Senior Network Architect – AI-Driven Data Centers

PGTEK; Chantilly; On-site; EUR 156,000 - 205,000; Full time

Benefits offered by this job

Health plan and vision/dental

Life Insurance

Disability Insurance

401(k) matching

Pet insurance discount

EAP

PTO and holidays

Education assistance

Job summary

PGTEK is seeking a Senior Network Administrator to design, configure, and maintain complex data center networks supporting AI workloads. The role is on-site in McLean, VA with potential relocation to Chantilly by year end, requiring TS/SCI clearance and IAM Level II certification.

You will lead Layer 2/3 topology design (BGP, VXLAN), implement Spine-Leaf fabrics, and ensure high availability. Travel up to 20% and collaboration with cross-functional teams are essential; the position includes a

Qualifications

• Proven experience designing, configuring, and managing complex BGP, VXLAN, and Layer 2/3 data center architectures.
• Experience with Spine-Leaf networks and RoCEv2 for high-speed transfers.

Responsibilities

• Design, configure, troubleshoot, and maintain data center networks.
• Collaborate with cross-functional teams to translate requirements into network solutions.
• Troubleshoot complex network issues and drive incidents to resolution.
• Provide guidance to junior engineers and support documentation efforts.

Skills

BGP

VXLAN

Layer 2/3 topologies

MCLAG

LACP

RoCEv2

Spine-Leaf fabrics

RDMA over Converged Ethernet

Troubleshooting

Communication

Teamwork

Travel up to 20%

Active TS/SCI clearance

IAM Level II certification

Tools

Linux NOS

Job description

PGTEK is seeking a Senior Network Administrator to design, configure, and maintain complex data center networks supporting AI workloads. The role is on-site in McLean, VA with potential relocation to Chantilly by year end, requiring TS/SCI clearance and IAM Level II certification.

You will lead Layer 2/3 topology design (BGP, VXLAN), implement Spine-Leaf fabrics, and ensure high availability. Travel up to 20% and collaboration with cross-functional teams are essential; the position includes a