TS/SCI Network Engineer — Secure WAN/LAN & Firewalls

General Dynamics Information Technology; Herndon (VA); On-site; USD 102,000 - 138,000; Full time

Benefits offered by this job

401K with company match

Health and wellness packages

Internal mobility team

Professional growth opportunities (教育/

Paid vacation and holidays

Job summary

General Dynamics Information Technology is seeking a Network Engineer in Herndon, VA to provide technical oversight of IT infrastructure projects, including capacity planning, system configuration, backups, and hardware/software installations. The role requires independence and flexibility to support IT Operations as needed.

Ideal candidates will have 5+ years in Network Engineering, active TS/SCI with Polygraph, and experience with Cisco/NGFW, LAN/WAN devices, and security posture enhancements.

Qualifications

• Active TS/SCI with Polygraph clearance required.
• Bachelor’s degree in Engineering or related field or 9 years of related experience.
• 5+ years of related Network Engineering experience.
• 3+ years configuring Cisco ASA/Next Generation Firewall.
• 4+ years configuring, designing, maintaining, and troubleshooting LAN/WAN devices.
• Thorough understanding of routing concepts (EIGRP, OSPF, BGP, IP MPLS).
• Experience with firewall management and deploying multi-firewall solutions.

Responsibilities

• Define, maintain, and upgrade the overall security posture of the networks.
• Perform security audits and implement changes to improve the security posture.
• Manage and allocate network installation and engineering tasks; configure and maintain network equipment.
• Create build-to and as-built documentation and test plans for IT installations.
• Engage in technical system planning beyond the network scope.
• Provide expert analysis of voice, video, and data networks and related OS and protocol upgrades.
• Plan network layouts and configurations for user environments.
• Provide Tier I–III technical support and troubleshooting as needed.

Skills

Cisco ASA Firewall

LAN

Networks

Technical Support

Education

Bachelor’s degree in Engineering or related field

Tools

Cisco ASA/Next Gen Firewall

Job description

General Dynamics Information Technology is seeking a Network Engineer in Herndon, VA to provide technical oversight of IT infrastructure projects, including capacity planning, system configuration, backups, and hardware/software installations. The role requires independence and flexibility to support IT Operations as needed.

Ideal candidates will have 5+ years in Network Engineering, active TS/SCI with Polygraph, and experience with Cisco/NGFW, LAN/WAN devices, and security posture enhancements.