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Keywords: Senior Software Engineer, Level 3 - Clearance Required, Location: USA

Page: 60

Forward Deployed AI/ML Engineer Sr

and business (F&BO) customers Clearance Level: None Other Important Information You Should Know Expression of Interest... to drive business success? We're seeking a highly skilled AI/ML Engineer to join our team as a trusted technical liaison...

Company: Lockheed Martin
Location: Fort Worth, TX
Posted Date: 28 Jan 2026
Salary: $108800 - 191820 per year

DevSecOps Engineer Senior - Top Secret Clearance Required to Start

. Selected candidate must have a Final Top Secret security clearance PRIOR to start. This is an MID CAREER (level 3) ROLE... Statement: This position requires a government security clearance, you must be a US Citizen for consideration. Clearance Level...

Posted Date: 27 Jan 2026

Senior Unix Engineer

Description The Digital Modernization Sector at Leidos currently has an opening for a Senior Unix Engineer to provide... and oral communication skills. Ability to obtain Public Trust clearance Candidate must be able to meet DoD IAT Level 2...

Company: Leidos
Location: Lanham, MD
Posted Date: 21 Jan 2026
Salary: $107900 - 195050 per year

Senior Unix Engineer

Description The Digital Modernization Sector at Leidos currently has an opening for a Senior Unix Engineer to provide... and oral communication skills. Ability to obtain Public Trust clearance Candidate must be able to meet DoD IAT Level 2...

Company: Leidos
Location: College Park, MD
Posted Date: 21 Jan 2026
Salary: $107900 - 195050 per year

Senior Unix Engineer

Description The Digital Modernization Sector at Leidos currently has an opening for a Senior Unix Engineer to provide... and oral communication skills. Ability to obtain Public Trust clearance Candidate must be able to meet DoD IAT Level 2...

Company: Leidos
Posted Date: 21 Jan 2026
Salary: $107900 - 195050 per year

Senior Unix Engineer

Description The Digital Modernization Sector at Leidos currently has an opening for a Senior Unix Engineer to provide... and oral communication skills. Ability to obtain Public Trust clearance Candidate must be able to meet DoD IAT Level 2...

Company: Leidos
Location: Mount Vernon, VA
Posted Date: 21 Jan 2026
Salary: $107900 - 195050 per year

Senior Software Engineer, Level 3 - Clearance Required

Engineer. In this role, you will support the software engineering lifecycle following the program Software Development Plan...LMCareers Business Unit SPACE Security Clearance Secret Shift First Direct/Indirect Direct Business...

Company: Lockheed Martin
Location: USA
Posted Date: 09 Jan 2026
Salary: $107300 - 185840 per year

Senior Software Engineer, Level 3 - Clearance Required

as Testbed Simulation Software. Secret clearance is required. Basic Qualifications - Unix/Linux based development..., and Operating System (OS) level experience, C/C++/Java experience, and Database experience. - Must have experience with software...

Company: Lockheed Martin
Location: Sunnyvale, CA
Posted Date: 08 Jan 2026
Salary: $107300 - 185840 per year

Senior Systems Engineer, Level 3 - Clearance Required

LMCareers Business Unit SPACE Security Clearance TS/SCI w/Poly Shift First Direct/Indirect Direct... for you. As a Systems Engineer, you will be part of the System Engineering team within the MOATS Program. The program is focused...

Company: Lockheed Martin
Location: Littleton, CO
Posted Date: 07 Feb 2026
Salary: $102800 - 178135 per year

Systems Engineer – Senior Level - TS/SCI Clearance Required

Description: We are seeking a highly motivated and experienced Senior Systems Engineer specializing in Sensor... in segment level Systems Engineering 3+ years of experience in multiple system, service, and interface integration...

