Top Secret / SCI Clearance Jobs

Top Secret/SCI

Viewing 1 - 20 of 16,243

Top Secret / SCI Jobs requiring security clearance

Cloud Systems Engineer I, ADC Security Services Engineering

New
Amazon
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Arlington, VA(On-Site/Office)
Updated Today
TS/SCI
Polygraph

DescriptionCome join a security team who focuses on ease of use and delighting our customers to build and support security services, used across all of Amazon, that secure our internal systems and net...

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2026 Cyber Security Intern - Onsite

New
RTX
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State College, PA(On-Site/Office)
Updated Today
TS/SCI
Polygraph

Date Posted:2025-11-04Country:United States of AmericaLocation:PA601: 302 Science Park Road, Bldg 5A 302 Science Park Road Building 5A, State College, PA, 16803-2214 USAPosition Role Type:Onsite U.S. ...

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Platform Engineer II - Linux (Onsite)

New
RTX
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Richardson, TX(On-Site/Office)
Updated Today
TS/SCI
Polygraph

Date Posted:2025-11-04Country:United States of AmericaLocation:TX232: Richardson 1727 CityLine 1727 East CityLine Drive Building C27, Richardson, TX, 75082 USAPosition Role Type:Onsite U.S. Citizen, U...

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Process Improvement Engineer (Onsite)

New
RTX
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Las Cruces, NM(On-Site/Office)
Updated Today
TS/SCI
Polygraph

Date Posted:2025-11-04Country:United States of AmericaLocation:NM306: Las Cruces, NM ASFCF Center/Receiving 12400 NASA Rd., Las Cruces, NM, 88012 USAPosition Role Type:Onsite U.S. Citizen, U.S. Person...

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Special Security Officer (SSO)

New
Leidos
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Tucson, AZ(On-Site/Office)
Updated Today
TS/SCI
Not Specified

R-00169938Description Looking for an opportunity to make an impact?  At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our cu...

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Tier 1/2 Service Desk Support System Administrator

New
Leidos
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Bethesda, MD(On-Site/Office)
Updated Today
TS/SCI
Polygraph

R-00169920Description At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contrib...

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Junior Cybersecurity Analyst/Engineer

New
Leidos
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Bethesda, MD(On-Site/Office)
Updated Today
TS/SCI
Polygraph

R-00169922Description Are you ready to join Leidos all-star team? Through training, teamwork, and exposure to challenging technical work, let Leidos show how to accelerate your career path.Leidos is s...

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Senior Test Engineer

New
Leidos
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Columbia, MD(On-Site/Office)
Updated Today
TS/SCI
Polygraph

R-00169921Description Leidos has a new and exciting opportunity for a Senior Test Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA).  Our talented te...

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F5 Load Balance Network Engineer

New
Leidos
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Alexandria, VA(On-Site/Office)
Updated Today
TS/SCI
Polygraph

R-00169899Description At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contrib...

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Principal Mission Protection System Engineer (Onsite)

New
RTX
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Las Cruces, NM(On-Site/Office)
Updated Today
TS/SCI
CI Polygraph

Date Posted:2025-11-04Country:United States of AmericaLocation:NM306: Las Cruces, NM ASFCF Center/Receiving 12400 NASA Rd., Las Cruces, NM, 88012 USAPosition Role Type:Onsite U.S. Citizen, U.S. Person...

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Senior Information Systems Security Officer (ISSO)

New
Peraton
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Mclean, VA(On-Site/Office)
Updated Today
TS/SCI
Polygraph

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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SITEC - Unified Communication Administrator - MacDill AFB

New
Peraton
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Macdill Afb, FL(On-Site/Office)
Updated 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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SITEC - Systems Administrator - MacDill AFB

New
Peraton
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Macdill Afb, FL(On-Site/Office)
Updated 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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SITEC - Multi-Discipline Engineer (System Focused) - Camp H.M. S

New
Peraton
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Camp H.m. Smith, HI(On-Site/Office)
Updated 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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Senior Systems Engineer (Onsite)

New
RTX
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Las Cruces, NM(On-Site/Office)
Updated Today
TS/SCI
CI Polygraph

Date Posted:2025-11-04Country:United States of AmericaLocation:NM306: Las Cruces, NM ASFCF Center/Receiving 12400 NASA Rd., Las Cruces, NM, 88012 USAPosition Role Type:Onsite U.S. Citizen, U.S. Person...

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Platform DevOps Engineer II (Onsite)

New
RTX
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Richardson, TX(On-Site/Office)
Updated Today
TS/SCI
Polygraph

Date Posted:2025-11-04Country:United States of AmericaLocation:TX232: Richardson 1727 CityLine 1727 East CityLine Drive Building C27, Richardson, TX, 75082 USAPosition Role Type:Onsite U.S. Citizen, U...

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2026 Full-time - Software Engineer II - Onsite (CO)

New
RTX
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Aurora, CO(On-Site/Office)
Updated Today
TS/SCI
Polygraph

Date Posted:2025-11-04Country:United States of AmericaLocation:CO102: 16800 E Centretech Pkwy,Aurora 16800 East Centretech Pkwy Building S75, Aurora, CO, 80011 USAPosition Role Type:Onsite U.S. Citize...

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GEOINT Systems Engineer

New
Peraton
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Chantilly, VA(On-Site/Office)
Updated Today
TS/SCI
Polygraph

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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Assembly Integration and Test Engineer

New
KBR
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El Segundo, CA(On-Site/Office)
Updated Today
TS/SCI
Not Specified

Title:Assembly Integration and Test EngineerBelong. Connect. Grow. with KBR!KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in t...

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Security Control Assessor

New
KBR
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Washington, DC(On-Site/Office)
Updated Today
TS/SCI
Not Specified

Title:Security Control AssessorJob Posting DescriptionBelong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our cus...

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