Strategic Network Migration Architect & Tech Lead

Tech Mirrors; Houston (TX); On-site; USD 140,000 - 190,000; Full time

Job summary

Tech Mirrors seeks a Network Migration Architect / Technical Lead to own end-to-end design, planning, testing, and execution of a multi-site network separation and migration program. You will define target-state LAN/WAN, VPN, and security architecture, and coordinate across infrastructure, security, endpoint, and applications teams.

You will lead migration waves, cutover weekends, and command-center activities while ensuring high availability and scalable connectivity to cloud and on-premises

Qualifications

• 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.

Responsibilities

• Lead end-to-end design, planning, testing, and execution of the network separation and migration program.
• Own network architecture, migration execution, application connectivity, cutover planning, and stakeholder coordination across infrastructure, security, endpoint, and application workstreams.
• 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.
• Configure and deploy switches, wireless controllers, access points, firewalls, routing, and VPN connectivity.
• Implement VLAN, routing, firewall, NAT/PAT, 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.
• Develop comprehensive migration test plans.
• Validate application access, wireless connectivity, printer access, VPN connectivity, and legacy application dependencies.
• Lead pilot migrations and production readiness reviews.

Skills

Cisco Switching & Routing

Cisco Wireless / WLC

Palo Alto Firewalls

Fortinet Firewalls

LAN/WAN Design

VPN Technologies

VLAN & Network Segmentation

Routing Protocols (BGP/OSPF)

DHCP, DNS, NAT/PAT

Cloud networking

Cloud Connectivity

Network Security Architecture

Job description

Tech Mirrors seeks a Network Migration Architect / Technical Lead to own end-to-end design, planning, testing, and execution of a multi-site network separation and migration program. You will define target-state LAN/WAN, VPN, and security architecture, and coordinate across infrastructure, security, endpoint, and applications teams.

You will lead migration waves, cutover weekends, and command-center activities while ensuring high availability and scalable connectivity to cloud and on-premises