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Keywords: Principal DevOps Engineer (TS/SCI), Location: USA

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Principal AI/ML Engineer (SWE-4)

Description Leidos has a new and exciting opportunity for a Principal AI/ML Engineer in our National Security Sector...) to fifteen (15) years of relevant experience. Security Clearance Requirement: Candidates must possess an active TS/SCI...

Company: Leidos
Location: Ellicott City, MD
Posted Date: 03 Feb 2026

Principal AI/ML Engineer (SWE-4)

Description Leidos has a new and exciting opportunity for a Principal AI/ML Engineer in our National Security Sector...) to fifteen (15) years of relevant experience. Security Clearance Requirement: Candidates must possess an active TS/SCI...

Company: Leidos
Location: Severn, MD
Posted Date: 03 Feb 2026

Principal AI/ML Engineer (SWE-4)

Description Leidos has a new and exciting opportunity for a Principal AI/ML Engineer in our National Security Sector...) to fifteen (15) years of relevant experience. Security Clearance Requirement: Candidates must possess an active TS/SCI...

Company: Leidos
Location: Catonsville, MD
Posted Date: 03 Feb 2026

Principal AI/ML Engineer (SWE-4)

Description Leidos has a new and exciting opportunity for a Principal AI/ML Engineer in our National Security Sector...) to fifteen (15) years of relevant experience. Security Clearance Requirement: Candidates must possess an active TS/SCI...

Company: Leidos
Location: Hanover, MD
Posted Date: 03 Feb 2026

Principal AI/ML Engineer (SWE-4)

Description Leidos has a new and exciting opportunity for a Principal AI/ML Engineer in our National Security Sector...) to fifteen (15) years of relevant experience. Security Clearance Requirement: Candidates must possess an active TS/SCI...

Company: Leidos
Location: Columbia, MD
Posted Date: 03 Feb 2026

Principal AI/ML Engineer (SWE-4)

Description Leidos has a new and exciting opportunity for a Principal AI/ML Engineer in our National Security Sector...) to fifteen (15) years of relevant experience. Security Clearance Requirement: Candidates must possess an active TS/SCI...

Company: Leidos
Location: Riverdale, MD
Posted Date: 03 Feb 2026

Principal AI/ML Engineer (SWE-4)

Description Leidos has a new and exciting opportunity for a Principal AI/ML Engineer in our National Security Sector...) to fifteen (15) years of relevant experience. Security Clearance Requirement: Candidates must possess an active TS/SCI...

Company: Leidos
Location: Odenton, MD
Posted Date: 03 Feb 2026

Principal AI/ML Engineer (SWE-4)

Description Leidos has a new and exciting opportunity for a Principal AI/ML Engineer in our National Security Sector...) to fifteen (15) years of relevant experience. Security Clearance Requirement: Candidates must possess an active TS/SCI...

Company: Leidos
Location: Laurel, MD
Posted Date: 03 Feb 2026

Principal AI/ML Engineer (SWE-4)

Description Leidos has a new and exciting opportunity for a Principal AI/ML Engineer in our National Security Sector...) to fifteen (15) years of relevant experience. Security Clearance Requirement: Candidates must possess an active TS/SCI...

Company: Leidos
Location: Fort Meade, MD
Posted Date: 03 Feb 2026

Principal AI/ML Engineer (SWE-4)

Description Leidos has a new and exciting opportunity for a Principal AI/ML Engineer in our National Security Sector...) to fifteen (15) years of relevant experience. Security Clearance Requirement: Candidates must possess an active TS/SCI...

Company: Leidos
Location: Burtonsville, MD
Posted Date: 03 Feb 2026

AWS Full Stack Developer Software Engineer - Principal I

AWS Full Stack Developer Software Engineer - Principal I This is only open to current candidates that are US Citizens... Must be able to obtain a TS/SCI Clearance 8+ years of software development experience required Minimum 2+ years with AWS...

Location: Dulles, VA
Posted Date: 29 Jan 2026
Salary: $120000 - 145000 per year

Sr. Principal Systems Security Engineer

Qualifications: Education: Sr. Principal Cyber Systems Engineer Bachelor’s Degree (STEM) with 8 Years of relevant experience...: Active Top Secret (TS) Security Clearance, SCI Eligible and U.S. Citizenship required Possess CISSP, CSSLP, CASP, CISM...

Company: Northrop Grumman
Location: Virginia
Posted Date: 28 Jan 2026

Principal Software Engineer

Title: Principal Software Engineer Belong. Connect. Grow. with KBR! KBR, is seeking a highly motivated Principal...: Flexible Qualifications: Required: Security Clearance: Must be eligible to obtain a U.S. government TS/SCI security...

Company: KBR
Posted Date: 24 Jan 2026

Principal Azure Cloud Engineer

a motivated and experienced Principal Azure Cloud Engineer to join our team in Chantilly, VA. You will help design, implement... Clearance Requirements: Must have a current/active TS/SCI with Polygraph Physical Requirements: Must be able to remain...

Company: ManTech
Location: Chantilly, VA
Posted Date: 23 Jan 2026

Principal Software Engineer

Leidos has an exciting opportunity for a Principal Software Engineer in our Intel Security Sector's Analysis Solutions... must have an active TS/SCI with polygraph security clearance Preferred Qualifications: Experience with structured analysis and design...

Company: Leidos
Location: Bethesda, MD
Posted Date: 23 Jan 2026

Principal Test Engineer

Leidos has an exciting opportunity for a Principal Test Engineer in our Intel Security Sector's Analysis Solutions... TS/SCI with Polygraph Preferred Qualifications: Experience with administration of MS Windows Server or Linux...

Company: Leidos
Location: Bethesda, MD
Posted Date: 23 Jan 2026

Principal Network Engineer

. Must have active and current TS/SCI with Polygraph. Preferred Qualifications: Experience developing DevOps infrastructure using...Leidos has an exciting opportunity for a Principal Network Engineer in our Intel Security Sector's Analysis Solutions...

Company: Leidos
Location: McLean, VA
Posted Date: 22 Jan 2026

Principal Network Engineer

Leidos currently has an opening for a Principal Network Engineer to work out of our Orlando, FL office, supporting the.... Must possess a minimum of a Secret clearance with ability to obtain and maintain TS/SCI clearance. Leadership experience...

Company: Leidos
Location: Orlando, FL
Posted Date: 15 Jan 2026

Principal Software Engineer / Sr. Principal Software Engineer

Engineer (level 3) or Sr. Principal Software Engineer (level 4). Basic Qualifications Principal Software Engineer... Secret Clearance with SCI and obtain SAP 2 Years Experience with Agile programs including Agile DevOps 2 Years Experience...

Posted Date: 14 Jan 2026
Salary: $103600 - 155400 per year

Principal Platform Engineer

. Come join an organization responsible for being a key enabler of Spacepower! SPA has an immediate need for a Principal Platform Engineer.... Responsibilities: SPA is seeking a Principal Platform Engineer to build, deploy, operate, sustain, and continuously enhance a secure...

Posted Date: 02 Jan 2026