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Top Secret / SCI Clearance Jobs

Top Secret/SCI

Viewing 1 - 20 of 18,892

Top Secret / SCI Jobs requiring security clearance

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Cybersecurity Specialist (TS/SCI - CI Poly)

New
Zachary Piper Solutions, LLC
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Posted today
TS/SCI
CI Polygraph

Zachary Piper Solutions is seeking a Cybersecurity Specialist to support a federal customer in Ft. Belvoir, VA. This role is part of a dynamic team responsible for design, implementation, operations,...

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Jr. C++ Software Engineer (Sponsoring TS/SCI Clearance)

New
Zachary Piper Solutions, LLC
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Posted today
TS/SCI
Not Specified

Zachary Piper Solutions is seeking a C++ Software Engineer to support the design and development of data and signal processing systems for a defense customer in Fairfax, VA. This role focuses on buil...

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Audiovisual Service Technician (TS/SCI CI Poly)

New
Zachary Piper Solutions, LLC
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Posted today
TS/SCI
CI Polygraph

Zachary Piper Solutions is seeking an Audiovisual Service Technician to support mission-critical audiovisual systems in a high-security environment in Herndon, VA. This role provides hands-on AV troub...

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Audiovisual Engineer (TS/SCI FSP)

New
Zachary Piper Solutions, LLC
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Posted today
TS/SCI
Full Scope Polygraph

Zachary Piper Solutions is seeking an experienced Audiovisual Engineer (Design & Integration) to support complex, mission-critical systems for an Intelligence Community customer in Herndon, VA. This r...

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Cyberspace Exercise Planner 2

New
HII Mission Technologies
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Posted today
TS/SCI
Polygraph

Requisition Number: 28782 Required Travel: 0 - 10% Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range: $85,000.00 - $124,000.00 Security Clearance: TS/SCI with Poly Level of Experi...

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Software Engineer

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

Job Number 726089BR Description:WHAT WE'RE DOINGOn the C2 Ground program, we are a dynamic and diverse team on a recurring multi-year, critical program, seeking an experienced software developer who ...

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Platform Engineering Portfolio Manager (on-site)

New
RTX
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State College, PA(On-Site/Office)
Posted today
TS/SCI
Not Specified

Date Posted:2026-06-01Country:United States of AmericaLocation:US-PA-STATE COLLEGE-5A ~ 302 Science Park Rd ~ BLDG 5APosition Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirem...

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Information Assurance Specialist

New
Leidos
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Hickam Afb, HI(On-Site/Office)
Posted today
TS/SCI
Not Specified

R-00184539Description Information Assurance Specialist – Defend the Pacific Cyber Frontier! Location: Joint Base Pearl Harbor–Hickam, Hawaii Organization: Leidos | Air & Space Force ...

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Item Manager - Level 2

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

Job Number 722955BR Description:You will be the Logistics Item Manager - Level 2 for the Logistics Team which is responsible for overseeing the Autonomic Logistics Management System (ALMS) and ensuri...

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Systems Engineering Lead

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

Job Number 721392BR Description:The coolest jobs on this planet... or any other... are with Lockheed Martin Space.At the dawn of a new space age, Lockheed Martin is a pioneer, partner, innovator, and...

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Principal Thermal Engineer

New
RTX
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El Segundo, CA(On-Site/Office)
Posted today
TS/SCI
Not Specified

Date Posted:Country:United States of AmericaLocation:US-CA-EL SEGUNDO-E01 ~ 2000 E El Segundo Blvd ~ BLDG E01Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Th...

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Senior Infrastructure Technician (on-site)

New
RTX
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State College, PA(On-Site/Office)
Posted today
TS/SCI
Not Specified

Date Posted:2026-06-01Country:United States of AmericaLocation:US-PA-STATE COLLEGE-5A ~ 302 Science Park Rd ~ BLDG 5APosition Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirem...

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Linguist (FARSI) and Iranian Cultural Advisor - Camp Xiphos, Jor

New
Peraton
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Apo(On-Site/Office)
Posted 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 and Test Integration Engineer- Hardware DevOps En

New
General Dynamics Mission Systems
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Scottsdale, AZ(On-Site/Office)
Posted today
TS/SCI
Not Specified

Basic QualificationsRequires a Bachelor's degree in Electrical Engineering, or a related Science, Engineering, Technology or Mathematics field. Also requires 5+ years of job-related experience, or a M...

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Cybersecurity Engineer 4

New
M.C. Dean
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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,...

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Senior Splunk SIEM Engineer

New
Apex Systems
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Alexandria, VA(On-Site/Office)
Posted today
5+ yrs exp
TS/SCI

Job#: 3031010 Sr Splunk SIEM Engineer Location: Onsite Alexandria, VA Employment Type: 6-month contract-to-Hire PLEASE NOTE: Candidates must be able to obtain and/or maintain a Department of Defense...

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Space Planner

New
Markon
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Washington, DC(On-Site/Office)
Posted today
TS/SCI
CI Polygraph

Markon is seeking a qualified Space Planner / Space Auditor to support facility planning, occupancy management, and space utilization initiatives for a government customer. The selected candidate will...

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Sr. Space Planner

New
Markon
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Washington, DC(On-Site/Office)
Posted today
TS/SCI
CI Polygraph

Markon is seeking a qualified Space Planner / Space Auditor to support facility planning, occupancy management, and space utilization initiatives for a government customer. The selected candidate will...

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Target Development Network Analyst (tdna) Level 3

New
Markon
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Fort Meade, MD(On-Site/Office)
Posted today
TS/SCI
Full Scope Polygraph

Markon is seeking a Target Digital Network Analyst (TDNA) Level 3 to support advanced intelligence and cyber operations through in-depth analysis of digital networks, communications, and open-source d...

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Target Development Network Analyst (tdna) Level 2

New
Markon
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Fort Meade, MD(On-Site/Office)
Posted today
TS/SCI
Full Scope Polygraph

Markon is seeking a Target Digital Network Analyst (TDNA) Level 2 to support advanced intelligence and cyber operations through in-depth analysis of digital networks, communications, and open-source d...

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