DoD Network Engineer 3 — Onsite Fairfax, 24/7

Trident Systems; Fairfax (VA); On-site; USD 90,000 - 120,000; Full time

Benefits offered by this job

Health benefits

Paid time off

Holidays

401(k)

Tuition reimbursement

Leaves

Bonus potential

Job summary

Trident Systems in Fairfax, VA is seeking a Network Engineer 3 to join a DoD-focused program. The role requires hands-on enterprise networking experience, Cisco Catalyst platforms, multicast video transport, and virtualization in both classified and unclassified environments.

You will work with program leadership to ensure resilient, low-latency, secure network performance and contribute to system design, documentation, and 24/7 support in a demanding mission environment.

Qualifications

• Bachelor's degree in computer science or information systems, or equivalent.
• Minimum 4 years' networking experience (Switches/Routers) and Linux administration.
• CCNP Security certification.
• Active US DoD Secret clearance is required.
• Strong TCP/IP, routing protocols (OSPF/BGP/EIGRP) knowledge.
• Experience with multicast (PIM/IGMP) and video transport over IP.

Responsibilities

• Develop, design, and operate enterprise network solutions for mission-critical systems.
• Provide SME input for Cisco-based infrastructure including Catalyst 9400/8300 and Firepower platforms.
• Support secure DoD networks and 24/7 mission-critical operations.
• Create system design docs, configs, operator guides, and maintenance manuals.

Skills

Cisco Networking

Troubleshooting

TCP/IP

Linux administration

Education

Bachelor's degree in CS/IS or equivalent

Tools

VMware

FMC

Red Hat Linux

Job description

Trident Systems in Fairfax, VA is seeking a Network Engineer 3 to join a DoD-focused program. The role requires hands-on enterprise networking experience, Cisco Catalyst platforms, multicast video transport, and virtualization in both classified and unclassified environments.

You will work with program leadership to ensure resilient, low-latency, secure network performance and contribute to system design, documentation, and 24/7 support in a demanding mission environment.