> Markdown version of [/jobs/ext/2270727-cyber-systems-administration](https://www.wearedevelopers.com/jobs/ext/2270727-cyber-systems-administration). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Cyber Systems Administration - **Company:** Peraton Inc - **Location:** Sierra Vista, AZ, United States - **Experience:** Experienced - **Salary:** $66,000.0 - $106,000.0 - **Contract:** Permanent contract - **Skills:** Backup Devices, Unix, Red Hat Enterprise Linux, Backup and Restore, Scripting, Performance Monitor, Software Coding, Network Server - **Published:** August 27, 2026 - **Apply:** https://diversityjobs.com/main/sendform/8/8/28176/1/18088757?backUrl=%2Fcareer%2F18088757%2FCyber-Systems-Administration-Arizona-Fort-Huachuca ## About the Role * 2 years with BS/BA; 0 years with MS/MA; 6 years with no degree; 4 years w/associates * Active DoD Secret Clearance * Proven experience in RedHat Linux system administration. * Strong understanding of system security, performance monitoring, and troubleshooting. * Ability to work in a 24x7 support environment, including participation in an on-call rotation. Preferred Qualifications * Certifications in RedHat Linux or Unix OS administration. * Experience in enterprise-level IT environments. * Familiarity with automation tools and scripting languages. ## Description We are seeking a skilled and motivated RedHat Linux/Unix Systems Administrator to join our 24x7 enterprise support organization. The administrator will be responsible for developing, testing, implementing, and maintaining the operating system and related software. This role establishes and implements standards for computer operations to ensure compatibility between hardware and software, according to specifications and parameters. The ideal candidate will be a proactive individual who can work independently and collaboratively to ensure the stability, security, and performance of mission-critical systems. This position differs from an Operating Systems Programmer as it does not involve altering the operating system's software code., System Administration: Install, configure, and maintain servers running RedHat Linux operating systems, adhering to established internal processes. * Upgrades and Maintenance: Recommend hardware and software upgrades based on growth statistics. Schedule, plan, and perform system upgrades, including coordinating the transition from test to production environments. * Monitoring and Performance: Monitor log files and system performance to identify and resolve software, operating system, and networking problems in mission-critical systems. * Backups and Recovery: Schedule, perform, and monitor system backups and, when necessary, perform data recoveries. * Hardware Configuration: Configure hardware, such as workstations, printers, servers, and tape devices. * Support: Participate in an on-call rotation to provide timely support for UNIX/Linux-related issues and provide general technical support for system users. * Security Compliance: Follow standard operating procedures to maintain and enhance the security posture of the environment, including adherence to the DISA STIG (Security Technical Implementation Guide) process. * Task Automation: Schedule tasks using software support tools and scripts. * Collaboration & Prioritization: Work both independently and as part of a team to achieve organizational goals, effectively setting priorities and organizing tasks to meet deadlines. ## Related Videos - [WeAreDevelopers LIVE - Node and Package Security](https://www.wearedevelopers.com/videos/2138-wearedevelopers-live-node-and-package-security) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Hate organising your photos? 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