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# Linux CNO Systems Administrator (TS/SCI with Polygraph)

- **Company:** Red Alpha
- **Location:** United States
- **Experience:** Expert
- **Salary:** $160,000 - $195,000
- **Contract:** Permanent contract
- **Skills:** Amazon Web Services, Systems Engineering, Cloud Computing, Cursor, Linux, GeoServer, Lightweight Directory Access Protocols (LDAP), Link 16, Linux System Administration, Software Engineering, Software Requirements Analysis, Systems Architecture, Systems Integration, Okta, Information Technology, Apache Nifi, Hardware Infrastructure
- **Published:** November 5, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=2f1e1e9963424950

## About the Role

As a Linux CNO Systems Administrator you will support the design, integration, maintenance, and optimization of secure and reliable systems. You will collaborate with cross-functional teams, government representatives, and mission partners to address technical challenges, evaluate system requirements, and ensure solutions meet mission objectives. This role requires strong technical problem-solving skills, attention to detail, and the ability to communicate effectively with both technical and non-technical stakeholder.

*This position requires participation in a rotating weekly on-call schedule to provide after-hours support.*
What you bring to the table:

 * 10+ years of experience as a System Administrator on programs of similar scope and complexity
 * A Bachelor's Degree in Computer Science or a relevant discipline from an accredited institution or five (5) additional years of experience will be considered in lieu of a degree.
 * Strong Linux systems administration and engineering experience, with working knowledge of Windows operating systems.
 * Experience troubleshooting and resolving complex technical issues involving server hardware, applications, and software integration.
 * Experience with system hardening, patching, and maintenance to ensure secure, reliable, and efficient performance.
 * Strong communication skills and ability to engage with program personnel, government representatives, mission partners, and senior executives.
 * Experience collaborating with developers and testers on software development, system integration, verification, and mission validation.
 * Ability to ensure the technical integrity, accuracy, and quality of systems engineering deliverables.
 * Experience developing and maintaining technical documentation, system architectures, and design documentation.
 * Ability to assess user needs, identify technical challenges, and evaluate system and network requirements to support mission objectives.
 * Active TS/SCI clearance with polygraph.

Bonus Skills:

 * Proficiency in cloud technologies, particularly Amazon Web Services (AWS).
 * Ability to independently assess project requirements, determine technical approaches, and implement solutions to complex challenges.
 * Familiarity with Keycloak, LDAP, GeoServer, and Apache NiFi.
 * Knowledge of tactical data links and technologies, including Link 16, IBS, and Cursor-on-Target (CoT).
 * Ability to collaborate with cross-functional teams in a mission-driven environment.
 * Knowledge of Information Assurance principles and experience supporting security and compliance activities.