Top Secret / SCI Clearance Jobs

Top Secret/SCI

Viewing 1 - 20 of 14,955

Top Secret / SCI Jobs requiring security clearance

Systems Integration - Sensor Integration and Modernization

New
Peraton
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Chantilly, VA(On-Site/Office)
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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Systems Engineer - JCIDS

New
Peraton
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Saint Louis, MO(On-Site/Office)
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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Mid-Level Systems Engineer

New
Peraton
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Springfield, VA(On-Site/Office)
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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Linux Systems Administrator (SDN / Cisco ACI)

New
Peraton
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College Park, MD(On-Site/Office)
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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Senior Systems Engineer Product Owner

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

Date Posted:2026-01-19Country: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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Janitor - 1st Shift

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

Date Posted:2026-01-19Country: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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Expert-Level Test Systems Engineer

New
Peraton
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Chantilly, VA(On-Site/Office)
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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Chief Operations and Integration Engineer

New
Peraton
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Boulder, CO(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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Systems Engineering, Advisor

New
Peraton
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Springfield, VA(On-Site/Office)
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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Systems Engineer

New
Peraton
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Chantilly, VA(On-Site/Office)
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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Senior Mission Integrator

New
Peraton
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Chantilly, VA(On-Site/Office)
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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Intelligence Program Manager

New
Peraton
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Stuttgart(On-Site/Office)
Posted today
TS/SCI
CI 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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Intelligence Analyst Lead

New
Peraton
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Huntingdon(On-Site/Office)
Posted today
TS/SCI
CI 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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Intelligence Deputy Program Manager

New
Peraton
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Huntingdon(On-Site/Office)
Posted today
TS/SCI
CI 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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Human Intelligence, Senior Advisor

New
Peraton
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Stuttgart(On-Site/Office)
Posted today
TS/SCI
CI 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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Software Engineer 3

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

Markon's partner company is seeking a Software Engineer Level 3 with 15+ years of relevant experience to design, develop, integrate, and sustain modern software solutions in a Linux-based environment....

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Senior Devops Engineer

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

Markon's partner company is seeking a DevOps Engineer Level 3 to support the deployment, automation, integration, and sustainment of Linux-based platforms in a high-performance environment. This role ...

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Software Engineer 2

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

Markon's partner company is seeking a Software Engineer Level 2 to support the design, development, integration, and sustainment of software applications in a fast-paced environment. Responsibilities ...

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Linux Systems Administrator

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

We are seeking an experienced Linux Systems Administrator to support both Linux-based workstations and servers across physical and virtual environments for an IC customer . In this role, you will perf...

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Full Stack Engineer 3

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

Markon's partner company is seeking a motivated Senior Full-Stack Engineer to support the Corporate Discovery Services mission. In this role, you will work closely with mission stakeholders to capture...

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