Senior Linux HPC Systems Administrator (TS/SCI)
$202.3k - $273.7kPraxis Engineering
Praxis Engineering is seeking a Systems Administrator SME in Annapolis Junction, MD. This role involves providing network management and systems administration for High-Performance Computing (HPC) infrastructure. Candidates should have 15+ years of experience, strong skills in Bash and Python scripting, and knowledge of large-scale cluster environments. The position offers a competitive salary range of $202,300 to $273,700, along with robust benefits including medical, 401(k) plans, and paid time off. #J-18808-Ljbffr Praxis Engineering
- 6AM City, LLC is seeking a Senior System Administrator specializing in Linux and High Performance Computing (HPC) infrastructure. You will provide network management and systems... ...scripting languages like Bash and Python. A TS/SCI w/Poly clearance is required, and you will...Senior
$206k - $212k
...Inc is searching for a Test Engineer to validate HPC systems and ensure compliance with test plans. Candidates... ...years of relevant experience, particularly with Linux and automation scripting, alongside a current TS/SCI w/Poly clearance. The role is based in Annapolis...Senior$119.5k - $275k
...HPE is seeking a passionate and skilled Linux Systems Administrator to provide system management, daily... ...computing solution. Security Clearance TS/SCI With Full Scope Poly Clearance... ...equivalent work experience 3+ years’ HPC‑related experience, ideally with large...SuggestedFull timeWork experience placementWork at office$119.5k - $275k
...Packard Enterprise seeks a passionate Linux Systems Administrator in Annapolis Junction, Maryland. This... ...onsite role requires US citizenship and TS/SCI clearance. Responsibilities include... ...knowledge and 3+ years of experience in HPC environments. Competitive salary range...Suggested- Role, Inc. is looking for System Administrators in Maryland to support mission-critical operations. Candidates should have strong Linux administration skills and experience in monitoring... ...dynamic environments, requiring an active TS/SCI with Polygraph clearance. Benefits...Suggested
- Cornerstone Defense is seeking a Systems Administrator IV in Annapolis Junction, MD. This role requires active TS/SCI clearance with Polygraph and involves managing UNIX and NT... ...experience, as well as expertise in HPC systems and various certifications. Competitive...Senior
- Reflexive Concepts is looking for a skilled System Administrator (Level 2) to join their team in... ...will monitor, troubleshoot, and maintain Linux-based high-performance computing systems... ...relevant Bachelor’s degree, and an active TS/SCI clearance with a full-scope polygraph....
- ...seeking a Front Line Engineer to support the NSA. The ideal candidate will have extensive experience in system administration and LAN management, along with an active TS/SCI Full Scope Poly clearance. Responsibilities include configuring system software, providing technical...SeniorShift workNight shift
$120k - $190k
AV is seeking a System Administrator to support the implementation and maintenance of IT systems. This role involves managing Linux systems, troubleshooting issues, and optimizing system operations... ...experience, along with an active TS/SCI with Polygraph. The position offers...Senior- ...Dynamics Information Technology is seeking a Systems Administrator SME to enhance operations while advancing... ...have over 10 years of experience with Linux and Windows systems, possess scripting knowledge, and hold an active TS/SCI w/ Polygraph security clearance. GDIT...Senior
$100k - $140k
A day in the life: We are looking for a Linux System Administrator to join a mission critical software development effort that provides automated... ...troubleshooting on an ad hoc basis. An active US Government TS/SCI security clearance with Polygraph Bonus Skills:...SeniorSummer holidayImmediate start- TEST ENGINEER - Linux/Scripting/HPC - 8+ yrs of Experience - TS/SCI w/Poly clearance is required- ID Posted On 06/21/2026 Job Information Technology Work... ...who has experience with testing and validating HPC systems in accordance with test plans and ensures that system...Contract workWork experience placementRemote workShift work
- Technology Resource Experts, LLC is hiring an experienced Systems Engineer to be part of their growing team in... ..., and developing system specifications for HPC systems. The ideal candidate needs to have an active TS/SCI with Polygraph. Attractive benefits include 100%...Senior
$218k - $225k
