On-Site Network Administrator – TS/SCI, CCNA/IAT II

Centuria; Dahlgren (VA); On-site; USD 80,000 - 110,000; Full time

Job summary

Centuria seeks a Network Administrator to join the 19 SDS program at Dahlgren, VA. The role is 100% on-site in a SCIF environment requiring a TS/SCI-eligible candidate and IAT Level II certification.

Responsibilities include maintaining LAN/WAN networks, implementing security controls, and supporting NIPRNet/SIPRNet operations. The ideal candidate will have 3–5 years of related experience, familiarity with Cisco/Juniper equipment, and strong customer service and communication skills.

Qualifications

• Minimum 3–5 years of experience in operations and maintenance or contractor support.

Responsibilities

• Analyze, test, troubleshoot, and evaluate existing network systems (LAN/WAN/Internet) and perform maintenance to keep networks operational with minimal interruption.
• Provide on-site network operations, maintenance, administration, and management for NIPRNet/SIPRNet for the 19 SDS.
• Respond to incidents with rapid restoration actions; maintain 99.7% network availability.
• Configure and install network equipment, establish connections and firewall rules, and document changes.
• Monitor and maintain network performance, availability, utilization, throughput, and latency.
• Adhere to DISA STIGs, DoDM 8140.03 and AFI/AfMAN cybersecurity guidance and doD requirements.

Skills

Customer service

Written communication

Verbal communication

Self-motivation

Education

High School diploma or equivalent

Tools

Cisco equipment

Juniper routers

Firewalls

Job description

Centuria seeks a Network Administrator to join the 19 SDS program at Dahlgren, VA. The role is 100% on-site in a SCIF environment requiring a TS/SCI-eligible candidate and IAT Level II certification.

Responsibilities include maintaining LAN/WAN networks, implementing security controls, and supporting NIPRNet/SIPRNet operations. The ideal candidate will have 3–5 years of related experience, familiarity with Cisco/Juniper equipment, and strong customer service and communication skills.