Senior Systems & Network Engineer (TS/SCI)

General Dynamics Information Technology (GDIT); Maryland; On-site; USD 164,000 - 201,000; Full time

Job summary

General Dynamics Information Technology (GDIT) seeks a seasoned Systems/Network Engineer SME with 20+ years of hands-on experience. You will design rack configurations, secure DoD networks, and implement Cisco switches/routers/firewalls, Palo Alto devices, and security appliances. Strong diag and troubleshooting skills are essential.

The role requires TS/SCI w/ Poly, US citizenship, and collaboration within teams to deliver network services and security solutions across complex environments.

Qualifications

• 20+ years of related network engineering experience.
• Experience with CISCO switches/routers/firewalls including 9300 series.
• Active TS/SCI w/ Polygraph security clearance required.

Responsibilities

• Design and develop rack configurations and network diagrams.
• Hardening network security in DoW environments.
• Support SSP development and network monitoring with Wireshark/Tripwire.
• Evaluate message receiving functions and Acks/Nacks.
• Verify proper network configuration and firewall traffic.
• Install switches, fiber, cables, and security devices on SERD for SCS/ESB.

Skills

CCNA Networking

Network Administration

Network Flows

Network Management

Network Setup

Wireshark

Tripwire

Network Troubleshooting

Network Security

Education

HS Diploma

Tools

Cisco IOS

JIRA

Confluence

Wireshark

Tripwire

Packet Tools

Visio

Excel

Job description

General Dynamics Information Technology (GDIT) seeks a seasoned Systems/Network Engineer SME with 20+ years of hands-on experience. You will design rack configurations, secure DoD networks, and implement Cisco switches/routers/firewalls, Palo Alto devices, and security appliances. Strong diag and troubleshooting skills are essential.

The role requires TS/SCI w/ Poly, US citizenship, and collaboration within teams to deliver network services and security solutions across complex environments.