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Keywords: Senior Software Engineer - TS/SCI, Location: Arlington, VA

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Senior Software Engineer - TS/SCI

The Defense Sector at Leidos is currently seeking a Senior Software Engineer with 8+ years of professional experience..., and help drive the successful delivery of complex software products built with Java, Rust, JavaScript, and React...

Company: Leidos
Location: Arlington, VA
Posted Date: 25 Feb 2026
Salary: $107900 - 195050 per year

Team Lead – Principal Software Engineer - TS/SCI

The Defense Sector at Leidos is currently seeking a Team Lead – Principal Software Engineer with 12+ years..., secure, and maintainable software solutions Serve as a senior technical authority and escalation point for cross-team...

Company: Leidos
Location: Arlington, VA
Posted Date: 25 Feb 2026

Senior Cyber Software Developer/Engineer

with confidence, and proactively manage to secure success. Work You'll Do As a Senior Software Developer/Engineer, you will lead.... Qualifications Required: Bachelor's degree required Must be able to obtain and maintain the required TS/SCI clearance...

Company: Deloitte
Location: Rosslyn, VA
Posted Date: 06 Feb 2026

Phenomenal Full Stack Software Engineer (2+ years - Senior Level)

Black Cape Title: Full Stack Software Engineer (2+ years - Senior Level) Locations: Arlington, VA, Reston..., VA and areas throughout the DMV area Clearance: MUST have an Active Top Secret of TS/SCI clearance ***MUST HAVE an Active Top...

Company: Black Cape
Location: Arlington, VA
Posted Date: 01 Feb 2026

Marvelous FrontEnd Software Engineer (2+ years - Senior Level)

Black Cape Title: FrontEnd Software Engineer (2+ years to Senior Levels) Locations: Arlington, VA, Reston..., VA and areas throughout the DMV area Clearance: MUST have an Active Top Secret of TS/SCI clearance ***MUST HAVE an Active Top...

Company: Black Cape
Location: Arlington, VA
Posted Date: 01 Feb 2026

Superb BackEnd Software Engineer (2+ years - Senior Level)

Black Cape Title: BackEnd Software Engineer (2+ years - Senior Level) Locations: Arlington, VA, Reston..., VA and areas throughout the DMV area Clearance: MUST have an Active Top Secret of TS/SCI clearance ***MUST HAVE an Active Top...

Posted Date: 01 Feb 2026

Senior Software Engineer

Job Description: Summary Senior Software Engineer Arlington, VA Are you ready to enhance your skills and build... and take your career to the next level! We are seeking a highly skilled and experienced Senior Software Engineer to contribute to the...

Company: Chenega
Location: Arlington, VA
Posted Date: 07 Jan 2026

Cyber Software Developer/Engineer

with confidence, and proactively manage to secure success. Work You'll Do As a Mid-Level Software Developer/Engineer... and maintain the required TS/SCI clearance for this role Ability to travel 5-30%, on average, based on the work you do and the...

Company: Deloitte
Location: Rosslyn, VA
Posted Date: 06 Feb 2026

Network Security Engineer - Senior (w/ active TS)

Network Security Engineer - Senior (w/ active TS) Location: Arlington, VA Clearance: TS/SCI Schedule: TBD Full...-time JOB DESCRIPTION Critical Solutions is seeking an experienced Senior Network Security Engineer to support...

Location: Arlington, VA
Posted Date: 12 Feb 2026

Magnificent Data Engineer (2+ years - Senior Level)

Black Cape Title: Magnificent Data Engineer (2+ years - Senior Level) Locations: Arlington, VA, Reston..., VA and areas throughout the DMV area Clearance: MUST have an Active Top Secret of TS/SCI clearance ***MUST HAVE an Active Top...

Company: Black Cape
Location: Arlington, VA
Posted Date: 01 Feb 2026

Senior Network Engineer - 2nd or 3rd shift

, software, and security solutions. As a Senior Network Engineer, you will bring your years of experience and expertise...Responsibilities Peraton is seeking a self-driven and resourceful Senior Network Engineer to join our dynamic Network...

Company: Peraton
Location: Arlington, VA
Posted Date: 26 Dec 2025
Salary: $104000 - 166000 per year

Senior Full Stack Developer

Leidos is seeking a talented Senior Full Stack Software Engineer to join our team to support our customer. The... Qualifications U.S. Citizenship and active DoD TS/SCI US Clearance. Bachelor's Degree and a minimum of 12 years of directly...

Company: Leidos
Location: Arlington, VA
Posted Date: 25 Feb 2026

Senior Network Administrator

a seasoned professional with an active TS/SCI security clearance, don't miss this chance to work in a dynamic environment...Our Client is hiring a full-time Senior Network Administrator to join our on-site team in Arlington, VA. In this vital...

Posted Date: 12 Feb 2026

Network Engineer

Job Description: Job Description Transform technology into opportunity as a Network Engineer Senior with GDIT. A career in enterprise IT means connecting... how agencies operate. At GDIT, people are our differentiator. As a Network Engineer Senior you will help ensure today is safe...

Company: General Dynamics
Location: Crystal City, VA
Posted Date: 19 Feb 2026
Salary: $97750 - 132250 per year

Experienced F5 Network Engineer

QUALIFICATIONS Education and Certifications Active TS/SCI security clearance Active network certification, such as Cisco...Join our client as a full-time Experienced F5 Network Engineer and lead a skilled team in delivering exceptional IT...

Posted Date: 18 Feb 2026

Sr. Hardware Development Engineer, Bespoke Solutions

Description Join AWS as a Senior Cloud Hardware Development Engineer to architect and lead the development... with us. The candidate selected must be a US Citizen and obtain and maintain a security clearance at the TS/SCI with polygraph...

Company: Amazon
Location: Arlington, VA
Posted Date: 18 Feb 2026

Sr. Hardware Development Engineer, Bespoke Solutions

Description Application deadline: Feb 9, 2026 Join AWS as a Senior Cloud Hardware Development Engineer to architect... selected candidate obtain and maintain an active TS/SCI security clearance with polygraph or commensurate clearance...

Company: Amazon
Location: Arlington, VA
Posted Date: 06 Feb 2026

Embedded Systems Developer/Engineer

required TS/SCI clearance for this role Ability to travel 5-30%, on average, based on the work you do and the clients... with confidence, and proactively manage to secure success. Work You'll Do As a Mid-Level Embedded Systems Developer/Engineer...

Company: Deloitte
Location: Rosslyn, VA
Posted Date: 06 Feb 2026

Principal Network Engineer

TO SUCCEED - DESIRED: Security Clearance: Active Top Secret with SCI Eligibility clearance OR Active TS/SCI clearance... to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: IT Infrastructure and Operations...

Company: General Dynamics
Location: Arlington, VA
Posted Date: 31 Jan 2026
Salary: $142792 - 172500 per year

Lead Network Engineer

Engineer to work in Arlington, VA. The candidate must have an active TS/SCI. The Lead Network Engineer serves as a designated..., and hybrid).This position requires an active Top Secret/SCI clearance (TS/SCI) for the duration of performance and the ability...

Posted Date: 06 Dec 2025