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Top Secret/SCI

Top Secret / SCI Clearance Jobs

Showing 20,645 Jobs

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Principal or Sr. Principal Cyber Systems Engineer

New
Northrop Grumman
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Posted today
TS/SCI
Not Specified

RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE REQUIRED FOR START: NoCLEARANCE TYPE: SCITRAVEL: Yes, 25% of the TimeDescriptionAt Northrop Grumman, our employees have incredibl...

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Production Operations - Level 3 and Level 4

New
Northrop Grumman
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Posted today
TS/SCI
None

RELOCATION ASSISTANCE: No relocation assistance availableCLEARANCE REQUIRED FOR START: NoCLEARANCE TYPE: NoneTRAVEL: NoDescriptionAt Northrop Grumman, our employees have incredible opportunities to wo...

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Staff Classified Cybersecurity Analyst - TS/SCI

New
Northrop Grumman
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Posted today
TS/SCI
Polygraph

RELOCATION ASSISTANCE: No relocation assistance availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: SCITRAVEL: NoDescriptionAt Northrop Grumman, our employees have incredible opportunities to wo...

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Staff Cyber Systems Engineer

New
Northrop Grumman
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Posted today
TS/SCI
Polygraph

RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: PolygraphTRAVEL: Yes, 10% of the TimeDescriptionAt Northrop Grumman, our employees have in...

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Electrical Engineer Level 3/4 - Electrical Ground Support Equipm

New
Northrop Grumman
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Posted today
TS/SCI
None

RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE REQUIRED FOR START: NoCLEARANCE TYPE: NoneTRAVEL: Yes, 10% of the TimeDescriptionAt Northrop Grumman, our employees have incredib...

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Flight Director Level 3/4 - Spacecraft Operations - Colorado Spr

New
Northrop Grumman
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Posted today
TS/SCI
Not Specified

RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: SCITRAVEL: Yes, 10% of the TimeDescriptionAt Northrop Grumman, our employees have incredib...

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Front End Application Developer

New
Leidos
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Posted today
TS/SCI
Not Specified

R-00189728Description Front End Application Developer Location: Suitland, MDClearance: Active TS/SCILeidos is hiring a Front End Application Developer to support the Office of Naval Intellig...

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Print Circuit Board and Manufacturing Lead

New
Leidos
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Posted today
TS/SCI
Polygraph

R-00189685Description The Mission Solutions Group at Leidos is pursuing a government contract with a classified customer in the National Capital Region which requires a PCB Engineering and Manufacturi...

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Printed Circuit Board Fabricator

New
Leidos
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Posted today
TS/SCI
Polygraph

R-00189260Description The Mission Operations Division at Leidos is seeking a Printed Circuit Board (PCB) Fabricator to support a government contract in the National Capital Region (NCR). The ideal can...

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Chief Engineer - TS/SCI Poly Required

New
Leidos
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Posted today
TS/SCI
Polygraph

R-00189725Description 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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Senior Physicist

New
Leidos
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Posted today
TS/SCI
Polygraph

R-00188537Description Leidos is seeking a Senior Physicist who thrives in research, algorithm development, modeling, simulation, and implementation. The ideal candidate demonstrates strong scientific ...

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M2C2 CTC Integrated Product Team Lead (IPTL)

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

Date Posted:2026-08-14Country:United States of America Location:US-CO-AURORA-S79 ~ 16510 E Hughes Dr ~ BLDG S79 Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements...

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Systems Engineering Manager (Onsite)

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

Date Posted:2026-08-14Country:United States of America Location:US-CO-BUCKLEY-SFB-CUST ~ 18500 E 6th Ave ~ BUCKLEY SFB (External Site) Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigrat...

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Senior Power BI Software Engineer - Clearance Required

New
Lockheed Martin
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Annapolis Junction, MD(On-Site/Office)
Posted today
TS/SCI
Polygraph

Job Number 1600 Standard Job Description WHAT WE'RE DOING• Join Lockheed Martin Rotary and Mission Systems, Cyber & Intelligence, where we foster innovation and integrity.• As a Seni...

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Senior Integration Software Engineer - Clearance Required - HYBR

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

Job Number 1615 Standard Job Description Designs, develops, documents, tests, and maintains full spectrum cyber solutions. Develops and automates secure systems to support cyber offensive, defense an...

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Senior Full Stack Software Engineer - Clearance Required

New
Lockheed Martin
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Annapolis Junction, MD(On-Site/Office)
Posted today
TS/SCI
Polygraph

Job Number 813 Standard Job Description This position is participating in our External Referral Program. If you know somebody who may be a fit, click here to submit a referral. If your referral is hi...

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Data Modernization System Engineer - Clearance Required

New
Lockheed Martin
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Annapolis Junction, MD(On-Site/Office)
Posted today
TS/SCI
Polygraph

Job Number 1317 Standard Job Description WHAT WE'RE DOING• Join Lockheed Martin Rotary and Mission Systems, Cyber & Intelligence, where we foster innovation and integrity.• As a Data...

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Senior Capabilities Development Engineer - Clearance Required

New
Lockheed Martin
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Annapolis Junction, MD(On-Site/Office)
Posted today
TS/SCI
Polygraph

Job Number 1221 Standard Job Description This position is participating in our External Referral Program. If you know somebody who may be a fit, click here to submit a referral. If your referral is h...

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Senior Full Stack Java Software Engineer - Clearance Required

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

Job Number 1479 Standard Job Description Designs, develops, documents, tests, and maintains full spectrum cyber solutions. Develops and automates secure systems to support cyber offensive, defense an...

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Finance Manager, IEO Ops & Missions

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

Date Posted:2026-08-14Country:United States of America Location:US-PA-STATE COLLEGE-5C ~ 302 Science Park Rd ~ BLDG 5C Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requi...

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