Senior Systems Administration Support (UNIX/Linux OS) / Active Secret

Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees solve the most daunting challenges that our customers face. Visit peraton.com to learn how we're keeping people around the world safe and secure.

About The Role

Peraton is seeking to hire a Senior Systems Administration Support (UNIX/Linux OS) for the Regional Cyber Center-Europe program.

Location: On-site, Wiesbaden, Germany

Responsibilities:

• Manage and maintain RedHat Enterprise Linux (RHEL) server infrastructure across multiple RCC-E enclaves, performing system builds, configuration management, performance tuning, and lifecycle administration in support of enterprise cyber defense services
• Configure and sustain defensive cyber service platforms hosted on Linux infrastructure, including network sensors, log aggregation systems, and security analytics tools supporting RCC-E's CSSP-D mission
• Administer identity and authentication management systems using RedHat Identity Management (IdM) and Keycloak, managing user accounts, Kerberos/LDAP integration, and role-based access controls across the enterprise
• Implement and maintain STIG compliance and RMF documentation for all managed UNIX/Linux systems, conducting regular SCAP scans, remediating findings, and supporting ATO maintenance activities in coordination with the ISSM/ISSO
• Deploy and manage containerized applications using Podman and Kubernetes/OpenShift, supporting the development and operations of cyber tools and enterprise services in a hardened, DoD-compliant container environment
• Support data center operations including server rack management, storage integration, backup/recovery procedures, and coordination with facilities personnel to ensure physical and environmental security of hosted systems

Required:

• Bachelor's degree (STEM/Business Admin) and 8 years of relevant, specialized experience; Associate's degree and 10 years, or 12 years of experience in lieu of the bachelors degree
• Must meet TESA Qualification
• DoW 8140 - IT (System Administrator) - Advanced
• Certifications - must hold one active certification (one of the following):
• UNIX Certified Administrator; OR
• RHCE (Red Hat Certified Engineer); OR
• RHCSA (Red Hat Certified System Administrator); OR
• RHCA (Red Hat Certified Architect)
• Demonstrated 4+ years of UNIX/RedHat Server OS experience
• Demonstrated 2+ years of experience with HP-UX, Solaris, or RedHat Linux; 2 years with U.S. military C2 or commercial LAN/WAN systems
• U.S. citizenship required
• Active DoW Secret security clearance

• Proficiency with Bash and Python scripting for system automation, configuration management, and security compliance tasks
• Experience with SaltStack or Ansible for configuration management and automated STIG remediation at scale
• Familiarity with Network IDS platforms (Suricata, Snort, Zeek) and GigaMon packet broker administration
• Experience with GitLab for source code management, CI/CD pipeline development, and infrastructure-as-code workflows
• Knowledge of Podman and Kubernetes/OpenShift container orchestration in hardened, air-gapped environments
• Experience with RedHat IdM and Keycloak for enterprise identity federation and SSO integration
• Familiarity with VMware vSphere administration for Linux VM management and resource optimization
• Experience with network IDS sensor tuning, signature management, and integration with SIEM platforms

Target Salary Range: $112,000 - $179,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual's experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.

Benefits Statement: Peraton offers eligible employees a variety of benefits including medical, dental, vision, life, health savings account, short/long term disability, EAP, parental leave, 401(k), paid time off (PTO) for vacation, and company paid holidays. A full listing of available benefits can be viewed at https://www.careers.peraton.com/benefits.

Application Statements: The application period for the job is estimated to be 30 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates. By applying to this job, you are expressing interest in the role and the Company. During the review of your application, you may be required to participate in an on-camera interview, as well as participate in a process to verify your identity.

EEO:Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.