Senior Network Administrator - TS​/SCI CI Poly

Senior Network Administrator

McLean, VA (with an opportunity to work from the Chantilly, VA location by the end of the year)

Onsite, 5 days per week

Up to 20%

Active TS/SCI with Counterintelligence (CI) Polygraph

Current IAM Level II certification to satisfy DoD 8570 IAT requirements

$175,000-$230,000

• Design, configure, troubleshoot, and maintain cutting-edge and complex Layer 2/3 data center architectures using BGP, ECMP, VXLAN, MCLAG, Spine-Leaf topologies, RoCEv2, and related technologies
• Collaborate with cross-functional teams to understand business requirements and translate them into effective network solutions
• Troubleshoot complex network issues and help drive incidents through resolution
• Provide expert technical guidance and support to junior team members, contributing to their professional growth and development
• Participate in network installations, upgrades, implementations, testing, and operational improvement initiatives
• Contribute to the documentation of network infrastructure designs, configurations, and operational procedures
• Stay current on networking trends, technologies, and best practices and proactively expand technical expertise
• Support the design, implementation, and optimization of networking infrastructure supporting AI and other demanding workloads
• Travel up to 20% as required to perform on-site installations, maintenance, troubleshooting, and operational support at customer sites or data centers

• Proven experience designing, configuring, and managing complex BGP, VXLAN, and Layer 2/3 data center architectures
• Expertise in designing and troubleshooting complex Layer 2/3 network topologies
• Experience with redundancy protocols such as MCLAG (Multi-Chassis Link Aggregation Group) or LACP
• Experience with Spine-Leaf data center fabrics, including architecture design and implementation
• Ability and willingness to develop and maintain expertise in RDMA over Converged Ethernet (RoCEv2) supporting ultra-high-speed data transfers
• Strong problem-solving skills, attention to detail, and commitment to quality work
• Excellent communication and teamwork skills, with the ability to collaborate effectively with cross-functional teams
• Ability to stay current with industry trends and technology advancements
• Ability and willingness to travel up to 20% domestically and internationally
• Active TS/SCI clearance with Counterintelligence (CI) Polygraph
• Current IAM Level II certification to satisfy DoD 8570 IAT requirements

• Experience with Linux-based Network Operating Systems (NOS)
• Experience mentoring or providing technical guidance to junior network professionals

Experience supporting high-performance or AI-focused data center environments.

• Proven experience designing, configuring, and managing complex BGP, VXLAN, and Layer 2/3 data center architectures
• Expertise in designing and troubleshooting complex Layer 2/3 network topologies
• Experience with redundancy protocols such as MCLAG (Multi-Chassis Link Aggregation Group) or LACP
• Experience with Spine-Leaf data center fabrics, including architecture design and implementation
• Ability and willingness to develop and maintain expertise in RDMA over Converged Ethernet (RoCEv2) supporting ultra-high-speed data transfers
• Strong problem-solving skills, attention to detail, and commitment to quality work
• Excellent communication and teamwork skills, with the ability to collaborate effectively with cross-functional teams
• Ability to stay current with industry trends and technology advancements
• Ability and willingness to travel up to 20% domestically and internationally
• Active TS/SCI clearance with Counterintelligence (CI)…