Linux Systems Administrator

System Administrator (Linux / HPC)Know your job match score, get recommended jobs and connect with recruiters looking for talent like you! Log in or create your free profileAnnapolis Junction, MD Bluffdale, UT Top Secret/SCI Full Scope Polygraph Mid Level Career (5+ yrs experience) $100,000 - $200,000Job DescriptionSystem Administrator (Linux / HPC) | TS/SCI FSP Maryland & Utah | 100% Onsite Salary: $100,000 - $200,000+ (Based on Experience) Active TS/SCI with Full Scope Polygraph Required Support Critical National Security Missions Sebenza is actively seeking talented System Administrators, Platform Engineers, Storage Engineers, and Infrastructure Engineers to join a highly technical team supporting some of the nation's most advanced computing and mission environments. If you are passionate about Linux, thrive in complex infrastructure environments, and enjoy solving challenging technical problems, this is an opportunity to make a direct impact on critical national security programs while working alongside elite engineering teams. We have immediate openings in Maryland and Utah for cleared professionals ranging from mid-level to senior-level expertise.What You'll Do As a member of the operations and engineering team, you will support highly available Linux-based environments responsible for mission-critical processing, storage, networking, and infrastructure services. Responsibilities include:Administering and maintaining Linux operating systems and applicationsMonitoring system health, performance, and availabilityTroubleshooting operating system, hardware, and application issuesInstalling, configuring, and upgrading Linux platformsManaging file systems, networking services, and infrastructure resourcesCreating and maintaining Bash scripts and automation toolsSupporting system modernization and automation initiativesCollaborating with engineering teams to resolve complex operational challengesDocumenting system configurations, procedures, and technical solutionsParticipating in system upgrades, sustainment activities, and operational supportRequired Qualifications MUST HAVE Active TS/SCI Clearance Active Full Scope Polygraph (FSP) U.S. Citizenship Linux System Administration Experience Experience with one or more of the following: Red Hat Enterprise Linux (RHEL) Rocky Linux CentOS Ubuntu SUSE Linux Enterprise Server (SLES) Strong experience in: Linux installation and configuration System administration File system management TCP/IP networking OS troubleshooting Application troubleshooting Bash scripting Software installation and compilationPreferred Technical Experience Candidates with expertise in the following areas are especially encouraged to apply: High Performance Computing (HPC) HPC Infrastructure Distributed Computing Environments Cluster Operations Performance Optimization Storage Technologies Lustre File Systems DDN Exascaler Storage Fabrics Enterprise Storage Performance Tuning Networking Cisco Juniper Arista High-Speed Networking InfiniBand Slingshot Automation & Monitoring Ansible Salt Git Grafana Prometheus Nagios Slurm Jira Confluence Emerging Technologies Experience or interest in: DAOS Elastic Storage Nodes (ESN) Weka Data Platform High-Performance Storage Systems Performance & Benchmarking Tools IOR FIO iperf lnet_selftestWhat Makes You Successful We are looking for professionals who: Take ownership and initiative Think critically and solve complex problems Enjoy learning new technologies Thrive in collaborative engineering environments Possess exceptional troubleshooting skills Are driven by mission success and operational excellence Compensation & Benefits Competitive Compensation $100,000 - $200,000+ base salary Compensation aligned to experience, clearance level, and technical expertise