Senior Network Engineer

General Dynamics Information Technology • Rockville, MD

17d • Onsite

About The Position

GDIT is seeking a Senior Network Engineer to support the Health Resources & Services Administration (HRSA). The role owns the design, operation, and security of HRSA's network infrastructure while supporting enterprise LAN/WAN, firewall, and remote-access infrastructure. It is a hands-on engineering position that works directly with Project Managers, the Office of Information Security and Privacy (OISP), and desktop and server support teams. The position is onsite five days per week in Rockville, Maryland, and requires the ability to obtain a Public Trust.

The engineer configures and manages network and remote-access systems; implements RSA SecurID and RSA Authentication Manager solutions; designs, implements, and troubleshoots IPv4 and IPv6 network architectures; delivers technical solutions through the engineering design process; and collaborates with stakeholders on complex network projects. The role also develops solutions to networking challenges, maintains network integrity and compliance, supports backup and recovery capabilities, and monitors performance to identify and resolve issues.

GDIT describes itself as a global technology and professional services company serving government, defense, and intelligence customers. It has 26,000 experts and operates in more than 50 countries.

Requirements

• Bachelor's degree or equivalent combination of education and experience.
• At least 8 years of network engineering experience.
• Experience with TCP/IP, DNS, routing and switching, IPsec VPN, firewalls, and end-to-end connectivity troubleshooting, including PCAP analysis with Wireshark.
• Hands-on experience with Cisco switching and IOS upgrades, and with 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 experience.
• Excellent communication, documentation, and collaboration skills.
• Ability to obtain a Public Trust and pass a public trust background investigation.
• Must have resided in the U.S. for 3 of the last 5 years.

Nice To Haves

• Zscaler Certified Cloud Professional (ZCCP) or Zscaler Certified Cloud Administrator (ZCCA).
• Okta Certified Professional or higher.
• Experience with Cisco ISE, RSA SecurID, SolarWinds scripting, Azure networking (NSGs), Riverbed, Grafana, or Cribl.
• Hands-on experience administering Zscaler (ZIA, ZPA, ZDX).
• Experience integrating Okta or another identity provider with Zscaler via SAML/SCIM.

Responsibilities

• Configure and manage routers, switches, firewalls, and remote-access systems to support secure, scalable network operations.
• Implement and support RSA SecurID and RSA Authentication Manager solutions, including integration with VPNs, RADIUS, and enterprise authentication systems.
• Design, implement, and troubleshoot IPv4 and IPv6 network architectures, ensuring integration and scalability across environments.
• Develop innovative technical methods and 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 and 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 tools and proactively identify and resolve issues.

Benefits

• 401(k) plan with company match.
• Medical plan options, including options with Health Savings Accounts.
• Dental plan options.
• Vision plan.
• Paid education and certifications.
• Internal mobility support.
• Full flex work weeks where possible.
• Paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement, and jury duty leave.
• Short- and long-term disability benefits.
• Life, accidental death and dismemberment, personal accident, critical illness, and business travel and accident insurance are provided or available.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior