Software Development Engineer in Test (SDET)

metron· Advanced Mathematics Applications
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📍 Reston, VA

About this 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 

 

Frequently Asked Questions

Is the salary disclosed for the Software Development Engineer in Test (SDET) position at metron?
The salary for this Software Development Engineer in Test (SDET) role at metron is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Software Development Engineer in Test (SDET) position at metron located?
This Software Development Engineer in Test (SDET) role at metron is based in Reston, VA. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Which team or department does the Software Development Engineer in Test (SDET) at metron belong to?
This Software Development Engineer in Test (SDET) position is part of the Advanced Mathematics Applications department at metron. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Software Development Engineer in Test (SDET) position at metron?
Click the "Apply Now" button on this page. You will be redirected to metron's official application portal hosted on greenhouse where you can submit your application directly.
When was the Software Development Engineer in Test (SDET) job at metron posted?
This Software Development Engineer in Test (SDET) position at metron was posted on Aug 27, 2026. Apply as soon as possible — early applications are often reviewed first.
Software Development Engineer in Test (SDET)
metron
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