System AdministratorLocation: Annapolis Junction, MDClearance Required: TS/SCI with PolygraphTelework: Based on taskingAbout the RoleWe're seeking a highly experienced System Administrator with strong, quantifiable Linux system administration expertise. In this role, you'll support a wide range of IT systems across multiple environments, working with modern automation tools, hyperconverged infrastructure, and container-based technologies. You'll join a mission-focused team where your technical depth, troubleshooting skills, and ability to keep systems running smoothly will make a direct impact every day.What You'll Work OnImplementing, troubleshooting, and maintaining IT systems across diverse environmentsProviding Tier 1 and Tier 2 support, including problem identification, diagnosis, and resolutionManaging daily configuration and operations of IT systemsAssisting users with system access and usageMonitoring and resolving issues across client/server, storage, network, and mobile devicesEscalating and communicating system status to management and internal customersOptimizing system operations, resource utilization, and capacity planningPerforming in-depth troubleshooting and analysis for complex IT issuesSupporting dispatch and hardware problem resolutionConfiguring and managing UNIX and Windows operating systemsInstalling, maintaining, and enhancing operating system software and network componentsSupporting system and mission architecture designApplying knowledge of system administration interdependencies within a Service-Oriented Architecture (SOA)Analyzing and resolving complex server hardware, application, and integration issuesRequired Technical SkillsStrong, hands-on Linux System Administration experienceAnsible scripting and automationSome Windows System AdministrationExperience with: ProxMoxCentrifyHarvesterRancherKubernetes / DockerHyperconverged Infrastructure (HCI) solutions such as: Azure Stack HCICisco HyperFlexDataCore SANsymphonyDell VxRailHPE SimpliVityNutanix HCINetApp HCIScale Computing PlatformQualifications15+ years of System Administration experience supporting programs of similar scope and complexityBachelor's degree in a technical discipline Five additional years of SA experience may be substituted for the degreeIAT Level II certification (per DoD ?M)