System Administrator

Clearance Required: Active TS/SCI with Full Scope Polygraph Citizenship: U.S. Citizenship Required Position Overview We are seeking candidates with strong Linux administration skills and a passion for solving complex technical challenges. Whether your expertise is in platform engineering, networking, or storage systems, you will play a critical role in ensuring the reliability, performance, and availability of mission‑essential environments. Responsibilities Monitor, maintain, and troubleshoot mission operations systems and infrastructure. Install, configure, and administer Linux operating systems and applications. Configure and manage file systems, networking services, and system resources. Perform operating system and application troubleshooting in complex environments. Develop and maintain Bash scripts to automate administrative tasks. Compile, install, configure, and support software applications. Support infrastructure automation and configuration management initiatives. Collaborate with engineering and operations teams to resolve system issues and improve performance. Document configurations, procedures, and troubleshooting processes. Participate in system upgrades, maintenance activities, and operational support. Note: Regardless of specialization, all team members are expected to perform core Linux system administration functions and contribute to overall system sustainment efforts. Required Qualifications Active TS/SCI with Full Scope Polygraph security clearance. CentOS Rocky Linux Ubuntu Experience with: Linux installation and configuration File system administration TCP/IP networking Operating system troubleshooting Application troubleshooting Bash scripting Software compilation and installation Strong analytical and troubleshooting skills. Ability to work independently and collaboratively in dynamic mission environments. Desired Qualifications Understanding of High‑Performance Computing (HPC) architectures. Experience supporting large‑scale enterprise or mission‑critical environments. Knowledge of high‑speed networking technologies including: InfiniBand Slingshot Experience with: Jira Confluence Grafana Prometheus Nagios Slurm Git Salt Ansible Storage & Network Engineering Preferred Experience Candidates with storage, networking, or infrastructure engineering backgrounds are highly encouraged to apply. Storage Technologies Lustre file system configuration, administration, and troubleshooting. Experience with DDN Exascaler file system appliances. Storage fabric design, implementation, and support. Storage performance tuning and optimization. Networking Technologies TCP/IP networking and storage networking concepts. Experience with enterprise routing and switching platforms, including: Cisco Juniper Arista Emerging Technologies E1000 Storage Systems Elastic Storage Nodes (ESNs) DAOS (Distributed Asynchronous Object Storage) Weka Data Platform Performance and Benchmarking Tools IOR iperf FIO Benefits Medical and Dental Coverage Short‑Term Disability (STD) Long‑Term Disability (LTD) Life Insurance 401(k) with up to 4% Company Match #J-18808-Ljbffr