1h 41m ago
HPC Linux Systems Administrator (MSIC)
linuxpythonansibledockerpodman
On-site
|United States of AmericaHPC Linux Systems Administrator (MSIC)
COLSA | Defense and government services
1h 41m agoOn-site
Full Time
United States of America
HPC Linux Systems Administrator (MSIC)
Tracking Code
9870-987
Posted Date
11/13/2026
Job Location
Huntsville, Alabama
Location of Position
Huntsville, Alabama
Work Arrangement
On Site: 100%
Position Type
Full-Time/Regular
Clearance Required?
Yes
Level of Clearance Required
TS-SCI
COLSA 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.
At COLSA, people are our most valuable resource and are at the center of our core values. We invite you to unite your talents with opportunity and become part of our “Family of Professionals!” Learn more about our employee-centric culture and benefits here:
Required Experience
Required 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. COLSA Corporation is an Equal Opportunity Employer, Minorities/Females/Veterans/Disabled. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, or national origin.
Salary Type
Annually
The salary range, if referenced, represents a good faith estimate. COLSA considers various factors when determining base salary offers, but not limited to, location, the role, function and associated responsibilities, a candidate’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements.
COLSA offers a comprehensive and customizeable benefits program which includes Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, Accidental Death & Dismemberment, Supplemental Income Protection Programs, 401(k) with company match, Flexible Spending Accounts, Employee Assistance Program, Education & Certification Reimbursement, Employee Discount Program, Paid Time Off and Holidays.
This position will be posted for a minimum of 3 business days. If a candidate has not been selected at that time, it will continue to be posted until a suitable candidate is selected or the position is closed.
Required Skills
linuxpythonansibledockerpodman
Required Languages
🇬🇧 English