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# Network Administrator - TS/SCI with CI Poly - Chantilly, VA

- **Company:** THE PODMILSAK GROUP, INC.
- **Location:** Chantilly, VA, United States
- **Salary:** $158,000.0 - $205,000.0
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Border Gateway Protocol, Network Operating System (NOS), Data Centers, Linux, Identity and Access Management, Network Architecture, Networking Basics, Routing, Simple Network Management Protocols, TCP/IP, Virtual Local Area Networks, Software Troubleshooting, Data Center Networking, Information Technology
- **Published:** October 7, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9221814/network-administrator-tssci-with-ci-poly-chantilly-va

## About the Role

* 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 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.

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).

## Description

PGTEK is seeking a motivated Network Administrator to support high-performance data center networking infrastructure in a fast-paced and continuously evolving environment.

This is a growth-oriented opportunity for someone with a foundation in IT systems, infrastructure, technical support, or networking who wants to develop advanced data center networking expertise. You will work alongside experienced engineers while gaining hands-on experience with technologies including BGP, ECMP, VXLAN, Spine-Leaf architectures, MCLAG, and RoCEv2.

The ideal candidate is naturally curious, technically motivated, and excited to develop into a highly skilled data center networking professional.

Key Responsibilities

 * Assist with the documentation, monitoring, maintenance, and troubleshooting of high-performance data center networking infrastructure.
 * Learn 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 network incidents, perform root cause analysis, and help drive issues through resolution.
 * Participate in network upgrades, implementations, testing, and operational improvement initiatives.
 * Contribute to network documentation and operational procedures.
 * Continuously expand technical expertise through hands-on experience, self-directed learning, mentorship, and training.
 * Travel up to 20% as needed to support deployments, installations, maintenance activities, and operational support at customer sites or data centers.