Network Migration Architect Technical Lead

**Role: Network Migration Architect Technical Lead (L3)

Location: Houston and Beaumont, Texas 77017 & 77705 (100% On-site)

Duration: 6 months

Skills: Network Routing(WAN Technology)

Experience Required: 4-6** Design target-state LAN, WAN, Wireless, Firewall, and VPN architecture. Define IP addressing, VLAN, routing, DNS/DHCP, 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, 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

Essential Skills: Need a Network Migration Architect Technical Lead (L3)

Added Full Job Description Client Provided After Release Network Migration Architect / Technical Lead (L3)

Position Summary

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.

Key Responsibilities

Migration Strategy & Architecture

Design target-state LAN, WAN, Wireless, Firewall, and VPN architecture.

Define IP addressing, VLAN, routing, DNS/DHCP, 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, 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.

Testing & Validation

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.

Required Skills Technical

Cisco Switching & Routing

Cisco Wireless / WLC

Palo Alto Firewalls & Fortinet Firewalls

LAN/WAN Design

VPN Technologies

Cloud networking

Cloud Connectivity

VLAN & Network Segmentation

Routing Protocols (BGP/OSPF)

DHCP, DNS, NAT/PAT

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