Top Secret / SCI Clearance Jobs

Top Secret/SCI

Viewing 1 - 20 of 16,242

Top Secret / SCI Jobs requiring security clearance

2026 Cyber Security Intern - Onsite

New
RTX
Apply today! Be one of the first candidates to apply for maximum exposure.
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. ...

user avatar

Platform Engineer II - Linux (Onsite)

New
RTX
Apply today! Be one of the first candidates to apply for maximum exposure.
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...

user avatar

Process Improvement Engineer (Onsite)

New
RTX
Apply today! Be one of the first candidates to apply for maximum exposure.
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...

user avatar

Special Security Officer (SSO)

New
Leidos
Apply today! Be one of the first candidates to apply for maximum exposure.
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...

user avatar

Tier 1/2 Service Desk Support System Administrator

New
Leidos
Apply today! Be one of the first candidates to apply for maximum exposure.
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...

user avatar

Junior Cybersecurity Analyst/Engineer

New
Leidos
Apply today! Be one of the first candidates to apply for maximum exposure.
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...

user avatar

Senior Test Engineer

New
Leidos
Apply today! Be one of the first candidates to apply for maximum exposure.
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...

user avatar

F5 Load Balance Network Engineer

New
Leidos
Apply today! Be one of the first candidates to apply for maximum exposure.
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...

user avatar

Principal Mission Protection System Engineer (Onsite)

New
RTX
Apply today! Be one of the first candidates to apply for maximum exposure.
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...

user avatar

Senior Information Systems Security Officer (ISSO)

New
Peraton
Apply today! Be one of the first candidates to apply for maximum exposure.
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...

user avatar

SITEC - Unified Communication Administrator - MacDill AFB

New
Peraton
Apply today! Be one of the first candidates to apply for maximum exposure.
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...

user avatar

SITEC - Systems Administrator - MacDill AFB

New
Peraton
Apply today! Be one of the first candidates to apply for maximum exposure.
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...

user avatar

SITEC - Multi-Discipline Engineer (System Focused) - Camp H.M. S

New
Peraton
Apply today! Be one of the first candidates to apply for maximum exposure.
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...

user avatar

Senior Systems Engineer (Onsite)

New
RTX
Apply today! Be one of the first candidates to apply for maximum exposure.
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...

user avatar

Platform DevOps Engineer II (Onsite)

New
RTX
Apply today! Be one of the first candidates to apply for maximum exposure.
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...

user avatar

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

New
RTX
Apply today! Be one of the first candidates to apply for maximum exposure.
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...

user avatar

GEOINT Systems Engineer

New
Peraton
Apply today! Be one of the first candidates to apply for maximum exposure.
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...

user avatar

Assembly Integration and Test Engineer

New
KBR
Apply today! Be one of the first candidates to apply for maximum exposure.
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...

user avatar

Security Control Assessor

New
KBR
Apply today! Be one of the first candidates to apply for maximum exposure.
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...

user avatar

SOF CBRNE Advisor

New
CACI
Apply today! Be one of the first candidates to apply for maximum exposure.
Fort Bragg, NC(On-Site/Office)
Updated Today
TS/SCI
Not Specified

SOF CBRNE AdvisorJob Category: IntelligenceTime Type: Full timeMinimum Clearance Required to Start: TS/SCIEmployee Type: RegularPercentage of Travel Required: Up to 25%Type of Travel: Local* * * The O...

user avatar