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Top Secret / SCI Clearance Jobs

Top Secret/SCI

Viewing 1 - 20 of 15,910

Top Secret / SCI Jobs requiring security clearance

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Systems Engineer Senior Manager - Portfolio Manager

New
Lockheed Martin
Apply today! Be one of the first candidates to apply for maximum exposure.
Littleton, CO(On-Site/Office)
Posted today
TS/SCI
Not Specified

Job Number 718246BR Description: "Ahead of Ready" 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 real...

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Principal. Platform Product Owner (onsite)

New
RTX
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Richardson, TX(On-Site/Office)
Posted today
TS/SCI
Polygraph

Date Posted:2026-03-09Country:United States of AmericaLocation:US-TX-RICHARDSON-C27 ~ 1727 Cityline Dr ~ CITYLINE C27Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirem...

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Senior SharePoint Engineer

New
Peraton
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Annapolis Junction, MD(On-Site/Office)
Posted today
TS/SCI
Not Specified

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...

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SME Cybersecurity Systems Engineer Lead

New
Leidos
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Gaithersburg, MD(On-Site/Office)
Posted today
TS/SCI
CI Polygraph

R-00177891Description This Department of War enterprise data and analytics program delivers mission-critical capabilities that enable leaders across the Department to make faster, better-informed deci...

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SME Cybersecurity Systems Engineer

New
Leidos
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Gaithersburg, MD(On-Site/Office)
Posted today
TS/SCI
CI Polygraph

R-00177894Description This Department of War enterprise data and analytics program delivers mission-critical capabilities that enable leaders across the Department to make faster, better-informed deci...

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SME Cybersecurity Systems Engineer Lead

New
Leidos
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Alexandria, VA(On-Site/Office)
Posted today
TS/SCI
CI Polygraph

R-00177891Description This Department of War enterprise data and analytics program delivers mission-critical capabilities that enable leaders across the Department to make faster, better-informed deci...

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SME Cybersecurity Systems Engineer

New
Leidos
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Alexandria, VA(On-Site/Office)
Posted today
TS/SCI
CI Polygraph

R-00177894Description This Department of War enterprise data and analytics program delivers mission-critical capabilities that enable leaders across the Department to make faster, better-informed deci...

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Technical Writer

New
Leidos
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Linthicum, MD(On-Site/Office)
Posted today
TS/SCI
Polygraph

R-00177865Description Job DescriptionLeidos is currently seeking a skilled Technical Writer to support our mission customer in the Linthicum MD area.The Technical Writer will join a team whose mission...

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Contractor Special Security Officer (CSSO)

New
Leidos
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Gaithersburg, MD(On-Site/Office)
Posted today
TS/SCI
Polygraph

R-00177841Description This Department of War enterprise data and analytics program delivers mission-critical capabilities that enable leaders across the Department to make faster, better-informed deci...

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Contractor Special Security Officer (CSSO)

New
Leidos
Apply today! Be one of the first candidates to apply for maximum exposure.
Alexandria, VA(On-Site/Office)
Posted today
TS/SCI
Polygraph

R-00177841Description This Department of War enterprise data and analytics program delivers mission-critical capabilities that enable leaders across the Department to make faster, better-informed deci...

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Network Engineer 25% remote

New
Leidos
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Columbia, MD(On-Site/Office)
Posted today
TS/SCI
Polygraph

R-00177834Description Leidos has a new and exciting opportunity for a Sr. Network Systems Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented ...

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Data Center Manager

New
Leidos
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Bethesda, MD(On-Site/Office)
Posted today
TS/SCI
Polygraph

R-00177851Description Leidos is looking to fill a Data Center Manager position to support the National Digital Exploitation Center (NDOC).  This role will be responsible for the monitoring mainte...

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Material Planner

New
Leidos
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Chantilly, VA(On-Site/Office)
Posted today
TS/SCI
Polygraph

R-00177858Description We are excited to announce an opening for a Material Planner in our Springfield, VA location! This person will be responsible for supporting the material acquisition plans and m...

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Sr Operations Technician

New
Leidos
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Springfield, VA(On-Site/Office)
Posted today
TS/SCI
Polygraph

R-00174488Description Job DescriptionAre you an organized and detail-oriented professional with a passion for safeguarding the integrity of critical systems?  Are you ready to take on a role wher...

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Senior Principal Software Cloud Architect (Onsite)

New
RTX
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Aurora, CO(On-Site/Office)
Posted today
TS/SCI
Polygraph

Date Posted:2026-03-09Country:United States of AmericaLocation:US-CO-AURORA-S77 ~ 16470 E Hughes Dr ~ BLDG S77Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: A...

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Principal Platform Architect (Onsite)

New
RTX
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Richardson, TX(On-Site/Office)
Posted today
TS/SCI
Polygraph

Date Posted:2026-03-09Country:United States of AmericaLocation:US-TX-RICHARDSON-C27 ~ 1727 Cityline Dr ~ CITYLINE C27Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirem...

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Principal Platform Engineer (Onsite)

New
RTX
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Richardson, TX(On-Site/Office)
Posted today
TS/SCI
Polygraph

Date Posted:2026-03-09Country:United States of AmericaLocation:US-TX-RICHARDSON-C27 ~ 1727 Cityline Dr ~ CITYLINE C27Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirem...

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Regional Defense Fellowship Program (RDFP) Manager

New
Lukos
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Tampa, FL(On-Site/Office)
Posted today
TS/SCI
Not Specified

Regional Defense Fellowship Program (RDFP) ManagerMinimum Qualifications Summary Certification & Education Masters Degree required Active TS/SCI Security Clearance Experience Required 5 years of P...

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Strategy and Policy Analyst

New
Lukos
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Tampa, FL(On-Site/Office)
Posted today
TS/SCI
Not Specified

Strategy and Policy AnalystPlease note: This position is contingent upon the award of a contract. We will provide updates on the status of the contract and next steps during the hiring process . Minim...

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Senior Supply Systems Analyst

New
Lukos
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Tampa, FL(On-Site/Office)
Posted today
TS/SCI
Not Specified

Senior Supply Systems AnalystPlease note: This position is contingent upon the award of a contract. We will provide updates on the status of the contract and next steps during the hiring process . Min...

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