System Administrator

Job Role: System AdministratorJob location: Huntsville, ALJob duration: Full timeAbout the RoleOur client, a mission-focused technology organization, needs a senior Linux engineer to own the health and evolution of a mixed Linux, Windows and virtualized environment. You’ll be the go-to technical lead for server infrastructure, endpoint support and system design in a high-reliability setting.What You’ll Do• Own daily operations for servers and workstations: monitoring, alerting, fault resolution and performance tuning• Build, configure and troubleshoot physical, virtual and cloud-hosted systems• Architect platform and software layers that are secure, scalable and resilient• Spot weak points in the environment and fix them before they become outages• Plan and execute OS upgrades, software installs and patch cycles within change control guidelines• Guide application teams through deployments, patching and continuous improvement efforts• Partner with network, database, application and security teams, plus vendors and end users, to solve technical problems• Select and manage tools and hardware that safeguard data integrity• Run backup and archive schedules and manage media retention, including offsite rotation• Author and maintain SOPs, build records, architecture diagrams and configuration baselines• Perform recurring compliance checks on hardware and software against internal standards• Define test plans and acceptance criteria for infrastructure changesMust Haves• 6+ years in systems administration, infrastructure or deployment work• Deep hands-on Linux/UNIX experience• Experience with VMware or OpenShift• Solid Windows infrastructure knowledge• Bachelor’s in Computer Science, IT, Systems Engineering or similar• U.S. citizenship• Ability to pass a Public Trust background investigation and a drug/alcohol screeningNice to Haves• RHEL expertise• Ansible, Bash and PowerShell automation, including scripted data transfers between systems• Enterprise storage arrays (SAN/NAS)• Out-of-band server management (IPMI or similar)• Software-defined networking• CI/CD and DevSecOps pipelines, infrastructure as code, Agile environments• Red Hat or Security+ certification• Background supporting government, aerospace or other real-time critical systems