Platform Network Engineer (TS/SCI with CI Poly)

NorthHill Technology Resources LLC; Chantilly (VA); On-site; USD 110,000 - 170,000; Full time

Job summary

NorthHill Technology Resources LLC seeks a Platform Network Engineer (CI Polygraph required) to support critical IC programs in Chantilly, VA. You will join a team building and operating next‑generation data center networks for AI workloads, with opportunities to grow in advanced networking technologies and large-scale, mission-critical environments.

You will contribute to documentation, deployment, troubleshooting, and capacity planning while collaborating with seasoned engineers.

Qualifications

• Strong troubleshooting, analytical, and problem-solving skills.
• Self-motivated with a strong sense of ownership, accountability, and follow-through.
• Excellent communication and collaboration skills.
• Ability to work effectively in a fast-paced environment where technology is continuously evolving.
• Willingness and enthusiasm to continuously learn and develop new technical skills.
• Ability to travel up to 20% (domestic and international).

Responsibilities

• Assist in documenting, monitoring, maintaining, and troubleshooting high-performance data center networking infrastructure.
• Learn, support, and progressively develop expertise with advanced networking technologies, including BGP, ECMP, VXLAN, Spine-Leaf architectures, MCLAG, RoCEv2, and related technologies.
• Assist in identifying performance trends, capacity constraints, and emerging issues before they impact services or customers.
• Partner with experienced engineers to deploy, optimize, and scale network infrastructure supporting AI and other demanding workloads.
• Investigate incidents, perform root cause analysis, and drive issues to resolution.
• Participate in network upgrades, implementations, testing, and operational improvement initiatives.
• Continuously expand technical expertise through hands-on experience, self-directed learning, mentorship, and training opportunities.
• Travel up to 20% as needed to support deployments, installations, maintenance activities, and operational support.

Skills

Troubleshooting

Ownership & accountability

Communication

Adaptability

Lifelong learning

Travel readiness

Tools

Linux NOS

Job description

NorthHill Technology Resources LLC seeks a Platform Network Engineer (CI Polygraph required) to support critical IC programs in Chantilly, VA. You will join a team building and operating next‑generation data center networks for AI workloads, with opportunities to grow in advanced networking technologies and large-scale, mission-critical environments.

You will contribute to documentation, deployment, troubleshooting, and capacity planning while collaborating with seasoned engineers.