HPC Systems Administrator - TS/SCI Cleared (On-Site MD)
$79.3k - $184.8kAT&T
AT&T in Columbia, Maryland, seeks a High-Performance Computing (HPC) Systems Administrator to manage Linux and Windows platforms. The role requires TS/SCI clearance and offers a competitive salary range of $79,300 - $184,800 annually based on experience and education. Candidates should possess a B.S. in a technical discipline with preferred certifications. Benefits include comprehensive medical coverage, paid time off, and discounts on AT&T services. #J-18808-Ljbffr AT&T
- ...Job Title System Administrator, Clearance Required – TS/SCI w/Polygraph (All Levels) Location: Fort Meade, MD Date Opened: 03/10/2026 Priority: Normal Job Type: Full Time... ...system enhancements. Work Site: Ft. Meade, MD area. Telework of any kind...WebsiteBi-weekly payFull timeWork experience placementRemote work
$100k - $110k
Vanquish Inc. is seeking a System Administrator (Voice) in Columbia, MD. The role requires active TS/SCI clearance and five years of relevant experience. You will be responsible for providing hardware maintenance, deploying and implementing systems, and ensuring customer...Website- ...System Administrator Level 2 Location: On-site Clearance: Active TS/SCI with Polygraph Experience Required: 10+ years (or 5 additional years in lieu of degree) We are seeking a Level 2 System Administrator to provide hands-on support, troubleshooting, and operational...Website
$100k - $150k
Kroll is seeking two cleared Software Engineers to support software development and testing of mission systems in Columbia, MD. This on-site role requires a TS/SCI clearance and involves full life cycle testing, environment setup, and integration testing. The ideal candidates...Website$180k - $220k
...Job Title TS/SCI - Polygraph required 21-08.002 Description: The System Administrators must provide Infrastructure Server and Sustainment services... ...High Performance Computing (HPC) sustainment capabilities across two sites and geographic locations, to include...WebsiteFlexible hours$180k - $220k
...TS/SCI - Polygraph Required 21-08.001 The System Administrators must provide Infrastructure Server and Sustainment services, which the Government... ...High Performance Computing (HPC) sustainment capabilities across two sites and geographic locations, to include the...WebsiteFlexible hours- Staffed4U is seeking a Mid-Senior Level System Administrator in Jessup, Maryland. The ideal candidate will have at least 10 years of systems... ...administration experience, a technical bachelor’s degree, and an active TS/SCI clearance with Full-Scope Polygraph. You will support the...Website
$190k - $210k
BTS Software Solutions is seeking a Systems Administrator Level 3 to support IT system implementations and maintenance at Annapolis Junction, MD. This role requires 15 years experience along with a bachelor's degree in a technical field, or equivalent experience. The ideal...Website- Staffed4U is seeking a Junior Systems Administrator to join their team in Jessup, Maryland. The role... ...support operations in Annapolis Junction, MD. The successful candidate will be... ...on security compliance with an active TS/SCI clearance is essential for this position...
$48.51 - $84.9 per hour
...Description: Parsons is seeking a versatile System Administrator to tackle new challenges across the... .... Parsons' extensive experience in the cleared space, combined with your technical... ...processes the system supports. ~ Active TS/SCI with poly clearance Desired...Work experience placementLocal areaWorldwideFlexible hours- ...Job Description Cloud System Administrator Own the opportunity as a Cloud... ...● Security Clearance Level: TS/SCI w/Poly ● Required Skills and... ...governance ● Location: On Site ● US Citizenship Required... ...learn from #GREENWAY #MD_2025Alumni Work Requirements...Website
- ...Oracle Database Administrator Oracle Database Administrator, Clearance Required – TS/SCI w/Polygraph Please note, this position... ...will support a complex system with exacting interface, performance... ...development. Work Site: Annapolis Junction, MD area. Annual Salary: $1...WebsiteBi-weekly payTemporary work
$43 per hour
...Cleared Escort With TS/SCI Clearance With Full Scope Poly Jessup, MD Join IDS International's Cleared Programs team supporting secure and mission-critical environments... ...effectively with security staff, vendors, and site leadership Represent the program professionally...WebsiteHourly payDaily paidLocal areaNight shift$125k - $145k
A technology solutions provider in Annapolis Junction, MD is seeking a System Administrator to provide Tier-3 operational support for IT and monitoring... ...equivalent experience is required, along with an active TS/SCI with Poly. The role offers a competitive salary range of...$25k
...Job Description Job Description System Administrator/System Engineer - Linux/AWS - 5+ years of Experience - TS/SCI w/Poly clearance is required Halogen Engineering... ...degree of freedom Location: Columbia, MD Travel Required: No Shift: Day...Contract workTemporary workRemote workWorldwideFlexible hoursShift work- ...No Remote Type: No Clearance: TS/SCI w/ Polygraph Position... ...control best practices-based CM systems (GIT), including branching and... ...automation toolkits • Set-up up new sites and applications via... ...Experience with Windows system administration, system monitoring,...WebsiteRemote work
