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Senior Software Engineer in Test (SDET)
Senior Software Engineer in Test (SDET)The Nuclear Company • Seattle, WA, US
Senior Software Engineer in Test (SDET)

Senior Software Engineer in Test (SDET)

The Nuclear Company • Seattle, WA, US
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Senior Software Engineer in Test (SDET)

About The Nuclear Company

The Nuclear Company (TNC) is at the forefront of revolutionizing nuclear energy through cutting-edge technology and innovative digital solutions.  We're building Nuclear OS, a comprehensive digital platform that transforms how nuclear facilities are designed, constructed, and operated.

Our technology staff is embedded alongside engineering, procurement, and construction teams, ensuring our software solutions are built from real-world nuclear deployment experience.

Position Overview

We're seeking a passionate Software Engineer in Test to join our mission-critical team developing software that ensures the safety, compliance, and efficiency of nuclear operations. This role combines the excitement of cutting-edge technology with the responsibility of supporting clean energy infrastructure that powers our future.

Key Responsibilities

Test Strategy & Framework Development

  • Design and implement comprehensive test automation frameworks for Nuclear OS applications
  • Develop testing strategies for safety-critical nuclear software systems
  • Create and maintain QA / QC data validation systems, including inspection reports, test results, and compliance documentation
  • Build automated testing pipelines that integrate with our continuous deployment processesDevelop advanced analytics and AI capabilities
  • Implement foundational architecture that combines Palantir's powerful data integration and modeling capabilities with quality objectives

Nuclear-Specific Testing

  • Validate QA records with attributes like date, result (pass / fail), inspector credentials, and linkage to ITAAC requirements
  • Test software systems that manage nuclear component tracking, system testing, and regulatory compliance
  • Implement data quality checks and validation routines to catch inconsistencies in critical nuclear data
  • Ensure software meets stringent nuclear industry standards and regulatory requirements

    • Advanced Testing & Analytics

  • Develop testing frameworks for root cause analysis tools that trace system histories, component manufacturing records, and test procedures
  • Create performance and load testing suites for mission-critical nuclear operations software
  • Build testing infrastructure for AI-powered compliance and project management tools

    • Quality Assurance & Compliance

  • Ensure testing processes conform to Nuclear Quality Assurance programs (NQA-1 standards)
  • Validate electronic signature systems and traceability workflows
  • Test regulatory reporting and documentation systems

    • Collaboration & Communication

  • Strong problem-solving skills with ability to work in cross-functional teams
  • Experience translating business requirements into technical solutions
  • Ability to work effectively with non-technical stakeholders
  • Excellent written and verbal communication skills

    • Required Qualifications

    Technical Skills

  • 5+ years of software testing experience, preferably in regulated industries
  • Strong programming skills in Python, Java, C#, or similar languages
  • Test automation expertise with frameworks like Selenium, Cypress, TestNG, or Playwright
  • API testing proficiency using tools like Postman, REST Assured, or similar
  • Database testing experience with SQL and NoSQL databases
  • CI / CD pipeline experience with Jenkins, GitLab CI, or Azure DevOps

    • Nuclear Industry Knowledge (Preferred)

  • Understanding of nuclear regulatory requirements and compliance frameworks
  • Experience with personnel qualification tracking and training record systems
  • Knowledge of ITAAC (Inspections, Tests, Analyses, and Acceptance Criteria) processes
  • Familiarity with nuclear quality assurance standards

    • Professional Attributes

  • Detail-oriented mindset with commitment to safety and quality
  • Analytical problem-solving skills for complex system testing
  • Collaborative approach to working with cross-functional teams
  • Adaptability to work in a fast-paced, innovative environment
  • Security clearance eligibility for nuclear facility access

    • What We Offer

    Competitive Compensation & Benefits

  • Industry-leading salary with equity participation
  • Comprehensive health, dental, and vision coverage
  • 401(k) with company matching
  • Flexible PTO and professional development budget

    • Mission-Driven Impact

  • Clean Energy Leadership : Contribute to the future of carbon-free nuclear energy
  • Innovation at Scale : Work on technology that will power the next generation of nuclear facilities
  • Safety First

    • Ensure the highest standards of nuclear safety through rigorous software testing

    Why Join TNC?

    Be part of revolutionizing nuclear construction through real-time compliance and ITAAC automation. Help transform compliance from a burden into a natural byproduct of structured, digital work processes.

    Ready to test the software that powers the future of clean energy?

    Apply today and join The Nuclear Company in building the digital infrastructure for tomorrow's nuclear industry.

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