Software Development Engineer in Test (SDET)
- Salary
- Not stated
- Level
- Mid
- Work type
- Not stated
- Visa
- Not stated
Open. First seen 3 October 2026.
The team: Advanced Mathematics Applications HIRES STEADILY
This role is one of 10 open in Advanced Mathematics Applications. 2 were posted in the last 30 days and the oldest in June: a team that hires all year rather than one being built.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
TypeScript (9 of 10), Java (8 of 10), React (7 of 10), CI/CD (5 of 10), Python (5 of 10), Rust (5 of 10), Kubernetes (4 of 10)
OTHER ROLES ON THIS TEAM
- Project Manager posted Oct 6
- DevSecOps Engineer posted Sep 30
- Technical Summer Internship posted Sep 1
- Mid-Level Software Engineer posted Aug 31
- Rust Software Engineer posted Aug 27
- Software Engineer, Infrastructure posted Aug 27
- Associate Software Engineer posted Aug 25
- Software Engineer - Frontend Development posted Jul 14
- Software Engineer posted Jun 17
From the team and dates on Metron's own job board.
About the role
About Metron
Metron is an employee-owned company dedicated to delivering innovative solutions for the most challenging national security problems. For over 40 years, our principled approach to problem-solving has yielded creative solutions at the intersection of advanced mathematics, computer science, physics, and engineering. Our people are leaders in their technical fields and are passionate about solving challenging problems. We look for individuals who share this same passion and can apply their experience in real-world settings.
Our Reston team is 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 TypeScript-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
- Bachelor’s 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; successful candidates will be subject to a security investigation and must meet eligibility requirements for access to classified information
Desired Qualifications
- Active DoD Security Clearance
- Experience using ADO, Gitlab or similar CI/CD tools
Position Location: Reston, VA
*The selected individual(s) will be required to work from the Reston, VA office
Perks and Benefits
- Medical, Dental and Vision Insurance
- Accompanying FSA and HSA options
- Additional Voluntary Benefits
- Paid Time Off
- 9 Observed Holidays and 2 Floating Holidays
- Paid Parental Leave
- Tuition Reimbursement
- Relocation Assistance
- Professional Development Reimbursement
- Annual Salary Reviews
- Profit Sharing
- 401(k) Traditional and Roth Options
- Gym and Fitness Reimbursement
- Employee Assistance Program
- Employee Referral Program
Metron is an Equal Employment Opportunity (EEO) employer. It is the policy of the company to provide equal employment opportunities to all qualified applicants without regard to race, color, religious, sex, sexual orientation, gender identity, national origin, age, protected veteran or disabled status, or genetic information.
VEVRAA Federal Contractor
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