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Senior HPC Systems Administrator TS/SCI, Onsite
SolerityUnited StatesA recognized leader in IT and consulting services is seeking a System Administrator in Salt Lake City. This full-time, onsite role requires a TS/SCI clearance and experience in system administration,
Systems Administrator Senior (VDI) - TS/SCI required with Security Clearance
General Dynamics Information TechnologyUnited StatesSystems Administrator Senior (VDI) - TS/SCI required Make meaningful contributions that fuel critical outcomes for some of the most complex government, defense, and intelligence projects. Join GDIT as
Principal Systems Administrator Helpdesk Sys Admin
Northrop GrummanUnited StatesPrincipal Systems Administrator Helpdesk Sys Admin (25-571) - R10216281Northrop Grummanis hiring a Principal Systems Administrator Helpdesk Sys Admin for the Missile Defense Integration division. The
Omaha-Based Systems Administrator (TS/SCI) 24/7 Desk
CACI InternationalUnited StatesA notable IT services firm in Omaha is seeking a Systems Administrator to support its Service Desk team. The ideal candidate will have a BS degree, current TS/SCI clearance, and experience with Jira a
Systems Administrator 3- TS/SCI - Omaha, NE
Omaha StaffingUnited StatesJob PostingOverview M.C. Dean is Building Intelligence. We design, build, operate, and maintain cyber-physical solutions for the nation's most recognizable mission critical facilities, secure environm
Microsoft Project Systems Administrator/Integrator (Mid)
CompassUnited StatesMicrosoft Project Systems Administrator/Integrator (Mid) #1733Join to apply for theMicrosoft Project Systems Administrator/Integrator (Mid) #1733role atCompass, Inc. Microsoft Project Systems Administ
Systems Administrator
Riverside ResearchUnited StatesRiverside Systems Administrator PositionRiverside Research is an independent National Security Nonprofit dedicated to research and development in the national interest. We provide high-end technical s
Linux Systems Administrator - TS/SCI POLY
Clearance JobsUnited StatesLinux Systems AdministratorIn a world of possibilities, pursue one with endless opportunities. Imagine Next! At Parsons, you can imagine a career where you thrive, work with exceptional people, and be
2027576 Systems Administrator $200,000.00
ClearanceJobsUnited StatesSystems AdministratorPosition Requires a Top Secret (TS/SCI) Clearance with a Polygraph. Position closes 1/7/26 - We are seeking a highly experienced and technically proficient Systems Administrator S
Junior Systems Administrator with Security Clearance
AmentumUnited StatesAmentum is looking for a Junior Systems Administrator to join our team in McLean, VA! As a Junior Systems Administrator, you will be responsible for the day-to-day maintenance and support of computer
Systems Administrator
ClearanceJobsUnited StatesSystems AdministratorLeidos is a FORTUNE 500 company bringing a mix of innovative technology and sector experience to customers in the national security, engineering, and health industries. We are see
Systems Administrator
ClearanceJobsUnited StatesSystems Administrator SeniorAdvance how our customers operate while you advance your career. Join GDIT as a Systems Administrator Senior and build an impactful career in enterprise IT, collaborating w
Systems Administrator
Clearance JobsUnited StatesSystems Administrator SeniorAdvance how our customers operate while you advance your career. Join GDIT as a Systems Administrator Senior and build an impactful career in enterprise IT, collaborating w
Systems Administrator L3 - TS/SCI/MD Poly
ClearanceJobsUnited StatesSystems Administrator L3Technology Resource Experts, LLC is looking for an experienced Systems Administrator to join their rapidly growing team! The Systems Administrator L3 is responsible for the mai
Systems Administrator II
Scientific ResearchUnited StatesSystems Administrator IILocation: US-CO-Colorado Springs Job ID: 2025-10638 Position Type: Regular Full-Time Application Open Date: 11/20/2025 Application Deadline: 12/20/2025 Salary StatementEstimate
Linux Systems Administrator
Clearance JobsUnited StatesLinux Systems AdministratorIn a world of possibilities, pursue one with endless opportunities. Imagine Next! At Parsons, you can imagine a career where you thrive, work with exceptional people, and be
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General Dynamics Information TechnologyUnited StatesSystems Administrator SeniorAdvance how our customers operate while you advance your career. Join GDIT as a Systems Administrator Senior and build an impactful career in enterprise IT, collaborating w
Senior Systems Administrator
BelcanUnited StatesA Senior Systems Administrator job in Cincinnati, OH or Indianapolis, IN is currently available at Belcan supporting one of our key manufacturing clients. To be considered for this role, you will have
Systems Administrator (Compliance) - TS/SCI Clearance Required with Security Clearance
Akima Infrastructure ServicesUnited StatesSystems Administrator (Compliance) TS/SCI Clearance RequiredAkima Systems Engineering (ASE) is looking for a Systems Administrator (Compliance) to work in Honolulu, HI. The Compliance Administrator pl
Senior Linux Systems Administrator
General DynamicsUnited StatesSenior Linux Systems AdministratorAdvance how our customers operate while you advance your career. Join GDIT as a Senior Linux Systems Administrator and build an impactful career in enterprise IT, col
Systems Administrator
General DynamicsUnited StatesSystems Administrator SeniorAdvance how our customers operate while you advance your career. Join GDIT as a Systems Administrator Senior and build an impactful career in enterprise IT, collaborating w
Systems Administrator with Security Clearance
Core OneUnited StatesJoin our team at Core One! Our mission is to be at the forefront of devising analytical, operational and technical solutions to our Nation's most complex national security challenges. In order to achi
Senior Systems Administrator
ClearanceJobsUnited StatesSenior Systems AdministratorOak Grove Technologies, LLC, a dynamic and fast-growing federal contractor, is seeking a highly skilled and motivated Senior Systems Administrator to join our team! In this
UNIX Senior Systems Administrator
Enterprise Solutions and ManagementUnited StatesUNIX Senior Systems Administrator- Remote - must reside within 3 hrs of Dayton, OHUNIX Senior Systems Administrator- Remote - must reside within 3 hrs of Dayton, OH2 months ago Be among the first 25 a
Systems Administrator (TS/SCI) Travel & Security
Northrop GrummanUnited StatesA defense contractor located in Aurora, CO is looking for a System Administrator to design network communication systems and troubleshoot faults. Candidates need an active TS/SCI clearance and relevan