On-Site Network Administrator (TS/SCI) — CCNA/IAT II

Lever, Inc.; Virginia, Northern (MN, KY); Hybrid; USD 90,000 - 130,000; Full time

Job summary

Centuria, a Service-Disabled Veteran-Owned Small Business, is seeking a Network Administrator for the 19th SDS program at Dahlgren, VA. This on-site role requires TS/SCI eligible clearance and hands-on network operations experience.

You will analyze and troubleshoot LAN/WAN, maintain NIPRNet/SIPRNet, manage Cisco/Juniper equipment, and ensure 99.7% uptime while complying with DISA STIGs and DoD guidance. The position emphasizes rapid on-call support, documentation, and collaboration with

Qualifications

• 3–5 years in operations and maintenance or similar field.
• Clearance: TS/SCI or TS/SCI eligible.
• IAT Level II and CCNA certifications.
• High School degree or equivalent.

Responsibilities

• Analyze, test, troubleshoot, and evaluate existing network systems (LAN/WAN/Internet).
• Provide network operations, maintenance, administration for NIPRNet and SIPRNet.
• Offer extended on-call support for critical network infrastructure 24/7/365.
• Maintain network availability of 99.7%.
• Configure and test network equipment (Juniper, Cisco).
• Establish connections and firewall rules; document changes.

Skills

Customer service

Communication

Self-motivation

Security awareness

Troubleshooting

Education

High School diploma

Tools

Juniper routers

Cisco switches

Remedy

Job description

Centuria, a Service-Disabled Veteran-Owned Small Business, is seeking a Network Administrator for the 19th SDS program at Dahlgren, VA. This on-site role requires TS/SCI eligible clearance and hands-on network operations experience.

You will analyze and troubleshoot LAN/WAN, maintain NIPRNet/SIPRNet, manage Cisco/Juniper equipment, and ensure 99.7% uptime while complying with DISA STIGs and DoD guidance. The position emphasizes rapid on-call support, documentation, and collaboration with