Network Security Administrator

Leidos is seeking a Network Administrator to support secure, high‑availability networks for mission-critical government and commercial programs. In this role, you will configure and maintain routers, switches, firewalls, and VPNs; monitor performance; and troubleshoot complex connectivity and security issues. You’ll collaborate with cyber, systems, and application teams to implement resilient designs, support upgrades, and maintain documentation. Leidos offers competitive pay, robust benefits, …