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Keywords: Principal Software Engineer- TS/SCI w/Poly, Location: Annapolis Junction, MD

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Principal Software Engineer- TS/SCI w/Poly

/SCI w/Poly required ● US citizenship required ● Role requirements: Analyze user requirements to derive software design... Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Software Engineering...

Posted Date: 12 Mar 2026

Principal Cloud Engineer - TS/SCI w/Poly (Up to 30k sign on bonus available)

● Required Experience: 5+ years of related experience ● Security Clearance Level: TS/SCI w/Poly ● Required Skills and Abilities: Proven... Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Software Engineering...

Posted Date: 31 Jan 2026

Software Engineer - TS/SCI w/ Poly Required

US Citizenship Required: Yes Job Description: SOFTWARE ENGINEER PRINCIPAL Transform technology into opportunity as a Software... along with a drive for innovation to GDIT. The Software Engineer Principal must have: ● Education: Bachelor of Science ● Experience: 8...

Posted Date: 08 Feb 2026

Cyber Capabilities Developer, Principal (TS/SCI w/ Poly)

skills in C, Windows internals, and low-level engineering. What Required Skills You'll Bring: Active TS/SCI + Polygraph... Be Doing: Developing high-performance software in C that leverages deep Windows Internals knowledge to support a critical...

Company: Parsons
Posted Date: 01 Jan 2026

Senior Cloud-Native Platform Engineer (Active TS/SCI /w Poly)

US Citizenship Required: Yes Job Description: Software Engineer Principal TS/SCI with Polygraph Required Ready to build... to a team where your work has real impact. We’re looking for a Software Engineer Principal who thrives in Linux-based...

Posted Date: 21 Feb 2026
Salary: $147292 - 199278 per year

Principal Software Engineer

ACTIVE TS/SCI Clearance with Poly REQUIRED Position Overview: Red Arch Solutions is hiring a Principal Software... Engineer to join a priority program in Annapolis Junction, Maryland. We are looking for a Software Developer with experience...

Posted Date: 05 Feb 2026

Cyber Software Engineer Senior Staff - DSP

LMCareers Business Unit RMS Security Clearance TS/SCI w/Poly SP Shift First Direct/Indirect Direct... hires! Cyber Software Engineer Principal - DSP Digital Signal Processing WHAT WE'RE DOING Lockheed Martin, Cyber...

Company: Lockheed Martin
Location: Fort Meade, MD
Posted Date: 15 Jan 2026

OCO DevSecOps Engineer III

● Security clearance level: The ability to obtain a TS/SCI with Poly ● US citizenship required ● Role requirements...: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Software Engineering Job Qualifications...

Posted Date: 30 Jan 2026
Salary: $144500 - 195500 per year

CNO Developer (Embedded/Reverse Engineering) General Application [Clearance Required]

more. NOTE: Openings range from entry (0-2 years), to principal (20+) level and REQUIRE TS/SCI + Poly! Strongly Preferred... years of experience TS/SCI and appropriate level poly Hands on software development experience Other Skills/Experience...

Posted Date: 20 Dec 2025