System Administration TS/SCI Poly Security Clearance
Job in
Annapolis Junction, Howard County, Maryland, 20701, USA
Listed on 2026-07-24
Listing for:
EMTAK LLC
Full Time
position Listed on 2026-07-24
Job specializations:
-
IT/Tech
Systems Administrator, Unix/Linux, IT Support, Network Administrator
Job Description & How to Apply Below
Location: Annapolis Junction
We are seeking System Administrators at all experience levels to support mission operations sustainment activities, including system monitoring, troubleshooting, maintenance, and operational support within large-scale Linux environments. This position is heavily focused on Linux system administration in mission-critical environments supporting high-performance computing (HPC) infrastructure and operational platforms. Candidates should possess strong troubleshooting abilities and be comfortable supporting systems where each environment may require unique solutions and approaches.
Minimum Qualifications
* Active TS/SCI with Polygraph
Responsibilities
* Support mission operations sustainment activities including monitoring, troubleshooting, and system maintenance
* Install, configure, and maintain Linux operating systems and applications
* Perform file system configuration and system optimization
* Troubleshoot operating system, application, and network-related issues
* Support TCP/IP networking configuration and troubleshooting
* Compile, install, and maintain software packages and applications
* Develop and maintain Bash scripts to support operational efficiency and automation
* Support enterprise monitoring, alerting, and metrics platforms
* Collaborate with engineering and operations teams to maintain system stability and performance
* Participate in root cause analysis and issue resolution efforts
Required Qualifications
* Strong Linux system administration experience with:
* RHEL
* CentOS
* Rocky Linux
* SLES
* Ubuntu
* Experience with:
* OS installation and configuration
* File system management
* TCP/IP networking
* Operating system and application troubleshooting
* Bash scripting
* Software compilation and installation
* Understanding of High-Performance Computing (HPC) architecture
* Knowledge of high-speed networking technologies such as:
* Infini Band
* Slingshot
* Familiarity with the following tools and technologies:
* Jira
* Confluence
* Grafana
* Prometheus
* Nagios
* Slurm
* Git
* Salt
* Ansible
* Strong troubleshooting and analytical skills
* Ability to work independently in complex operational environments where systems and solutions may vary significantly
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