Linux System Administrator

ManTech International seeks a Linux System Administrator to support critical national security missions. In this role, you will install, configure, secure, and maintain Linux servers supporting defense and intelligence customers. Responsibilities include system monitoring, patching, user and access management, troubleshooting, and performance tuning in secure enterprise environments. You'll automate tasks using scripting and tools like Ansible, support accreditation and compliance, collaborate with engineers and cyber teams, and document configurations. ManTech offers robust training, clear career paths, and a mission-driven, collaborative culture focused on integrity and innovation.