Linux System Administrator

About the role

CACI is searching for a Linux System Administrator to support the FEMA Office of the Chief Information Security Officer (OCISO) in Washington, D.C. As a Linux System Administrator, you will play a crucial role in ensuring the security and operational resilience of FEMA's Linux-based infrastructure. You will work in a dynamic environment, collaborating with cybersecurity professionals, system owners, and enterprise administrators to implement and maintain secure server configurations across on-premises and hybrid environments. Your efforts will directly contribute to safeguarding FEMA's mission-critical systems and data. The Linux System Administrator will be responsible for securing Linux-based infrastructure supporting system reliability, hardening, patching, logging, and assessment readiness across on-premises and hybrid environments. This position requires leveraging DISA STIGs or CIS Benchmarks to reduce attack surfaces and implement security controls and configurations. The Linux System Administrator will configure firewalls, access controls, and harden system services while performing regular patching, software upgrades, and hotfixes on Linux servers. This role ensures high availability and uptime through proactive monitoring of system performance, health, and capacity.