Job DescriptionCOLSA Corporation is seeking a
Linux Systems Administrator to support the
Missile and Space Intelligence Center (MSIC) in Huntsville, Alabama. In this role, you'll help maintain and optimize the secure, high-performance computing (HPC) infrastructure that supports critical national security missions. From managing Linux servers and HPC clusters to supporting containerized environments, you'll play a key role in ensuring the reliability, performance, and security of mission-critical systems.
Responsibilities:
- Drive the secure deployment and lifecycle management of Linux workstations, enterprise servers, and HPC clusters.
- Efficiently administer local and remote filesystems, ensuring data integrity and high-speed access across the network.
- Eliminate manual toil by developing sophisticated automation scripts using Shell and Python.
- Implement and manage robust security layers, including advanced firewall configurations and fine-tuned SELinux policies.
- Drive system consistency and rapid deployment using Ansible for configuration management and automation.
- Modernize workflows by deploying and managing containerized environments using Docker, Podman, and Apptainer.
- HPC Optimization: Maintain and push the performance limits of HPC clusters utilizing industry-leading tools like Bright, Slurm, and xCAT.
- Configure and optimize Linux networking services to ensure seamless, high-bandwidth connectivity.
- Author and maintain high-fidelity documentation for system configurations, operational playbooks, and strategic plans.
Required ExperienceRequired Qualifications- Associate's degree or higher in Cybersecurity, Information Technology, or a related field, or equivalent experience
- 0-12 years of relevant experience. Position may be filled at varying levels based on the candidate's education and experience.
- Must possess an active CompTIA Security+ CE, ISC2 SSCP, or equivalent baseline certification.
- Professional experience in Linux systems engineering (RHEL/Rocky preferred).
- U.S. Citizenship required; Must possess an active DoD Top Secret clearance with SCI eligibility. Candidates must be able to successfully complete a Counterintelligence (CI) Polygraph and meet eligibility requirements for Special Access Programs (SAP).
Preferred Qualifications - Active DoD Top Secret Clearance with SCI and a Counterintelligence (CI) Polygraph with willingness to meet Special Access Program (SAP) eligibility requirements.
- Certified in Linux with Linux+, RHCSA, LPIC, or similar Linux certification.
- Demonstrated experience with HPC Clusters.
- Virtualization Experience with Nutanix, KVM, Citrix, or similar.
Applicant selected will be subject to a government security investigation and must meet eligibility requirements for access to classified information.
