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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network Migration Architect Technical Lead - **Company:** Sierra Business Solution LLC - **Location:** Houston, TX, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Microsoft Azure, Cloud Computing, Cyber Security, Computer Networks, Data Centers, Dynamic Host Configuration Protocol, Domain Name System (DNS), IP Addressing, Virtual Private Networks (VPN), Network Security, Network Architecture, Routing, Network Segmentation, Remote Access Technology, Migration Manager, User-Centered Design, Virtual Local Area Networks, Wide Area Networks, Wireless Access Point, Wireless Networks, Network Routing, System Availability, Firewalls (Computer Science), Network Support, Fortinet, Routing & Switching, Cisco - **Published:** July 31, 2026 - **Apply:** https://www.dice.com/job-detail/c806b667-e023-4fb3-9e68-0af0fdb6793f ## About the Role Skills: Network Routing(WAN Technology) Experience Required: 4-6 Network Migration Architect Technical Lead (L3) Design target-state LAN, WAN, Wireless, Firewall, and VPN architecture. Define IP addressing, VLAN, routing, DNSDHCP, and network segmentation strategy. Create migration approach, cutover methodology, rollback plans, and migration runbooks. Migration Planning & Delivery Plan network migration waves by site, department, and switches. Coordinate migration schedules with endpoint, server, cybersecurity, and application teams. Lead weekend cutovers and migration command-center activities. Network Build & Implementation Configure and deploy switches, wireless controllers, access points, firewalls, routing, and VPN connectivity. Implement VLAN, routing, firewall, NATPAT, and network security policies. Implement cloud connectivity and networking Support server and application migration readiness activities. Ensure high availability, resilience, monitoring, and operational support readiness, Technical Cisco Switching & Routing Cisco Wireless WLC Palo Alto Firewalls & Fortinet Firewalls LANWAN Design VPN Technologies Cloud networking Cloud Connectivity VLAN & Network Segmentation Routing Protocols (BGPOSPF) DHCP, DNS, NATPAT Azure Networking Network Security Architecture Migration Experience Enterprise Network Transformation M&A Divestiture Carve-Out Programs Data Center & Site Migration User & Device Migration Network Cutover Planning Experience 10+ years in Enterprise Network Engineering 5+ years leading large-scale migration programs Experience supporting 1,000+ user environments Experience coordinating multi-vendor and cross-functional infrastructure teams, Strong stakeholder engagement and executive communication skills ## Description Lead the end-to-end design, planning, testing, and execution of the network separation and migration program. The role owns network architecture, migration execution, application connectivity, cutover planning, and stakeholder coordination across infrastructure, security, endpoint, and application workstreams., Migration Strategy & Architecture Design target-state LAN, WAN, Wireless, Firewall, and VPN architecture. Define IP addressing, VLAN, routing, DNSDHCP, and network segmentation strategy. Create migration approach, cutover methodology, rollback plans, and migration runbooks. Migration Planning & Delivery Plan network migration waves by site, department, and switches. Coordinate migration schedules with endpoint, server, cybersecurity, and application teams. Lead weekend cutovers and migration command-center activities. Network Build & Implementation Configure and deploy switches, wireless controllers, access points, firewalls, routing, and VPN connectivity. Implement VLAN, routing, firewall, NATPAT, and network security policies. Implement cloud connectivity and networking Support server and application migration readiness activities. Ensure high availability, resilience, monitoring, and operational support readiness. Testing & Validation Develop comprehensive migration test plans. Validate application access, wireless connectivity, printer access, VPN connectivity, and legacy application dependencies. 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