$218k - $225k
...Software Engineer - HPC/Linux - 5+ yrs of Experience - TS/SCI w/Poly clearance is required Halogen Engineering... ...for developing and maintaining system management infrastructure software... ...Location: Annapolis Junction, MD Travel Required: No...Full timeContract workTemporary workRemote workShift work$125k - $215k
...'s reputation in Software and System Engineering with our Department... ...Alpha as a whole. We have a clear vision of where we are headed.... ...such as user interface features, site animation, special effects,... ...Agile development processes ~ A TS/SCI with Polygraph The total...WebsiteSummer holidayImmediate start- ...Overview Position Title: Systems Administrator Location: Annapolis Junction, MD Reports To: Program... ...Requirement: Active TS/SCI with Polygraph... ...you! This posting is for cleared Systems Administrator candidates... ...to visit client sites, labs, or field environments...WebsiteFull timeContract workWork at officeLocal areaImmediate startFlexible hours
$75.52k - $113.28k
...resilient power and technology systems; and deliver the management... ...We are seeking a System Administrator 1 to join our Security and Electronic... ...information; ACTIVE DoD TS/SCI w/ polygraph clearance is... ...reliable attendance at customer site during work hours required by...WebsiteWork at officeLocal areaFlexible hoursNight shift$90.64k - $135.96k
...controls, audiovisual, and IT systems. Headquarters in Tysons,... ...We are seeking a System Administrator 2 to join our Security and Electronic... ...information; ACTIVE DoD TS/SCI w/ polygraph clearance is required... ...attendance at customer site during work hours required by...WebsiteWork at officeLocal areaFlexible hoursNight shift- A technology company in Jessup, MD is seeking a junior level Software Engineer. The role requires a minimum... ...hold an IAT Level II certification and an active TS/SCI with Full Scope Polygraph. This full-time position is on-site and offers a dynamic work environment. #J-18808-...WebsiteFull time
$162k - $171k
...Scripting/Splunk - 5+ yrs of Experience - TS/SCI w/Poly Clearance Halogen Engineering... ...Engineer Location: Annapolis Junction, MD Travel Required: No Shift: Day... ...Capabilities • Independently test and validate HPC systems in accordance with test plans to ensure...Full timeContract workTemporary workRemote workShift work$95k - $125k
...Description A day in the life: As an IT System Adminstrator, you will support our... ...including 3+ years experience in system administration ~ A Bachelor of Science Degree in... ...from an accredited institution ~ Active TS/SCI with Polygraph ~ Eagerness to learn and...Summer holidayImmediate start$150k - $200k
...Description A day in the life: As a System Administrator, you will work on a fast-paced team providing support for implementation, troubleshooting... ...~ Must be DoD 8570 compliant - IAT Level I ~ A TS/SCI with Polygraph is required Bonus Skills: Familiarity...Summer holidayImmediate start- ...Systems Administrator Location: Annapolis Junction, Maryland Clearance: TS/SCI w/ Polygraph Position is contingent upon contract award Position Requirements Provide support for implementation, troubleshooting and maintenance of IT systems Manage the...Contract workTemporary workWork experience placementImmediate start
- ...CyberTrend IT Systems Administrator CyberTrend's leadership has 40 years of experience in the industry, and the company continues to serve... ...architectural, system, and software engineering personnel. Requires TS/SCI with Poly Clearance Skills: Linux Cisco Network...Full timeFor contractorsLocal area
$155k - $225k
...Principal Systems Administrator As a Principal Systems Administrator, you will develop software tools and services in a SaaS/PaaS environment... ...monitoring tools such as Nagios ~ An active US Government TS/SCI security clearance with Polygraph Bonus Skills:...For contractorsSummer holidayImmediate start$39.11 - $52.9 per hour
...Position Location: USA MD Annapolis Junction... ...Possess: Top Secret SCI + Polygraph Clearance... ...Description: Account Systems Administrator Transform technology... ...Clearance Level: TS/SCI w/Poly Preferred... ...Service Location: On Site Certification: IAT Level...WebsiteHourly payFull timeTemporary workPart timeWork at officeImmediate startRemote workWorldwideMonday to FridayFlexible hoursShift work- System Administrator - Level III Location: Columbia, MD Employment Type: Full-time Experience Level: Senior... ...Clearance: Active TS/SCI with polygraph required... ...working relationships with on-site support personnel and... ...document technical processes clearly and effectively...WebsiteFull timeContract workTemporary workWork at officeRelocationFlexible hours
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