Linux System Administrator (TS/SCI FSP) | HPC & Mission Systems

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., Administering and maintaining Linux operating systems and applications Monitoring system health, performance, and availability Troubleshooting operating system, hardware, and application issues Installing, configuring, and upgrading Linux platforms Managing file systems, networking services, and infrastructure resources Creating and maintaining Bash scripts and automation tools Supporting system modernization and automation initiatives Collaborating with engineering teams to resolve complex operational challenges Documenting system configurations, procedures, and technical solutions Participating in system upgrades, sustainment activities, and operational support

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 compilation Preferred 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

DAOS Elastic Storage Nodes (ESN) Weka Data Platform High-Performance Storage Systems Performance & Benchmarking Tools IOR FIO iperf lnet_selftest What 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