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

Job description

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