Senior Network Security Architect — Firewalls & WAN

General Dynamics - IT; Herndon (VA); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

401K with company match

Comprehensive health and wellness

Paid education and certifications

Career growth opportunities

Paid vacation and holidays

Job summary

General Dynamics - IT is seeking a Network Engineer to design technical solutions for complex problems and provide technical oversight of project solutions. The role includes interpreting requirements, planning capacity, and ensuring industry best practices for security and cost efficiency.

You will define IT infrastructure needs, design solutions including backups, hardware/software installations, and ongoing monitoring across LAN/WAN environments.

Qualifications

• Active TS/SCI with Poly clearance required.
• Bachelor’s or Technology degree in Engineering or related field, or equivalent 14 years of experience.
• 10+ years of related Network Engineering experience.

Responsibilities

• Define, maintain, and upgrade the overall security posture of the networks.
• Perform security audits of events and health, implementing changes to improve security posture.
• Manage and allocate network installation and engineering tasks; configure and maintain devices and LAN/WAN infrastructure.
• Write and edit build-to and as-built documentation and test plans for installations.
• Plan network layouts and configurations for user environments; provide Tier I–III support.

Skills

TS/SCI with Poly

Network engineering

Security posture

LAN/WAN design

Firewall configuration

Documentation (build-to/as-built)

Technical mentoring

Customer collaboration

Education

Bachelor’s or Technology degree in Engineering or related field

Tools

Cisco ASA/NGFW

Juniper firewall

Palo Alto firewall

Job description

General Dynamics - IT is seeking a Network Engineer to design technical solutions for complex problems and provide technical oversight of project solutions. The role includes interpreting requirements, planning capacity, and ensuring industry best practices for security and cost efficiency.

You will define IT infrastructure needs, design solutions including backups, hardware/software installations, and ongoing monitoring across LAN/WAN environments.