Software Development Engineer in Test; SDET
Job in
Reston, Fairfax County, Virginia, 20190, USA
Listed on 2026-10-09
Listing for:
NPAworldwide
Full Time
position Listed on 2026-10-09
Job specializations:
-
Software Development
Software Engineer, DevOps, Software Testing, Full Stack Developer
Job Description & How to Apply Below
Visa sponsorship provided:
No
Location:
Reston Remote Status: no remote
Pay Type:
Annual Salary Salary: /US Dollars Occupational Categories:
Information Technology/ Computing/ Cyber/ Software Industry(ies):
Aerospace / Defense We are seeking a mid-level Software Development Engineer in Test (SDET) to help build and mature the testing infrastructure supporting production software for simulation, optimization, and decision support in mission-focused environments. This role is for someone who can develop robust test harnesses, mocking infrastructure, and automated and manual testing strategies. A successful candidate will also help integrate testing into CI/CD pipelines and improve software quality and reliability across Java, Rust, and Type Script-based applications.
The strongest candidates will bring solid software development fundamentals, hands-on experience with software testing and test infrastructure, and the technical judgment to build scalable, maintainable testing practices across a growing production codebase.
Required Qualifications SECRET CLEARANCEBachelors degree in computer science, mathematics, physics, applied math, or related field At least 3 years of industry experience Experience building test infrastructure including mocking and CI/CD pipelines Experience in software testing and test harness development Experience designing automated and manual testing Software Development experience in Java, Rust or Typescript/React Ability to work effectively with researchers, engineers, and end users to translate technical concepts into usable software Familiarity with full-stack web application development in any frameworks/languages U.S. CITIZENSHIP REQUIRED Experience using ADO, Gitlab or similar CI/CD tools
Qualifications:
Required Qualifications secret clearance
Bachelors degree in computer science, mathematics, physics, applied math, or related field At least 3 years of industry experience Experience building test infrastructure including mocking and CI/CD pipelines Experience in software testing and test harness development Experience designing automated and manual testing Software Development experience in Java, Rust or Typescript/React Ability to work effectively with researchers, engineers, and end users to translate technical concepts into usable software Familiarity with full-stack web application development in any frameworks/languages U.S. CITIZENSHIP REQUIRED Experience using ADO, Gitlab or similar CI/CD tools
Why is This a Great Opportunity :
We are seeking a mid-level Software Development Engineer in Test (SDET) to help build and mature the testing infrastructure supporting production software for simulation, optimization, and decision support in mission-focused environments. This role is for someone who can develop robust test harnesses, mocking infrastructure, and automated and manual testing strategies.
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