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The Nuclear Company • Seattle, Washington, United States
Salary: USD 150,000–200,000 per year
Role & seniority: Senior Software Engineer in Test (SDET) at The Nuclear Company
Stack/tools: Python, Java, C# (or similar); test automation: Selenium, Cypress, TestNG, Playwright; API testing: Postman, REST Assured; database: SQL/NoSQL; CI/CD: Jenkins, GitLab CI, Azure DevOps; data/analytic tooling: Palantir integration; QA/QC data validation; ITAAC/regulatory documentation support
Design and implement test automation frameworks and testing strategies for Nuclear OS and safety-critical systems
Conduct nuclear-specific testing, data quality checks, and validation of QA records linked to ITAAC and regulatory requirements
Build automated pipelines, analytics, and AI-enabled testing capabilities; ensure QA processes align with Nuclear Quality Assurance (NQA-1)
5+ years software testing experience, preferably in regulated industries
Proficiency in Python/Java/C# and test automation frameworks; API and database testing; CI/CD tooling
Familiarity with nuclear regulatory concepts, ITAAC processes, and QA standards (preferred)
Nuclear industry knowledge (regulatory compliance, personnel qualifications, ITAAC)
Experience with Palantir data integration/modeling; AI-powered testing/analytics
Security clearance eligibility; strong cross-functional collaboration and stakeholder communication
Location & work type: Not specified; role appears to be full-time, on-site or hybrid depen
The Nuclear Company is the fastest growing startup in the nuclear and energy space creating a never before seen fleet-scale approach to building nuclear reactors. Through its design-once, build-many approach and coalition building across communities, regulators, and financial stakeholders, The Nuclear Company is committed to delivering safe and reliable electricity at the lowest cost, while catalyzing the nuclear industry toward rapid development in America and globally.
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.
Benefits
Competitive compensation packages 401k with company match Medical, dental, vision plans Generous vacation policy, plus holidays
Estimated Starting Salary Range
The estimated starting salary range for this role is $150000 - $200000 annually less applicable withholdings and deductions, paid on a bi-weekly basis. The actual salary offered may vary based on relevant factors as determined in the Company’s discretion, which may include experience, qualifications, tenure, skill set, availability of qualified candidates, geographic location, certifications held, and other criteria deemed pertinent to the particular role.
EEO Statement
The Nuclear Company is an equal opportunity employer committed to fostering an environment of inclusion in the workplace. We provide equal employment opportunities to all qualified applicants and employees without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other protected characteristic. We prohibit discrimination in all aspects of employment, including hiring, promotion, demotion, transfer, compensation, and termination.
Export Control
Certain positions at The Nuclear Company may involve access to information and technology subject to export controls under U.S. law. Compliance with these export controls may result in The Nuclear Company limiting its consideration of certain applicants.