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
Numbers & Facts
Location
Reston, VA
Skills
Computer Scienceunmatched
Continuous Deployment/Deliveryunmatched
Continuous Integrationunmatched
Decision Supportunmatched
Dental Insuranceunmatched
DoD Clearanceunmatched
Employee Assistance Planunmatched
Fitnessunmatched
Infrastructure Softwareunmatched
Javaunmatched
Mathematicsunmatched
Microsoft ADO (ActiveX Data Object)unmatched
Physicsunmatched
Production Supportunmatched
Quality Assurance Methodologyunmatched
Quality Managementunmatched
React.jsunmatched
Reimbursementunmatched
Reliability Engineeringunmatched
Scalable System Developmentunmatched
Security Clearanceunmatched
Software Administrationunmatched
Software Design for Test (SDET)unmatched
Software Developmentunmatched
Software Engineeringunmatched
Software Simulationunmatched
Software Testingunmatched
Test Automationunmatched
Test Harnessunmatched
Test Plan/Scheduleunmatched
Test Strategyunmatched
Testingunmatched
United States Citizenunmatched
Vision Planunmatched
Web Programmingunmatched
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