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Systems Administrator with Security Clearance
Northrop GrummanUnited States
RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: SCI TRAVEL: Yes, 25% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revol
Systems Administrator with Security Clearance
Dexian Signature FederalUnited StatesSystems Administrator Location - Annapolis Junction, MD Core Tasks: - Conduct functional and connectivity testing to ensure continuing operability. - Develop and document systems administration standa
Systems Administrator with Security Clearance
James Scott GroupUnited StatesJames Scott, LLC is seeking an experienced Systems Administrator to support one of its top-tier intelligence customers. This role is critical in delivering mission-essential technology solutions to th
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 with Security Clearance
Scientific ResearchUnited StatesDescription * Installing hardware, software, systems upgrades, network accounts, network security, and web page design, interface and updates, and local system design documentation * Implementing and
Senior Systems Administrator with Security Clearance
NewGen Technologies (Maryland)United StatesNewGen is seeking a Senior Systems Administrator with an active Top Secret to provide O&M support - installation, configuration, securing and hardening, testing, sustainment, upgrading, remediation, a
SCADA Systems Administrator I with Security Clearance
EpsilonUnited StatesEpsilon is now part of AMERICAN SYSTEMS! We are pleased to announce Epsilon, Inc. has joined AMERICAN SYSTEMS. Together, we're combining our expertise and expanding our resources to enhance support fo
Sr Principal Systems Administrator with Security Clearance
Northrop GrummanUnited StatesRELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Polygraph TRAVEL: Yes, 25% of the Time Description At Northrop Grumman, our employees have incredible opportunities to wor
Systems Administrator - Linux with Security Clearance
NavstarUnited StatesWould you like to perform rewarding work while contributing to the success of an established, growing company? Navstar is an award-winning organization that has a proven track record of successfully p
Senior Systems Administrator with Security Clearance
TekSynapUnited StatesResponsibilities & Qualifications RESPONSIBILITIES Installation, configuration, maintenance, and administration of Active Directory. Be comfortable updating and troubleshooting a range of enterprise s
MS Enclave Administrator (Azure Operations Systems Administrator with Security Clearance
Castalia SystemsUnited StatesJob Type: Full-Time Location: Onsite in Lorton, VA Clearance: TS/SCI with ability to obtain SAP access Must be a U.S. Citizen Benefits: Medical, dental, and vision coverage, 401k matching, generous PT
Senior Systems Administrator with Security Clearance
PeratonUnited StatesAbout Peraton Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading
Senior Systems Administrator with Security Clearance
Contact Government Services, LLCUnited StatesSenior Systems Administrator Employment Type: Full Time, Senior-level Department: Legal/IT CGS is seeking a Senior Systems Administrator to join our team supporting a wide-ranging technical support in
Senior Systems Administrator II with Security Clearance
Contact Government Services, LLCUnited StatesSenior Systems Administrator II Employment Type: Full Time, Senior-level Department: Legal/IT CGS is seeking a Senior Systems Administrator to join our team supporting a wide-ranging technical support
Systems Administrator (Linux) - multiple levels - CLEARANCE and POLYGRAPH REQUIRED
Constellation Technologies, IncUnited StatesSystems Administrator (Linux) - multiple levels - CLEARANCE and POLYGRAPH REQUIRED1 month ago Be among the first 25 applicants Base pay range$100,000.00/yr - $195,000.00/yr Linux, Windows, UNIX, RHEL,
Systems Administrator (Linux) - multiple levels - CLEARANCE and POLYGRAPH REQUIRED
Constellation Technologies, IncUnited StatesSystems Administrator (Linux) Multiple Levels CLEARANCE and POLYGRAPH REQUIRED4 weeks ago Be among the first 25 applicants Get AI?powered advice on this job and more exclusive features. CompensationBa
Systems Administrator (Systems Administration, Senior Analyst) with Security Clearance
MILUnited StatesSummary The MIL Corporation seeks a Systems Administrator (Systems Administration, Senior Analyst) to support a Federal Government client in Patuxent River, MD. This is a Systems Administrator role th
Systems Administrator L3 - TS/SCI/MD Poly with Security Clearance
Power3 SolutionsUnited StatesTechnology Resource Experts, LLC is looking for an experienced Systems Administrator to join their rapidly growing team! The Systems Administrator L3 is responsible for the maintenance, support, and o
System Administrator/System Engineer with Security Clearance
Chesapeake ConsultantsUnited StatesJob Posting: System Administrator/System Engineer at Chesapeake Consultants Position Overview: Chesapeake Consultants is seeking a talented System Administrator/System Engineer who is passionate about
Systems Administrator II (VMware Admin) with Security Clearance
Scientific ResearchUnited StatesDescription * Designing, implementing, maintaining, and supporting of our virtualized infrastructure, primarily based on VMware vSphere and related technologies * Understanding virtualization principl
Systems Administrator IV - PIPELINE (TS/SCI w/ POLYGRAPH)
SAN ANTONIO STAFFINGUnited StatesSystems Administrator IV - PipelineCOMSO, Inc. is a powerhouse when it comes to empowering federal government stakeholders to fulfill their mission with confidence and efficiency. Our staff brings kno
Network Engineer with Security Clearance
T-Rex Solutions, LLCUnited StatesAre you ready to make a significant impact by supporting critical national security infrastructure? T-Rex Solutions is looking for a skilled Network Engineer to join our dynamic team in the Columbia,
Sr. Linux/Windows Systems Administrator - Top Secret Clearance
Lockheed MartinKing of PrussiaJob 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
Technical Systems Administrator II (TS/SCI Clearance Required)
Sierra SpaceUnited StatesSierra Space CareersAt Sierra Space, we build the missions and systems that keep our world secure in the domain above Earth. Sierra Space team members share a spirit of innovation and collaboration an
Senior Systems Administrator
ClearanceJobsUnited StatesSenior Systems AdministratorCACI is seeking a Senior Systems Administrator to provide support for implementation, troubleshooting and maintenance of Information Technology (IT) systems, manage IT syst
