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Top Secret/SCI

Top Secret / SCI Clearance Jobs

Showing 19,365 Jobs

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Senior Engineering Manager, Microelectronics Technology
Boeing
TS/SCI Not Specified
Job DescriptionAt Boeing, we innovate and collaborate to make the world a better place. We're committed to fostering an environment for every teammate that's welcoming, respectful and inclusive, with ...
Posted just now
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Senior Systems Engineering Integration & Test (SEIT) Manager
Boeing
TS/SCI Not Specified
Job DescriptionAt Boeing, we innovate and collaborate to make the world a better place. We're committed to fostering an environment for every teammate that's welcoming, respectful and inclusive, with ...
Posted just now
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Design Engineer (Associate, Experienced, or Senior)
Boeing
TS/SCI Not Specified
Job DescriptionAt Boeing, we innovate and collaborate to make the world a better place. We're committed to fostering an environment for every teammate that's welcoming, respectful and inclusive, with ...
Posted just now
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Sr. Environmental Test Engineer 2nd Shift - Millennium Space Sys
Boeing
TS/SCI Not Specified
Job DescriptionAt Boeing, we innovate and collaborate to make the world a better place. We're committed to fostering an environment for every teammate that's welcoming, respectful and inclusive, with ...
Posted just now
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Technical Librarian
KBR
TS/SCI Not Specified
Title:Technical Librarian Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence a...
Posted just now
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Cyber Systems Administrator 2
ASD, Inc.•Tampa, FL
TS/SCI 2+ yrs exp
We are seeking experienced Cybersecurity Analysts to work on-site at our Tampa, FL location. Note: Due to the classified nature of the work being performed, this position does not offer any virtu...
Posted just now
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Contractor Special Security Officer (CSSO)
IBM•Chantilly, VA
TS/SCI Full Scope Polygraph
The Contractor Special Security Officer (CSSO) plays a critical role in supporting secure, compliant, and effective delivery of IBM security services for the US Government and other highly regulated c...
Posted just now
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Business Development Leader - IC - TS/SCI/CI Poly
IBM•Reston, VA
TS/SCI CI Polygraph
A career in IBM Consulting is built on long-term client relationships and close collaboration worldwide. You'll work with leading companies across industries, helping them shape their hybrid cloud and...
Posted just now
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Sr, Contracts Negotiator ( TS clearance required)
Lockheed Martin•Sunnyvale, CA
TS/SCI Not Specified
Job Number 733987BR Description: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 realm of possibilities...
Posted just now
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Deputy Program Manager
Lockheed Martin•Herndon, VA
TS/SCI Polygraph
Job Number 734017BR Description: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 realm of possibilities...
Posted just now
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Alternate COMSEC Responsible Officer
Lockheed Martin•Sunnyvale, CA
TS/SCI Polygraph
Job Number 733975BR Description:This position requires Top Secret clearance with ability to obtain SCI eligibility and pass a Polygraph.The Alternate COMSEC Responsible Officer duties of this positio...
Posted just now
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COMSEC CRO Associate Leader
Lockheed Martin•Littleton, CO
TS/SCI Not Specified
Job Number 733977BR Description:This position requires current Top Secret clearance with ability to obtain SCI eligibility.Lockheed Martin is seeking a Computer Systems Security Associate Leader to o...
Posted just now
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Materials and Contamination Control Engineer, Senior (Level III)
Lockheed Martin•Littleton, CO
TS/SCI Polygraph
Job Number 733703BR Description: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 realm of possibilities...
Posted just now
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IT Specialist
Zachary Piper Solutions, LLC•Arvada, CO
TS/SCI Not Specified
ZP is seeking an IT System Specialist to deploy and maintain IT systems inside Secret Collateral and SCI-accredited spaces, including SCIF infrastructure.This role is responsible for building, securin...
Posted just now
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Program Manager
Zachary Piper Solutions, LLC•El Segundo, CA
TS/SCI Polygraph
*Active TS/SCI Clearance is needed for consideration to this role* Zachary Piper Solutions is currently seeking a Program Manager to support a Space Combat Power Systems Acquisition Program based in ...
Posted just now
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Systems Engineer - Integration and Test
RTX•Aurora, CO
TS/SCI Polygraph
Date Posted:2026-07-01Country:United States of America Location:US-CO-AURORA-S75 ~ 16800 E Centretech Pkwy ~ BLDG S75 Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requir...
Posted just now
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Software Engineer TS/SCI Polygraph
Leidos•Annapolis Junction, MD
TS/SCI Polygraph
R-00186603Description Job DescriptionLeidos has a new and exciting opportunity for a Software Engineer in our Intelligence Sector's Cyber & Analytics Business Area (CABA). Our talented team is...
Posted just now
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Prin Sys Engineer - Operations and Maintenance
RTX•Aurora, CO
TS/SCI Polygraph
Date Posted:2026-07-01Country:United States of America Location:US-CO-AURORA-S75 ~ 16800 E Centretech Pkwy ~ BLDG S75 Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requir...
Posted just now
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Satellite Analyst
Leidos•Chantilly, VA
TS/SCI Polygraph
R-00186580Description Position SummaryMust possess a current/active TS/SCI Clearance with Polygraph. Applicants who do not currently hold the required clearance will not be considered.Work as an integ...
Posted just now
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Sr Systems Engineer - Integration and Test
RTX•Aurora, CO
TS/SCI Polygraph
Date Posted:2026-07-01Country:United States of America Location:US-CO-AURORA-S75 ~ 16800 E Centretech Pkwy ~ BLDG S75 Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requir...
Posted just now
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