Senior Network Engineer TS/SCI Eligible & Cross-Domain

System One is seeking a mid to senior level Network Engineer in Lorton, VA to support a mission-critical government environment. The role focuses on network infrastructure management, network security, cross-domain solutions, and modernization efforts, serving as the primary technical expert for enterprise networking operations.

The ideal candidate will hold a BS or higher with extensive experience, CCNP, and hands-on experience with Cisco LAN/WAN switches and Firewalls, and familiarity with