Senior Network Engineer - Secure Enterprise Networking

General Dynamics Information Technology, Inc.; Rockville (MD); On-site; USD 120,000 - 150,000; Full time

Benefits offered by this job

401(k) with company match

Comprehensive health and wellness

Paid education and certifications

Internal mobility support

Job summary

General Dynamics Information Technology, Inc. seeks a Senior Network Engineer to own the design, operation, and security of HRSA's network infrastructure and related enterprise LAN/WAN. This hands-on role collaborates with PMs, the Office of Information Security and Privacy, and desktop/server teams.

You will configure routers, switches, firewalls, VPNs, and remote access systems, while ensuring 99.9% uptime and regulatory compliance across environments.

Qualifications

• Bachelor's degree or equivalent combination of education and experience.
• 8+ years of network engineering experience with TCP/IP, DNS, routing/switching, IPsec VPN, firewalls, and PCAP analysis.
• Hands-on Cisco switching/IOS upgrades and at least one enterprise firewall platform (Cisco ASA/Firepower or Palo Alto/Panorama).
• Experience in federal or enterprise environments with strict compliance and 99.9%+ uptime requirements; familiarity with NIST 800-53, TIC 3.0, and CISA BODs.
• Formal change-management experience and TLS certificate lifecycle management.
• Excellent communication, documentation, and collaboration skills.

Responsibilities

• Configure and manage routers, switches, firewalls, and remote access systems in support of secure and scalable network operations.
• Implement and support RSA SecurID / RSA Authentication Manager solutions, including integration with VPNs, RADIUS, and enterprise authentication systems.
• Design, implement, and troubleshoot IPv4 and IPv6 network architectures, ensuring seamless integration and scalability across environments.
• Provide innovative methods and technical solutions using the engineering design process.
• Collaborate with Project Managers, engineers, and stakeholders to deliver complex network projects on time and within scope.
• Analyze customer and business requirements to develop technical solutions for complex networking challenges.
• Ensure network integrity, security, and compliance with federal and organizational policies, including backup and recovery capabilities.
• Monitor network performance using industry-leading tools, proactively identifying and resolving issues.

Skills

TCP/IP

DNS

Routing & Switching

IPsec VPN

Firewalls

Wireshark

Cisco IOS

NIST 800-53

Education

Bachelor's degree or equivalent

Tools

Cisco ASA/Firepower

Palo Alto/Panorama

Zscaler

Okta

Azure networking

Riverbed

Grafana

Cribl

Job description

General Dynamics Information Technology, Inc. seeks a Senior Network Engineer to own the design, operation, and security of HRSA's network infrastructure and related enterprise LAN/WAN. This hands-on role collaborates with PMs, the Office of Information Security and Privacy, and desktop/server teams.

You will configure routers, switches, firewalls, VPNs, and remote access systems, while ensuring 99.9% uptime and regulatory compliance across environments.