Designing, building, and managing reliable networks,
systems, and virtual infrastructure.
Networking • Virtualization • Systems • Automation
Design : Reza Farahmandian
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Alongside my professional career, I work as a freelance Network & Infrastructure Engineer, helping clients build, secure, and maintain reliable IT environments. I am a Top Rated freelancer on Upwork with a 100% Job Success Score, and I also work with clients through other freelance platforms and professional networks.
We connect offices, data centers, cloud platforms, and remote users across the world through secure, reliable network solutions.
Our LAN, WAN, VPN, and routing technologies allow geographically distributed locations to work together as one connected infrastructure.
Built with technologies such as BGP, OSPF, SD-WAN, VLAN, and IP routing, our networks are designed for security, reliability, scalability, and high availability.
We design modern wireless networks that provide fast, reliable, and secure connectivity across offices, campuses, warehouses, and large environments.
Using Wi-Fi 6/6E, Wi-Fi 7, RF planning, wireless simulation, and heatmap analysis, we optimize coverage, capacity, and performance before deployment.
Our designs reduce dead zones and interference while providing seamless mobility and reliable connectivity without being restricted by physical network locations.
A selection of technical projects, network designs, and professional certifications that represent my experience across enterprise networking, IP technologies, wireless infrastructure, and service-provider networks.
Planning and designing scalable IPv6 networks, including addressing architecture, subnet allocation, routing strategy, dual-stack migration, and future network expansion.
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Technical study of IPv6 technologies, addressing, Neighbor Discovery, SLAAC, DHCPv6, IPv6 routing, transition mechanisms, and practical deployment considerations.
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Research and technical analysis of emerging IP networking technologies, modern routing architectures, network automation, scalability, security, and next-generation infrastructure.
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Switching & Routing
Professional technical knowledge covering Cisco enterprise networking, VLANs, STP, EtherChannel, routing protocols, OSPF, EIGRP, BGP, network design, troubleshooting, and infrastructure security.
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Large-Scale Wireless Infrastructure
Wireless network planning for demanding environments such as airports, including RF design, coverage and capacity planning, interference analysis, Wi-Fi simulation, heatmaps, roaming, and high-density client environments.
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Service Provider & Enterprise Networks
Design and analysis of MPLS-based networks, including L3VPN, PE/P routers, traffic engineering concepts, routing integration, redundancy, scalability, and multi-site connectivity.
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