Full-time

Senior Network Engineer

Posted by System One • McLean, VA, United States

📍 McLean, VA 🕒 February 22, 2026

About the Role

Job Title: Senior Network Engineer
Location: Arlington, VA

Type: Contract To Hire
Contractor Work Model: Onsite
Security Clearance: Active Top Secret Clearance
Duties and Responsibilities:


+ Lead the design and implementation of OMC network infrastructure across multiple locations.

+ Provide operations and maintenance (O&M) support for NIPRNet, SIPRNet, JWICS, and SAP networks.

+ Install, monitor, manage, and support switches, routers, and data circuits for voice, data, and video systems.

+ Ensure secure configuration of network infrastructure in compliance with DoD cybersecurity policies.

+ Maintain and update as-built cabling/fiber documentation and network diagrams.

+ Install, configure, and maintain network encryption devices.

+ Manage IP address allocations to optimize performance and maintain network security.

+ Troubleshoot and resolve complex network issues, coordinating with inter...

Ready to Apply?

Submit your application today and take the next step in your career journey with System One.

Apply Now