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Top Secret / SCI Clearance Jobs

Top Secret/SCI

Viewing 1 - 20 of 15,787

Top Secret / SCI Jobs requiring security clearance

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Cloud Engineer

New
Peraton
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Posted 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...

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Sr. Tier 2 Helpdesk Specialist

New
Leidos
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Posted today
TS/SCI
Not Specified

R-00178124Description Leidos is seeking an Sr. Tier 2 Helpdesk Specialist to support large-scale migration and operations on a large, high-profile DOD contract in Fort Belvoir, VA. The I3TS program pr...

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Senior Policy Analyst

New
Leidos
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Posted today
TS/SCI
Not Specified

R-00178120Description 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 customers&...

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Project Coordinator

New
Leidos
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Posted today
TS/SCI
Polygraph

R-00178111Description Leidos has a new and exciting opportunity for a Project Coordinator in our Intelligence Sector's Cyber & Analytics Business Area (CABA).  Our talented team is at the...

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Project Coordinator

New
Leidos
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Posted today
TS/SCI
Polygraph

R-00178111Description Leidos has a new and exciting opportunity for a Project Coordinator in our Intelligence Sector's Cyber & Analytics Business Area (CABA).  Our talented team is at the...

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NMS ServiceNow Senior Software Designer

New
Leidos
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Posted today
TS/SCI
Polygraph

R-00177999Description AT&T has an opening for an NMS ServiceNow Senior Software Designer: To support a key program in AT&T’s National Security business segment. The NMS IT Software Desig...

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NMS ServiceNow Senior Software Designer

New
Leidos
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Posted today
TS/SCI
Polygraph

R-00178002Description AT&T has an opening for an NMS ServiceNow Senior Software Designer: To support a key program in AT&T’s National Security business segment. The NMS IT Software Desig...

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COMSEC Responsible Officer (Onsite)

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

Date Posted:2026-03-11Country: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...

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Logistics Specialist (Logistics Management Analyst 5) - 27460

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

Requisition Number: 27460 Required Travel: 11 - 25% Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range: $120,440.00 - $137,000.00 Security Clearance: TS/SCI Level of Experience: Se...

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GCCS System Administrator

New
Venatore
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Tampa, FL(On-Site/Office)
Posted today
TS/SCI
Not Specified

About UsVenatore is a woman-owned small business headquartered in Tampa, Florida, providing mission-driven technology and professional services to federal defense and civilian agencies. We deliver exp...

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Cartographic Analyst

New
Syntelligent Analytic Solutions, LLC
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Saint Louis, MO(On-Site/Office)
Posted today
TS/SCI
CI Polygraph

Syntelligent Analytic Solutions, LLC provides uniquely qualified personnel with the expertise and tools needed to fulfill our customers' management and technical requirements in the intelligence, defe...

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Electro-Optical Controls Systems Engineer (Level IV) - TS cleara

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

Job Number 712717BR 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 possibilitie...

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Software Engineer Sr, Level 3

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

Job Number 712076BR 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 possibilitie...

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Software Engineer Staff, Level 4

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

Job Number 712077BR 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 possibilitie...

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Principal Systems Engineer Product Owner

New
RTX
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Richardson, TX(On-Site/Office)
Posted today
TS/SCI
Polygraph

Date Posted:2026-03-11Country:United States of AmericaLocation:US-TX-RICHARDSON-C17 ~ 1717 Cityline Dr ~ CITYLINE C17Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirem...

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Systems Engineer

New
Kavaliro
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Springfield, VA(On-Site/Office)
Posted today
TS/SCI
CI Polygraph

We're looking for a Mid-Level Systems Engineer to play a key role in delivering mission-critical GEOINT capabilities across the National System for Geospatial-Intelligence (NSG), Allied System for Geo...

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Cyber Security Engineer

New
Kavaliro
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Chantilly, VA(On-Site/Office)
Posted today
TS/SCI
Full Scope Polygraph

Kavaliro is seeking a Cyber Security Engineer to support a client in Virginia. Job Description: Technical Analysis & System Design Analyze user needs and software requirements to determine design f...

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Software Engineer III

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

Kavaliro is seeking a Software Engineer III to support a client in Fort Meade, MD. Job Description: We are seeking a Software Engineer with strong experience developing and supporting cloud-native, ...

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Cloud System Architect II

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

Kavaliro is seeking a Cloud System Architect II to support a client in Fort Meade, MD. Job Description: We are seeking a Cloud / Infrastructure Engineer to support mission-critical systems at Fort M...

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Information System Security Officer

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

MANTECH seeks a motivated, career and customer-oriented Information Systems Security Officer (ISSO) to join our team in the Annapolis Junction, MD.Responsibilities include but are not limited to:Devel...

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