for a seasoned consultant who can design, build, and secure your Infrastructure and communication ecosystem end-to-end, I’d be glad to help you achieve it efficiently and cost-effectively.
$30/hr
100%
Job Success
$2K+ earned
Available now
Start of list.
End of list.
I am a Linux Certified System Administrator with more than 5+ years experience configuring,managing and troubleshooting Servers and IT Infrastructure in Data Center Environment.
Some of my expertise includes:
○ Linux Servers that includes Centos,RHEL,Ubuntu,Oracle Server
○ Virtualization platform Vmware,KVM,Proxmox,OpenStack and Power Virtualization
○ Private and Public Cloud Platform Vmware,OpenStack,Oracle PCA,AWS
○ Open Source technologies Docker, Ansible, Kubernetes
○ Web Hosting Platforms WHM,CWP,Plesk,CyberPanel
○ Webservers(apache,nginx), Email Servers(posfix,exim),DNS Servers(bind,powerdns)
○ Databases Technologies (MySQL,PostgreSQL,MariaDB)
○ Bash Shell Scripting
○ Networking Technologies Huawei,Cisco
○ Troubleshooting and fixing issues