Network Systems Administrator

ManTech International El Segundo, United States Posted 11 Sept 2026

About this role

ManTech International seeks a Network Systems Administrator to support mission-critical federal programs. In this role, you will configure, secure, and maintain enterprise networks, servers, and related infrastructure across classified and unclassified environments. Responsibilities include monitoring performance, troubleshooting outages, implementing patches and upgrades, and enforcing security controls aligned with federal standards. You will collaborate with cyber, systems engineering, and m…

How to apply

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