Software Development Engineer in Test (SDET)

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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