Patuxent River, MD, USA | Full Time Linux Systems Administrator JHNA is currently seeking a talented Linux Systems Administrator to support our NAVAIR customer at NAS Pax River. Roles/Responsibilities: + Installing, configuring and managing the Linux operating systems and related toolsets + Gathering requirements, developing and conducting design reviews + Maintaining servers to be compliant per NAVAIR and DISA policies + Functional knowledge of backup and disaster recovery technologies + Strong understanding of system security principles and experience executing hardening techniques + Documentation – updating and maintaining documentation and knowledge base, including system descriptions, procedures, events and processes + Building new infrastructure servers + Maintaining, administering and patching systems for optimum performance and security + Migrating or updating systems + Participating in weekly routine maintenance tasks + Responding to system failures promptly to bring applications back online + Installing and troubleshooting common industry COTS and GOTS applications + Performing Continuous Monitoring actions for systems and infrastructure including scanning, DoD STIG application and other Cyber compliancy actions + Work in an Agile scrum methodology to track and report on tasking + A background or working knowledge of scripting and automation tools Qualifications Required: + Candidate must have a current Secret Clearance. Must have ability to obtain a Top Secret, Interim Top Secret required to start. + Five (5) years' or more of hands-on experience working with UNIX/Linux and Windows. + Experience in DoD Information Assurance/Cyber policy and procedures to include hardening of systems, implementing Security Technical Implementation Guides (STIGs) and scanning. + Experience with Linux Server to include the build, maintenance, and troubleshooting, as well as addressing, service requests, routine sever maintenance (firmware, failures, hardening, etc.), and server consolidation. + Experience with UNIX/Linux, Red Hat, CentOS (Linux). + DoD 8140 & 5239 compliant (Security + certified and OS certificate/certification) (formerly 8570). + Working knowledge of supporting software development. + Critical thinking skills and the ability to "think-outside-the-box" to solve complex technical issues is essential. Desired Qualifications: + Familiarity with containerization concepts and tools + Understanding of container orchestration and management (Kubernetes, Docker Swarm). + Experience with CI/CD pipelines for containerized applications. + Experience with Ansible