...seeking a Software Engineer with over 12 years of experience, proficient in HPC and Splunk, to design and maintain systems for monitoring and enhancing HPC infrastructure. The role requires a TS/SCI clearance and includes responsibilities such as developing software...SeniorFull time- Quevera, located in Annapolis Junction, MD, is looking for a Sr. System Administrator / System Engineer with a focus on Linus and VMWare. This role requires a current TS/SCI Polygraph clearance and extensive experience in VMWare VM configuration. You'll be part of a dynamic...Senior
$120k - $200k
International Executive Service Corps is seeking a candidate with an active TS/SCI clearance to support their HPC team. The role involves developing architectural methods for high-performance computing systems, including documentation and test strategies. Ideal candidates will...Senior$145k - $190k
A veteran-owned small business in Annapolis is seeking a System Administrator to provide crucial support for a heterogeneous IT environment.... ...field or equivalent experience, along with security clearances TS/SCI and DoD 8570 certification. The position offers a...Senior$170k - $260k
GliaCell Technologies is hiring a Senior HPC Systems Engineer for a full-time role to provide technical expertise in sustaining mission-critical... ..., and manage risks effectively. Candidates must have active TS/SCI clearance and U.S. citizenship. The position offers a...SeniorRemote jobFull time- ...Metrics and Monitoring solution to ensure the reliability and performance of HPC systems. Qualified candidates will have a Bachelor of Science and 12+ years of experience along with an active TS/SCI clearance. This role requires proficiency with Splunk and experience in...Senior
$125k - $240k
Navstar Inc. in Maryland seeks an experienced Systems Administrator with TS/SCI clearance. This role requires extensive Linux experience, including installation, update, and security compliance. The ideal candidate must handle IT customer service and technical troubleshooting...Senior- ...Annapolis Junction, MD location. This role requires a TS/SCI w/ poly Security Clearance and involves providing customer support for HPC software enabling High Performance Computer operations across various operating systems. Ideal candidates will have a minimum of 10 years...Senior
$151k - $170k
Red Arch Solutions is looking for a highly experienced Senior Linux System Administrator / System Engineer to support an important mission environment... ...will have more than 10 years of experience, active TS/SCI with Polygraph certification, and strong knowledge in RHEL...Senior- NewGen Technologies is seeking an experienced Linux System Admin/Engineer based in Maryland, United States... ...experience, including skills in Linux administration and security compliance. Candidates should hold a TS/SCI FSP Clearance and ideally have Linux (CentOS/RHEL...Senior
- Quevera is seeking a Sr. System Administrator / System Engineer for its Oracle SCIF location in Maryland. As part of our dynamic... ...opportunities. The ideal candidate will have a TS/SCI Polygraph clearance, Linux administration skills, and experience with VMware. We...Senior
$183.6k - $221.6k
...ability to troubleshoot technical issues effectively. Applicants should have an active TS/SCI clearance and at least 8 years of experience in cyber engineering. Knowledge in Linux, networking concepts, and excellent communication skills are critical. The position offers...Senior$170k - $260k
GliaCell Technologies is seeking a Principal HPC Software Engineer in Annapolis, Maryland.... ...critical mission-related software and systems. Key responsibilities include defining... ...The ideal candidate must possess an active TS/SCI with Polygraph security clearance and relevant...Full time- Reflexive Concepts is looking for a System Administrator (Level 1) to join our team in Maryland. The role focuses on maintaining Linux-based high-performance computing systems for national... ...strong Linux experience and an active TS/SCI clearance. Essential qualifications...
$145k - $190k
...Business located in Annapolis, Maryland, is seeking a System Administrator. This role involves managing IT systems,... ...years of relevant experience, including expertise in Linux, Unix, and Windows. A valid TS/SCI with FSP clearance and DoD 8570 IAT II certification...- ...Engineer in Maryland. This full-time position requires active TS/SCI clearance and at least 5 years of experience in software... ...developing and maintaining software for High Performance Computing systems in a Linux environment. Key skills include proficiency with Linux CLI,...Full time
- ...Annapolis Junction, MD. This position requires TS/SCI with poly Security Clearance and involves... ...support for High Performance Computing (HPC) software alongside various operating systems. Essential responsibilities include Linux shell scripting, programming in multiple...
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