Top Secret / SCI Clearance Jobs

Top Secret/SCI

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Top Secret / SCI Jobs requiring security clearance

Software Engineer with Poly SR SWE1

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

Job Number 721615BR Description:THE WORKThis senior role fosters collaboration with other senior engineers for the development of advanced data analytics solutions and agile development projects in s...

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System Integration Test

New
Lockheed Martin
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Herndon, VA(On-Site/Office)
Posted today
TS/SCI
Not Specified

Job Number 720572BR Description: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 realm of possibilities...

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Software Developer - Advanced

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

Job Number 718999BR Description:What We're Doing:Lockheed Martin, Cyber & Intelligence invites you to step up to one of today's most daunting challenges: the use of advanced electronics to undermine ...

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2027 Raytheon Intern - Software Engineer - CO/PA/TX/VA (Onsite)

New
RTX
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Dulles, VA(On-Site/Office)
Posted today
TS/SCI
Polygraph

Date Posted:2026-04-08Country:United States of AmericaLocation:US-VA-DULLES-760 ~ 22260 Pacific Blvd ~ BLDG 60Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: T...

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Principal System Administrator

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

Date Posted:2026-04-08Country: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...

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Cyber Software Engineer Senior Staff

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

Job Number 717895BR Description:WHAT WE'RE DOINGLockheed Martin, Rotary Mission Systems Cyber & Intelligence invites you to step up to one of today's most daunting challenges: the use of advanced ele...

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Project Manager/Transition lead TS/SCI Full Scope Poly

New
IBM
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Annapolis, MD(On-Site/Office)
Posted today
TS/SCI
Full Scope Polygraph

A career in IBM Consulting is built on long-term client relationships and close collaboration worldwide. You'll work with leading companies across industries, helping them shape their hybrid cloud and...

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Software Engineer (Algorithm Developer) - Early Career

New
Lockheed Martin
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King Of Prussia, PA(On-Site/Office)
Posted today
TS/SCI
Not Specified

Job Number 698871BR Description:By bringing together people that use their passion for purposeful innovation, at Lockheed Martin we keep people safe and solve the world's most complex challenges. Our...

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Systems Engineer (SE3)

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

Job Number 715971BR Description:THE WORKThis Systems Engineering role fosters collaboration with other engineers to document, define, and validate high level design/architecture drawings, communicate...

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2027 Raytheon Full Time - Java/C++ Software Engineer I - CO/PA/T

New
RTX
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Dulles, VA(On-Site/Office)
Posted today
TS/SCI
Polygraph

Date Posted:2026-04-08Country:United States of AmericaLocation:US-VA-DULLES-760 ~ 22260 Pacific Blvd ~ BLDG 60Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: T...

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2026 RF Hardware Electrical Engineer I- Onsite

New
RTX
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Aurora, CO(On-Site/Office)
Posted today
TS/SCI
Not Specified

Date Posted:2026-04-08Country:United States of AmericaLocation:US-CO-AURORA-S75 ~ 16800 E Centretech Pkwy ~ BLDG S75Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requireme...

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Senior Software Engineer Staff - Clearance Required

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

Job Number 712837BR 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 hired, you...

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Software Engineer with Poly SR SWE1

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

Job Number 712532BR Description:THE WORKThis senior role fosters collaboration with other senior engineers for the development of advanced data analytics solutions and agile development projects in s...

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Data Scientist with Poly SR DS2

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

Job Number 712046BR Description:THE WORKThis senior role fosters collaboration with other senior engineers for the development of advanced data analytics solutions and agile development projects in s...

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DevOps Engineer - Advanced

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

Job Number 711501BR Description:What We're Doing:Lockheed Martin, Cyber & Intelligence invites you to step up to one of today's most daunting challenges: the use of advanced electronics to undermine ...

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Software Engineer - Senior Level

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

Job Number 711010BR Description:WHAT WE'RE DOINGLockheed Martin, Rotary Mission Systems Cyber & Intelligence invites you to step up to one of today's most daunting challenges: the use of advanced ele...

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Software Engineer - Mid Level

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

Job Number 711009BR Description:WHAT WE'RE DOINGLockheed Martin, Rotary Mission Systems Cyber & Intelligence invites you to step up to one of today's most daunting challenges: the use of advanced ele...

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Targeting Analyst Expert

New
SOSi
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Fort Gordon, GA(On-Site/Office)
Fort Gordon, GA(On-Site/Office)
Posted today
TS/SCI
Not Specified

Company DescriptionFounded in 1989, SOSi is among the largest private, founder-owned technology and services integrators in the defense and government services industry. We deliver tailored solutions,...

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Tactical Operations Lead

New
SOSi
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Honolulu, HI(On-Site/Office)
Posted today
TS/SCI
Not Specified

Company DescriptionFounded in 1989, SOSi is among the largest private, founder-owned technology and services integrators in the defense and government services industry. We deliver tailored solutions,...

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Naval T&E Analyst

New
SPA
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Alexandria, VA(On-Site/Office)
Posted today
TS/SCI
Not Specified

OverviewSystems Planning and Analysis, Inc. (SPA) delivers high-impact, technical solutions to complex national security issues. With over 50 years of business expertise and consistent growth, we are ...

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