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Sr. Linux/Windows Systems Administrator - Top Secret Clearance
Lockheed Martin CorporationUnited StatesJob ID:710626BR Date posted:Nov. 12, 2025Description: What We re Doing:Lockheed Martin s Electronic, Cyber & Information Warfare (ECIW) market segment within the RMS C6ISR line of business is focused
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Apogee Research, LLCUnited StatesApogee Research brings cutting-edge research into practice for the DoD community. We blend agility with rigor to develop new technologies and transition them into operational use. Founded in 2012, Apo
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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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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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MAXIMUSUnited StatesDescription & RequirementsMaximus is seeking an entry level, Junior Linux System Administrator to support the administration, security, and automation of our Linux server environment. This role is ide
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SimVentions, IncAvenueOverview: 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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SimVentions, IncColtons PointOverview: 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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Applied Network SolutionsUnited StatesWho we are:At Applied Network Solutions (ANS), we bring together some of the mostcuriousminds in networking and cybersecurity. ANS was founded todisruptthestatus quo . For over 25 years, our team prov
Linux/Windows Systems Administrator II (TS/SCI w/ Polygraph)
COMSOUnited StatesLinux/Windows Systems Administrator II (TS/SCI w/ Polygraph)Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046)Job TypeFull-timeDescriptionAbout us:COMSO, Inc. is a powerhouse when it c
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L3HarrisUnited StatesL3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest fo
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MarkonUnited StatesDescriptionWe are seeking an experienced Linux Systems Administrator to support both Linux-based workstations and servers across physical and virtual environments for an IC customer . In this role, yo
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iQuasarUnited StatesiQuasar LLC is seeking aSystems Administrator/Engineer (Linux) - Senior (WebSphere/ WebLogic)inLaurel Maryland . We strive to provide the next generation of cutting-edge technologies. Our growth means
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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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LeidosUnited StatesDescriptionLeidoshas a new and exciting opportunity for aSenior Linux Systems Administratorin ourIntelligence Sector, Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in S
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Black Bear Technology Solutions, LLCUnited StatesIntermediate Windows Systems AdministratorJob Title:Intermediate Windows Systems Administrator Clearance Required:Secret OR Top Secret Location(s):A delphi (Onsite) Education:Bachelor's degree OR Asso
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Power3 SolutionsUnited StatesWindows Systems Administrator Ft. Meade Area, MD • Government/Military Clearance Required:TS/SCI with Polygraph Full-Time | Fully Funded | $150K - $225K | 40 Hours/WeekKeep the Mission Running. We are
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
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DeNovo Solutions, LLCUnited StatesPosition Title:Linux Systems Administrator (OpenShift) Location:Aurora, CO Clearance Required:TS/SCI with CI Poly Sign-On Bonus Eligible:Yes Are you passionate about systems administrator and eager to