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Sr. Linux/Windows Systems Administrator - Top Secret Clearance
Lockheed Martin CorporationUnited StatesJob DescriptionWhat We're Doing:Lockheed Martin's Electronic, Cyber & Information Warfare (ECIW) market segment within the RMS C6ISR line of business is focused on ensuring our customers can dominate
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General Dynamics Information TechnologyUnited StatesType of Requisition: RegularClearance Level Must Currently Possess: Top SecretClearance Level Must Be Able to Obtain: Top Secret/SCIPublic Trust/Other Required: NoneJob Family: IT Infrastructure and O
NCIS Systems Administrator | Shift Work | Active Top Secret clearance
General Dynamics Information TechnologyUnited StatesType of Requisition: PipelineClearance Level Must Currently Possess: Top SecretClearance Level Must Be Able to Obtain: Top Secret/SCIPublic Trust/Other Required: NoneJob Family: IT Infrastructure and
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ICFUnited StatesDescriptionPlease note: This role is contingent upon a contract award. While it is not an immediate opening, we are actively conducting interviews and extending offers in anticipation of the award.ICF
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ICF International IncUnited StatesPlease note: This role is contingent upon a contract award. While it is not an immediate opening, we are actively conducting interviews and extending offers in anticipation of the award.ICF is a missi
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Lockheed Martin CorporationUnited StatesJob DescriptionYou will be the Systems Administrator for the Advanced Concepts Lab (ACL) - a cutting edge team within Lockheed Martin's Advanced Technology Laboratories (ATL) that drives innovation. T
Linux Systems Administrator, Staff / TS/SCI Poly / Onsite: CO
Lockheed Martin CorporationUnited StatesDescription: Our employees are the core of everything we do, and they are helping the future arrive. As a leading technology innovation company, our team of over 100,000 employees work with our partne
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Lockheed MartinLittletonJob ID: BR Date posted: Dec. 18, 2025Description: Space is a critical domain, connecting our technologies, our security, and our humanity. While others view space as a destination, we see it as a re
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SUNAYUUnited StatesLocation: Bethesda, MDCategory: Systems AdministratorTravel Required: NoRemote Type: HybridClearance: Top Secret/SCISunayu, LLC is seeking a highly skilled TS/SCI Tier 3 Service Desk/System Administra
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EverWatchUnited StatesJob TitleLinux Systems AdministratorOverviewEverWatch is a government solutions company providing advanced defense, intelligence, and deployed support to our country's most critical missions. We are a
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PeratonUnited StatesLinux Systems Administrator (SDN / Cisco ACI)Job LocationsUS-MD-College ParkRequisition ID2026-162799Position CategoryInformation TechnologyClearanceTop Secret/SCI w/PolyResponsibilitiesPeraton Labsis
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SimVentions, IncLexington ParkOverview: SimVentions is a 100% employee-owned business and has consistently been voted one of Virginia's Best Places to Work. SimVentions is seeking a System Administrator to maintain servers for co
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GAMA-1 TechnologiesUnited StatesGAMA-1 Technologies, LLC seeks a highly skilled System Administrator II with a strong Linux background to provide advanced technical expertise in the design, implementation, configuration, maintenance
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SimVentions, IncComptonOverview: SimVentions is a 100% employee-owned business and has consistently been voted one of Virginia's Best Places to Work. SimVentions is seeking a System Administrator to maintain servers for co
NAVAIR- Journeyman Linux System Administrator
SimVentions, IncGreat MillsOverview: SimVentions is a 100% employee-owned business and has consistently been voted one of Virginia's Best Places to Work. SimVentions is seeking a System Administrator to maintain servers for co
NAVAIR- Journeyman Linux System Administrator
SimVentions, IncHughesvilleOverview: SimVentions is a 100% employee-owned business and has consistently been voted one of Virginia's Best Places to Work. SimVentions is seeking a System Administrator to maintain servers for co
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PeratonUnited StatesResponsibilities Peraton is seeking anInfrastructure Systems Administrator - Linux (RHEL)in our Chantilly, VA office in support of our Department of Defense (DoD) community customer as part of a highl
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Northrop GrummanUnited StatesRELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE TYPE: SecretTRAVEL: Yes, 10% of the TimeDescriptionAt Northrop Grumman, our employees have incredible opportunities to work on re
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The UNC System OfficeUnited StatesAbout the Opportunity TheLinux/Windows Systems Administrator (IT Systems Administrator II) will beresponsible for effective installation configuration, operation and maintenanceof systems hardware, so
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Northrop GrummanUnited StatesRELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE TYPE: SecretTRAVEL: Yes, 10% of the TimeDescriptionAt Northrop Grumman, our employees have incredible opportunities to work on re
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Alpha Omega Integration, LLCUnited StatesDescriptionJob Title: System Administrator (Windows) Clearance Required: Public Trust Work Location: Onsite; Lorton, VA Alpha Omega is searching for an experiencedWindows Systems Administratorto join
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Erias VenturesUnited StatesErias Ventures was founded to serve its customers with an entrepreneurial mindset. We valuecreative problem-solving ,open communication , andempowering our employeesto make decisions and put forth new
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Northrop GrummanUnited StatesRELOCATION ASSISTANCE: No relocation assistance availableCLEARANCE TYPE: PolygraphTRAVEL: Yes, 10% of the TimeDescriptionAt Northrop Grumman, our employees have incredible opportunities to work on rev
Linux / AWS Systems Administrator 3/4 - Polygraph
Northrop GrummanUnited StatesRELOCATION ASSISTANCE: No relocation assistance availableCLEARANCE TYPE: PolygraphTRAVEL: Yes, 10% of the TimeDescriptionAt Northrop Grumman, our employees have incredible opportunities to work on rev