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Open nowPosted 4 hours agoWe saw it 99 min after it went up

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

Workable (global search)107,801 open roles

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Chantilly, VA, United States
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Your applicationOpen nowNetwork Administrator - TS/SCI with CI Poly - Chantilly, VAWorkable (global search) · Chantilly, VA, United States

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8.0% of postings close within 7 days. Measured by our own scanner across the market. Workable (global search) postings stay open a median of 2 days.

Share of postings closed within
  1. 1.6%1 day
  2. 3.5%3 days
  3. 8.0%7 days
  4. 15.0%14 days
  5. 34.1%30 days
This job: posted 4 hours ago

Workable (global search) median: 2 days open

The posting

Network Administrator

Location: McLean, VA (with an opportunity to work from the Chantilly, VA location by the end of the year) Work Arrangement: Onsite, 5 days per week Travel: Up to 20% Clearance: Active TS/SCI with Counterintelligence (CI) Polygraph Certification Requirement: Current IAM Level II certification to satisfy DoD 8570 IAT requirements Salary: $158,000–$205,000

About the Role

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.

Requirements

  • 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).

Benefits

Our comprehensive benefits package for full-time salaried employees is effective immediately upon the start date. Benefits include comprehensive PPO medical coverage with access to a Health Savings Account (HSA) option, a vision plan, and dental insurance with the base dental plan option paid for by PGTEK. Life Insurance, Short and Long-Term disability, and Critical Illness insurance have premiums covered. Additionally, PGTEK offers a matching 401(k) plan and a discount on pet insurance through ASPCA Pet Insurance. An Employee Assistance Program is available at no cost to all employees. PGTEK offers a generous amount of PTO and Holidays, and an Education Assistance Program is available after 12 months of employment.

ABOUT PGTEK

PGTEK is a true consulting organization dedicated to helping clients achieve their business and technology objectives utilizing our decades of experience and business relationships. PGTEK invests in the educational advancements of our staff by providing the necessary resources to complete Professional and Business Certifications. Our company is our people, and we treat them like family.

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