Company: Core-CSI LLC.
Location: Springfield, VA
Posted Date: 05 Feb 2026

Senior Software Engineer - Guardian (C2/SA/Multi-Domain) TS Clearance Required

impact. We’re looking for a senior-level engineer who thrives on solving complex problems, cares about good architecture.../WebSockets) with message persistence and audit in IL5/IL6. Engineer multi-level security (MLS) patterns and cross-domain flows...

Company: Aviture
Location: Omaha, NE
Posted Date: 24 Dec 2025

Software Engineer Senior, Test Automation - Level 3

solutions for the F-16 and FA-50 programs. What You Will Be Doing As the Software Engineer Senior - Test Automation...: Software Job Category Experienced Professional Req Type Full-Time Job Description You will be the Software Engineer...

Company: Lockheed Martin
Location: Fort Worth, TX
Posted Date: 22 Nov 2025
Salary: $107300 - 185840 per year

Senior Software Engineer, Level 3

and flight software. Lockheed Martin Space is seeking a full time Senior Software Engineer. In this role, you will support the... and leadership skills then we hope you will consider applying. We are looking for an senior software engineer with a proven technical...

Company: Lockheed Martin
Location: Littleton, CO
Posted Date: 27 Dec 2025
Salary: $107300 - 185840 per year

Software Engineer Senior - Linux C++ Ada (Mid Career - Level 3)

Job Category Experienced Professional Req Type Full-Time Job Description You will be the Software Engineer Senior for the...LMCareers Business Unit AERONAUTICS COMPANY Security Clearance Secret Shift First Direct/Indirect Direct...

Company: Lockheed Martin
Location: Utah
Posted Date: 22 Jan 2026
Salary: $107300 - 185840 per year

Senior Software Developer - CLEARANCE REQUIRED

Zachary Piper Solutions is seeking a cleared (ideally a TSA or ICE PT level 4, or any DHS clearance) Senior Software...-HYBRID keywords: Senior Software Developer, Software Engineer, Backend Developer, Python Developer, Remote Developer...

Posted Date: 23 Dec 2025
Salary: $135000 - 150000 per year

Sr. Software Engineer, HITL - Top Secret Clearance

ultimate goal of enabling human life on Mars. SR. SOFTWARE ENGINEER, HITL - TOP SECRET CLEARANCE As a Sr. Software Engineer... Engineer/Senior: $160,000.00 - $220,000.00/per year Your actual level and base salary will be determined on a case-by-case...

Company: SpaceX
Location: USA
Posted Date: 03 Feb 2026

Sr. Software Engineer (Special Projects) - Top Secret Clearance

AND BENEFITS: Pay Range: Software Engineer/Senior: $160,000.00 - $220,000.00/per year Your actual level and base salary... ultimate goal of enabling human life on Mars. SR. SOFTWARE ENGINEER (SPECIAL PROJECTS) - TOP SECRET CLEARANCE As a Software...

Company: SpaceX
Location: USA
Posted Date: 25 Nov 2025

Sr. Site Reliability Engineer - Top Secret Clearance (Application Software, Data)

AND BENEFITS: Pay Range: Software Engineer/Senior: $160,000.00 - $220,000.00/per year Your actual level and base salary... ultimate goal of enabling human life on Mars. SR. SITE RELIABILITY ENGINEER, DATA - TOP SECRET CLEARANCE (APPLICATION...

Company: SpaceX
Location: USA
Posted Date: 19 Nov 2025

DevSecOps Engineer, Senior - Active TS/SCI Clearance to Start

Area. Are you a Senior DevSecOps Engineer for something different? In this role you will: Have access to growth... difference. This is a level 3, early to mid career role where successful Applicants will: Typically possess a minimum of 3...

Posted Date: 08 Feb 2026
Salary: $111700 - 193660 per year

G2 Directory Services Engineer / Senior Systems Administrator | Active Top Secret clearance

along with a drive for innovation to GDIT. Our Directory Services Engineer / Senior Systems Administrator must have: Security Clearance...Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able...

Company: General Dynamics
Location: USA
Posted Date: 31 Jan 2026
Salary: $111155 - 150385 per year