About The Position

COLSA Corporation is seeking a Linux Systems Administrator to support the Missile and Space Intelligence Center (MSIC) in Huntsville, Alabama. The role helps maintain and optimize secure, high-performance computing (HPC) infrastructure supporting national security missions. The administrator manages Linux servers and HPC clusters and supports containerized environments to ensure mission-critical systems are reliable, performant, and secure.

Responsibilities

  • Drive the secure deployment and lifecycle management of Linux workstations, enterprise servers, and HPC clusters.
  • Administer local and remote filesystems, ensuring data integrity and high-speed network access.
  • Develop Shell and Python automation scripts to reduce manual work.
  • Implement and manage security measures, including firewall configurations and SELinux policies.
  • Use Ansible for configuration management and automation to ensure system consistency and rapid deployment.
  • Deploy and manage containerized environments using Docker, Podman, and Apptainer.
  • Maintain and optimize HPC cluster performance using Bright, Slurm, and xCAT.
  • Configure and optimize Linux networking services for high-bandwidth connectivity.
  • Create and maintain documentation for system configurations, operational playbooks, and strategic plans.
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