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Updated daily · Sep 26, 2026
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Senior Network Administrator

General Dynamics Mission Systems (GDMS)Scottsdale, AZFull-timeUSD $126,862.00 - USD $137,269.00 /Yr.

This position provides senior-level administration and troubleshooting for switches, routers, firewalls, VPNs, identity controls, and TACLANE devices supporting multiple defense programs and sites. The administrator will work with network architects, security and assurance teams, program groups, vendors, carriers, and site personnel to implement changes, resolve outages, and support new deployments. The role also includes monitoring performance, hardening systems, remediating vulnerabilities, maintaining documentation, and contributing to audit and authorization activities. The successful candidate will help standardize infrastructure and prepare the environment for a future eWAN architecture while mentoring other network staff. It suits an experienced network professional who is comfortable with hands-on work in secure Department of Defense environments and can work full-time onsite in Scottsdale with occasional on-call duties and travel.

Requirements

Bachelor’s degree or equivalent relevant education and experienceAt least 8 years of relevant experience; 10+ years preferredActive DoD Secret clearance and U.S. citizenshipCCNP and Security+ or CCNP Security certificationHands-on Cisco routing, switching, ISE, VPN, and firewall experienceAbility to work onsite in Scottsdale with occasional on-call support and travel
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Listed August 20, 2026 · Verify details with the employer before applying.

About General Dynamics Mission Systems (GDMS)

Scottsdale campus develops advanced communications, cyber, and mission-critical electronics for defense and space programs.

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