Top Secret / SCI Clearance Jobs

Top Secret/SCI

Viewing 1 - 20 of 17,066

Top Secret / SCI Jobs requiring security clearance

Cyber Systems Engineer - Level 3 or 4

New
Northrop Grumman
Apply today! Be one of the first candidates to apply for maximum exposure.
Posted today
TS/SCI
Polygraph

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

user avatar

Cyber Systems Engineer - Level 3 or 4

New
Northrop Grumman
Apply today! Be one of the first candidates to apply for maximum exposure.
Posted today
TS/SCI
Polygraph

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

user avatar

Cyber Systems Engineer - Level 3 or 4

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

user avatar

Cyber Systems Engineer - Level 5

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

user avatar

Integration & Test Engineer - Level 3 or 4

New
Northrop Grumman
Apply today! Be one of the first candidates to apply for maximum exposure.
Posted today
TS/SCI
Full Scope Polygraph

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

user avatar

Principal/Sr. Principal RF Microwave Design Engineer

New
Northrop Grumman
Apply today! Be one of the first candidates to apply for maximum exposure.
Posted today
TS/SCI
Not Specified

RELOCATION ASSISTANCE: No relocation assistance availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: SCITRAVEL: Yes, 10% of the TimeDescriptionAt Northrop Grumman, our employees have incredible o...

user avatar

Electronics Engineer V, Avionics, Top Secret Clearance

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
Polygraph

Job Number 723400BR Description:Lockheed Martin is seeking a Senior Staff Electrical Engineer to join the SPP portfolio and lead the development of the overall electrical architecture for multiple pr...

user avatar

Technician Spec

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
Polygraph

Job Number 722849BR Description:The coolest jobs on this planet... or any other... are with Lockheed Martin Space. Lockheed Martin is a pioneer, partner, innovator, and builder. Our amazing people ar...

user avatar

Technician Spec

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
Polygraph

Job Number 722854BR Description:The coolest jobs on this planet... or any other... are with Lockheed Martin Space. Lockheed Martin is a pioneer, partner, innovator, and builder. Our amazing people ar...

user avatar

Technician Sr

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
Polygraph

Job Number 722850BR Description:The coolest jobs on this planet... or any other... are with Lockheed Martin Space. Lockheed Martin is a pioneer, partner, innovator, and builder. Our amazing people ar...

user avatar

Technician Sr

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
Polygraph

Job Number 722855BR Description:The coolest jobs on this planet... or any other... are with Lockheed Martin Space. Lockheed Martin is a pioneer, partner, innovator, and builder. Our amazing people ar...

user avatar

Experienced Senior Capture 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 722994BR Description:Lockheed Martin Space (LMS) is seeking an experienced Senior Capture Manager (CM) to lead large capture campaigns across the company for opportunities valued at $500M+...

user avatar

National Security Space Stakeholder Engagement Representative

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

Job Number 721245BR Description:The National Security Space (NSS) Stakeholder Engagement Representative is responsible for strategically planning, coordinating, and managing NSS stakeholder engagemen...

user avatar

Senior Mission Protection Systems Engineer (Onsite)

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

Date Posted:2026-04-03Country:United States of AmericaLocation:US-VA-SPRINGFIELD-8350-CUST ~ 8350 Alban Rd ~ ALBAN (External Site)Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration St...

user avatar

Sr. Systems Administrator

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

Date Posted:2026-04-03Country:United States of AmericaLocation:US-TX-RICHARDSON-C37 ~ 1737 Cityline Dr ~ CITYLINE C37Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirem...

user avatar

Facilities Engineer

New
V2X
Apply today! Be one of the first candidates to apply for maximum exposure.
Springfield, VA(On-Site/Office)
Posted today
TS/SCI
CI Polygraph

Job Description OverviewWorking across the globe, V2X builds smart solutions designed to integrate physical and digital infrastructure from base to battlefield. We bring 120 years of successful missio...

user avatar

DevOps Engineer 5

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

OverviewAbout M.C. DeanM.C. Dean is Building Intelligence. We design, build, operate, and maintain cyber-physical solutions for the nation's most mission-critical facilities, secure environments, comp...

user avatar

Senior RF Engineer (Level III) - Top Secret clearance

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
Polygraph

Job Number 713161BR Description: Position details: Location: Littleton, COWork Schedule: 9x80Position type: Full-time onsite (this is not a hybrid position) Space is a critical domain, connecting our...

user avatar

Senior Security Policy Analyst

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

Responsibilities*This job posting is for upcoming opportunities. We are seeking a Senior Security Policy Analyst with extensive expertise with the Deputy Assistant Secretary of War for Chemical, Biolo...

user avatar

Acquisition Specialist (Multiple Levels)

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

ResponsibilitiesNoblis is seeking an experienced Acquisition Specialist for our client's operational requirements on a mission-focused program located in Bethesda, MD. Job Responsibility: Assist in p...

user avatar