PLATFORM NETWORK ADMINISTRATOR (CI POLYGRAPH REQUIRED)

NorthHill Technology Resources LLC; Chantilly (VA); On-site; USD 120,000 - 150,000; Full time

Job summary

NorthHill Technology Resources LLC seeks a Platform Network Administrator to support a critical Intelligence Community Program in Chantilly, VA. This direct-hire role requires an active TS/SCI Clearance with CI Polygraph and offers growth in a high-security environment.

You’ll join a team of engineers building and operating data center networks for AI and HPC workloads, where ownership and continuous learning drive success.

Qualifications

• Requires strong troubleshooting, analytical, and problem-solving abilities.
• Excellent communication and collaboration skills.
• Willingness to learn and adapt to new technologies.
• Ability to travel up to 20% (domestic and international).

Responsibilities

• Assist in documenting, monitoring, maintaining, and troubleshooting data center networking infrastructure.
• Learn and develop expertise with advanced networking technologies such as BGP, ECMP, VXLAN, Spine-Leaf, MCLAG, RoCEv2.
• Identify performance trends and potential capacity constraints before impact.
• Work with engineers to deploy, optimize, and scale network infrastructure.
• Investigate incidents and drive root-cause analysis to resolution.
• Participate in upgrades, testing, and operational improvements.
• Continuously expand technical expertise through hands-on learning and training.
• Travel up to 20% as needed for deployments and support.

Skills

Troubleshooting

Analytical thinking

Problem solving

Communication

Collaboration

Willingness to learn

Travel up to 20%

Job description

PLATFORM NETWORK ADMINISTRATOR (CI POLYGRAPH REQUIRED)

• Chantilly, VA
• Information Technology

NorthHill Technology Resources has a need for a Platform Network Administrator to support a critical Intelligence Community Program in Chantilly, VA. This is a direct-hire role with our client, a highly-respected Federal Integrator. Qualified candidates must have an active TS/SCI Clearance with CI Polygraph.

Platform Network Administrator

This role is ideal for someone with a foundation in IT systems, infrastructure, technical support, or networking who is eager to grow into a highly skilled Network Administrator. What matters most is your curiosity, initiative, determination, and willingness to continuously learn.

You’ll join a team of experienced network, platform, and software engineers responsible for building and operating next-generation data center networks that support Artificial Intelligence (AI) and high-performance computing workloads. This is an opportunity to gain hands‑on experience with industry-leading technologies while developing expertise in large-scale, mission‑critical networking environments.

We’re looking for someone who takes ownership, enjoys solving difficult problems, and is excited by the challenge of learning new technologies. If you’re the type of person who likes to figure out how things work, improve processes, and continuously expand your knowledge, you’ll thrive in this role.

Key Responsibilities:

• Assist in documentation, 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.

Required 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).

Preferred Qualifications:

• Familiarity with networking fundamentals, including TCP/IP, routing, switching, VLANs, SNMP, and basic network troubleshooting.
• Experience with monitoring, telemetry, observability, alerting, or performance management tools.
• Exposure to Linux systems or Linux-based Network Operating Systems (NOS).

What Will Make You Successful:

• You are naturally curious and enjoy investigating how systems and technologies work.
• You take initiative and actively seek opportunities to improve processes, systems, and your own technical skills.
• You are comfortable tackling unfamiliar technologies and enjoy learning through hands‑on experience.
• You take ownership of problems and remain engaged until they are resolved.