Linux System Administrator

Position Introduction/Key Duties

Cimarron is seeking a Linux System Administrator to support the Missile Defense Agency (MDA) on the Integrated Research and Development for Enterprise Solutions (IRES) contract at Schriever Space Force Base in the Colorado Springs, CO area.

Key Duties

• Serve as a technical focal point for the architecture, sustainability, and advanced troubleshooting of physical and virtual Linux-based environments.
• Bridge the gap between traditional infrastructure maintenance and modern containerization by administering VMware Tanzu and container repositories.
• Collaborate closely with network, system, and cybersecurity engineers to provide engineering support and ensure the infrastructure is optimized for high availability.
• Leverage automation and modern system administration methodologies, you will streamline system monitoring, manage complex backups and disaster recovery, and execute software deployments.
• Responsibilities that include implementing critical cybersecurity mitigations, managing standard operating procedures (SOPs), and ensuring all Linux infrastructure aligns with established service level agreements (SLAs) and mission readiness requirements.

Required/Desired Skills, Experience, And Education

Required Skills, Experience, and Education:

• Due to facility security requirements, only U.S. citizens are eligible for consideration at this time.
• Ability to complete a pre-employment background check and drug screening, which will include, but is not limited to, testing for marijuana use.
• This position requires access to federal facilities. Candidates must possess a valid, unexpired Real ID-compliant driver's license or state-issued identification card at the time of hire. If you are unsure whether your ID is Real ID-compliant, please check for the star symbol in the upper portion of your driver's license or state ID.
• Active Secret Clearance.
• 12 or more years of general, full-time work experience.
• 4 or more years of directly related experience in Linux operating systems and server management.
• 6 or more months of experience working in a management or leadership role.
• Experience with scripting and automation tools (e.g., Bash, Python, Ansible).
• Demonstrated ability to manage medium-scale technical initiatives and troubleshoot complex systems.
• Experience deploying and configuring Ansible Automation Platform
• Experience with Linux Content Management.
• Experience with fapolicy and selinux.
• Experience with Red Hat Enterprise Linux 9.
• Experience with Red Hat Satellite and Capsule.
• Experience with Red Hat Identity Manager.
• Current DoD-approved 8570 Level II certification (ex., Security+ CE).

Desired Skills, Experience, Or Education

• Bachelor’s degree in Information Technology or related field.
• 1 or more years of MDSEA experience.
• Valid Red Hat Certified System Administrator Certification.
• Active DoW Top Secret Security Clearance.
• Strong background in process automation and modern system design.
• Expertise in refining standard processes and documenting architectural changes.

This position is anticipated to close to applications on October 27, 2026. If the application window is extended, this posting will be updated.

Business Profile

Cimarron is a global solutions company with a strategic partnering approach to satisfying customer-driven requirements. We ensure customer success with a modern approach and experienced leadership. Driven by an entrepreneurial spirit, Cimarron is fueled by highly skilled employees, developing new innovative technologies, and delivering superior products and services. We believe in recognizing employees' worth by offering competitive salaries and benefits, including health, dental, and vision insurance, 401(k) contributions, educational reimbursement, and much more. From company communication through Company-wide information meetings led by our President and CEO, to an Awards program designed to recognize our amazing employees and their accomplishments, you will not only feel like you are a part of a team, you will be a valued member of the Cimarron family. Cimarron is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, age, sex, sexual orientation, gender identity, religion, national origin, disability, veteran status, or any other characteristic protected by federal, state, or local law.