System Administrator

About 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 DoOwn daily operations for servers and workstations: monitoring, alerting, fault resolution and performance tuningBuild, configure and troubleshoot physical, virtual and cloud-hosted systemsArchitect platform and software layers that are secure, scalable and resilientSpot weak points in the environment and fix them before they become outagesPlan and execute OS upgrades, software installs and patch cycles within change control guidelinesGuide application teams through deployments, patching and continuous improvement effortsPartner with network, database, application and security teams, plus vendors and end users, to solve technical problemsSelect and manage tools and hardware that safeguard data integrityRun backup and archive schedules and manage media retention, including offsite rotationAuthor and maintain SOPs, build records, architecture diagrams and configuration baselinesPerform recurring compliance checks on hardware and software against internal standardsDefine test plans and acceptance criteria for infrastructure changesMust Haves6+ years in systems administration, infrastructure or deployment workDeep hands-on Linux/UNIX experienceExperience with VMware or OpenShiftSolid Windows infrastructure knowledgeBachelor’s in Computer Science, IT, Systems Engineering or similarU.S. citizenshipAbility to pass a Public Trust background investigation and a drug/alcohol screeningNice to HavesRHEL expertiseAnsible, Bash and PowerShell automation, including scripted data transfers between systemsEnterprise storage arrays (SAN/NAS)Out-of-band server management (IPMI or similar)Software-defined networkingCI/CD and DevSecOps pipelines, infrastructure as code, Agile environmentsRed Hat or Security+ certificationBackground supporting government, aerospace or other real-time critical systems