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Top Secret / SCI Clearance IT - Software Jobs

Top Secret/SCI IT - Software

Viewing 1 - 20 of 3,071

Top Secret / SCI IT - Software Jobs requiring security clearance

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Android Developer/CNO/CNE - TS/SCI

New
Leading Path Consulting LLC
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Mclean, VA(On-Site/Office)
Posted today
5+ yrs exp
TS/SCI

Android Development Engineer (CNO/CNE) - Android (also flavors of Android) deep OS experience is a MUST have. - Proficiency coding in C, C# and/or Objective C - Both devel...

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Staff Systems Engineer

New
Northrop Grumman
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Dulles, VA(On-Site/Office)
Posted today
TS/SCI
Not Specified

RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: SCITRAVEL: NoDescriptionAt Northrop Grumman, our employees have incredible opportunities t...

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DevOps Engineer

New
Scorpion Inc
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Fort Gordon, GA(On-Site/Office)
Fort Gordon, GA(On-Site/Office)
Posted today
2+ yrs exp
TS/SCI
CI Polygraph

Job Description: We are seeking a DevOps Engineer to help build, deploy, and maintain backend infrastructure that supports software defined radio (SDR) applications. In this role, you’ll work alongsid...

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Ground Software Engineer

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

Job Number 719743BR Description:WHO WE ARELockheed Martin is a global leader in aerospace, defense, and technology solutions, dedicated to pushing the boundaries of innovation and shaping the future ...

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RF Payloads Chief Systems Architect (Level VI) - Top Secret clea

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

Job Number 720256BR 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 - Level 2

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

Job Number 717241BR 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 (Onsite)

New
RTX
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Las Cruces, NM(On-Site/Office)
Posted today
TS/SCI
Polygraph

Date Posted:2026-03-10Country:United States of AmericaLocation:US-NM-LAS CRUCES-12400-CUST ~ 12400 NASA Rd ~ ASFCF CTR (External Site)Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigratio...

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Technology Insertion Systems Engineer

New
Peraton
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Fort Meade, 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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AI Software Engineer

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

Job Number 703931BR 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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VTC/AV - Technical Operations Coordinator - JDC

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

ResponsibilitiesNoblis ESI is seeking a Technical Operations Coordinator to support our customer in Chantilly, VA. The Technical Operations Coordinator is responsible for ensuring reliable and high-pe...

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Software Engineer Iii

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

Markon's partner company is seeking a highly experienced Software Engineer III to design, develop, and sustain complex software systems supporting High Performance Computing (HPC) environments in a Li...

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Software Engineer Ii - Devops

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

Markon's partner company is seeking a Software Engineer II to design, develop, test, deploy, and maintain complex software and infrastructure solutions in a mission-driven environment. This role suppo...

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Software Engineer Iii

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 an experienced Software Engineer III to design, develop, enhance, and deploy complex software systems in support of mission-critical programs. This role includes en...

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Software Engineer Ii

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

Markon's partner company is seeking a Software Engineer II to design, develop, and maintain scalable data workflows and automation pipelines using Apache Airflow. This role supports data engineering, ...

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Software Integration Engineer Iv

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

Markon's partner company is seeking a Senior Software Integration Engineer to support the integration, deployment, and sustainment of complex software systems for an IC customer. Responsibilities Inte...

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Software Integration Engineer Iv

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

Markon's partner company is seeking a Software Integration Engineer to support automated integration and system testing across a diverse range of High Performance Computing (HPC) operating environment...

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Software Engineer Iii

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 to support the development and sustainment of GHOSTGEM's software suite of applications, including DINO and future mission capabilities for the ...

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Software Engineer Ii

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 to support the development and sustainment of GHOSTGEM's software suite of applications, including DINO and future mission capabilities for the ...

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High-performance Computing (hpc) Software Engineer Iii

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 High-Performance Computing (HPC) Software Engineer to design, develop, optimize, and maintain scalable parallel and distributed systems operating in advanced HPC ...

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Senior Mobile Developer

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

Markon's partner company is seeking an experienced Mobile Software Developer to join a collaborative team developing and maintaining software solutions that support the discovery and analysis of missi...

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