Caribou Thunder LLC · 18 hours ago
System Administrator
Colorado Springs, CO
Full-time
Onsite
Mid, Senior Level
2+ years expCaribou Thunder is a HUBZone-certified small business providing advanced technical and engineering services to the U.S. Department of War and its mission partners. The System Administrator will support enterprise classified networks, manage Red Hat-based systems, and ensure system reliability while collaborating with various engineering teams.
Cyber SecurityInformation TechnologySoftware
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Serve as a Linux System Administrator supporting enterprise classified networks
Provision, integrate, and maintain Red Hat–based systems supporting development and mission environments
Implement and manage HPE High Performance Computing (HPC) clusters
Diagnose system issues, execute corrective actions, and support continuous system reliability
Perform system upgrades, patching, monitoring, and configuration management
Manage user accounts, permissions, and security access controls
Collaborate with cybersecurity, hardware, software, and systems engineering teams
Communicate technical information clearly to stakeholders at all organizational levels
Qualification
Required
U.S. Citizenship required
Active DoD Secret clearance at time of application
Bachelor's degree with 2+ years of experience OR Master's degree with 0 years of experience OR 6+ years of total experience in lieu of degree
Bachelor's degree with 5+ years of experience OR Master's degree with 3+ years of experience OR 9+ years of total experience in lieu of degree
IAT Level II certification or higher (e.g., Security+ CE)
Experience administering Red Hat Enterprise Linux 8/9
Experience with Ansible automation
Experience with Red Hat Identity Manager (IDM)
Experience with Red Hat Satellite Server configuration and management
Experience creating and maintaining user and computer accounts
Experience managing file permissions and security access lists
Experience testing new product releases for compatibility and user impact
Ability and willingness to travel up to 25% (CONUS and/or OCONUS)
Preferred
Active DoD Top Secret clearance with ability to obtain SCI
Experience managing HPE High Performance Computing (HPC) clusters (e.g., HPE CM)
Experience with MPI implementations (IntelMPI, OpenMPI, MPICH)
Experience with InfiniBand networks and protocols
Experience with NVIDIA CUDA libraries and GPU environments
Experience with job schedulers such as Slurm or PBS
Experience with global and parallel file systems (e.g., GPFS)
Experience with Data Diode or Cross Domain Solution (CDS) technologies
Experience with Agile methodologies and Atlassian tools (JIRA, Confluence)
Experience with Cameo or similar Model-Based Systems Engineering (MBSE) tools
Benefits
Premium Health, Dental & Vision Insurance
401(k) with 6% Company Match
Flexible PTO & Work Schedule
Education & Certification Reimbursement
Support for Military Leave
Work–Life Balance & Traditional Family Values
Company
Caribou Thunder LLC
For the past 2 decades, Caribou Thunder has been a merit-based company driven by performance, innovation, and an unwavering commitment to advancing national security.
51-200 employees
Funding
Current Stage
Growth StageLeadership Team
Tom Piffarerio, CPA, MBA
Chief Operating Officer
Rita Peterson
C.E.O. and Founder
Recent News
Seattle TechFlash
2025-05-10
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