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Top Secret/SCI

Top Secret / SCI Clearance Jobs

Showing 29,943 Jobs

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UNIX Systems Engineer / Administrator
ClearanceJobs Workforce Solutions•Peterson Space Force Base, CO
Secret $140,000 - $175,000 / yr
PSG is looking to provide UNIX engineering and system administration for a satellite ground system sustainment program. Administer Solaris and Linux environments, automate routine work, and keep syste...
Promoted•Posted just now
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DHS-1099 Background Investigator
ISN Corporation•Bethesda, MD
Public Trust Not Specified
Join a Company Where Your Work Makes a DifferenceAt ISN, we believe our people are the driving force behind our success. For more than 45 years, we've partnered with over 150 federal agencies to deliv...
Promoted•Posted 1 month ago
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Mechanical Engineer II
Scientific Research Corporation
TS/SCI Not Specified $76,350 - $127,250 / yr
Salary StatementEstimated Starting Salary Range: USD $76,350.00/Yr. - USD $127,250.00/Yr. Salary to be determined by the education, experience, knowledge, skills, and abilities of the applicant, inter...
Posted just now
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Logistics Engineer
Scientific Research Corporation
TS/SCI Not Specified
Description Researching capabilities or solutions in support of the performance requirements using non-decisional market research and open market trend data Formulating market research reports, comme...
Posted just now
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Military Systems Specialist III
Scientific Research Corporation
TS/SCI Not Specified
Description Providing system level technical support to the US Navy's Ship's Signal Exploitation Equipment (SSEE) programs Troubleshooting, identifying, recommending resolutions, and performing corre...
Posted just now
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Sr Program Manager
Scientific Research Corporation
TS/SCI Not Specified $146,800 - $244,650 / yr
Salary StatementEstimated Starting Salary Range: USD $146,800.00/Yr. - USD $244,650.00/Yr. Salary to be determined by the education, experience, knowledge, skills, and abilities of the applicant, inte...
Posted just now
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Senior Software Engineer, AI/ML, Technical Delivery, Google Publ
Google, Inc.
TS/SCI Polygraph $174,000 - $252,000 / yr
This role may require travel up to 25% of the time. In most instances, this position requires in-person interviews as part of the hiring process.Must be a US Citizen to meet customer and compliance re...
Posted just now
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Senior Financial Cost Estimator-Wright-Patterson AFB, Ohio
Serco Inc.•Wright-patterson Afb, OH
TS/SCI Not Specified
Position Description & QualificationsIf you want to work on cutting-edge, high-impact Air Force programs, Serco has a great opportunity for you! As a Senior Financial Manager/Cost Estimator, you will ...
Posted just now
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Sr. Oracle Database Engineer
Zachary Piper Solutions, LLC•Annapolis Junction, MD
TS/SCI Full Scope Polygraph $150,000 - $200,000 / yr
Zachary Piper Solutions is seeking a Sr. Oracle Database Engineer for a leading government technology organization in the Annapolis, Maryland area. The Sr. Oracle Database Engineer role is a fully ons...
Posted just now
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Sr. Storage Engineer - TS/SCI FSP
Zachary Piper Solutions, LLC•Annapolis Junction, MD
TS/SCI Full Scope Polygraph $150,000 - $210,000 / yr
Zachary Piper Solutions is seeking a Sr. Storage Engineer -TS/SCI FSP for a leading government technology organization in the Annapolis Junction, Maryland area. The Sr. Storage Engineer - TS/SCI FSP r...
Posted just now
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Network Engineer
Zachary Piper Solutions, LLC•Amarillo, TX
TS/SCI Not Specified $140,000 - $170,000 / yr
Zachary Piper Solutions is seeking an experienced Network Engineer to join a l eading engineering and consulting firm specializing in critical federal energy, nuclear security, and advanced manufact...
Posted just now
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DevOps Lead
Peraton•Herndon, VA
TS/SCI Polygraph $135,000 - $216,000 / yr
About PeratonPeraton 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 m...
Posted just now
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System Administrator (TS-SCI w/Poly)
Parsons•Columbia, MD
TS/SCI Polygraph
In 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 yourself. Guided by our ...
Posted just now
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Cloud Software Engineer - AI/ML Project Top Secret/SCI w/Poly
Peraton•Laurel, MD
TS/SCI Polygraph $104,000 - $166,000 / yr
About PeratonPeraton 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 m...
Posted just now
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Lead Systems Engineer - Intelligence Systems & Integration
MITRE Corporation•Mclean, VA
TS/SCI Polygraph $147,200 - $184,000 / yr
At MITRE, your passion fuels work that impacts our nation and improves lives. This is where your skills strengthen national security, cybersecurity, health, transportation, and citizen services. We're...
Posted just now
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Lead Systems Engineer - Intelligence Systems & Integration
MITRE Corporation•Bethesda, MD
TS/SCI Polygraph $147,200 - $184,000 / yr
At MITRE, your passion fuels work that impacts our nation and improves lives. This is where your skills strengthen national security, cybersecurity, health, transportation, and citizen services. We're...
Posted just now
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Senior Information System Security Officer (ISSO) - Dulles, VA
RTX•Dulles, VA
TS/SCI CI Polygraph $95,500 - $181,700 / yr
Date Posted:2026-11-04Country:United States of America Location:US-VA-DULLES-710 ~ 22110 Pacific Blvd ~ BLDG 10 Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements...
Posted just now
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Systems Engineer
Leidos•Arlington, VA
TS/SCI Not Specified $107,900 - $195,050 / yr
R-00195914Description Position Overview The Leidos Digital sector has an opening for a Systems Engineer in the National Military Command Center (NMCC) at the Pentagon in Washington, D.C., in support ...
Posted just now
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UC NOC Technician III
Leidos•O Fallon, IL
TS/SCI Not Specified $65,000 - $75,000 / yr
R-00188349Description Our customer is the Defense Information Systems Agency (DISA) and acts as the provider of GIG/Defense Information System Network (DISN) services to its customers, the department ...
Posted just now
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Chinese-Mandarin Cryptologic Linguist/Instructor
Leidos•San Angelo, TX
TS/SCI Not Specified $65,650 - $118,675 / yr
R-00196115Description Are you ready for a rewarding career opportunity? Unleash your potential at Leidos, where we deliver innovative solutions through the efforts of our diverse and talented people...
Posted just now
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