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

Required:

• Bachelor’s degree (STEM/Business Admin) and 8 years of relevant, specialized experience;Associate’s degree and 10 years, or12 years of experience in lieu of the bachelors degree
  • Must meet TESA Qualification
• DoW8140 - 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 DoWSecret security clearance

Preferred:

• 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

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