{"id":705742,"url":"https://alion.io/job/thenuclearcompany-staff-software-engineer","title":"Staff Software Engineer","company":{"id":684853,"name":"The Nuclear Company","domain":"thenuclearcompany.com","url":"https://alion.io/company/thenuclearcompany","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":78,"open_postings":9,"ghost_share":0,"stale_share":0.667,"repost_share":0,"time_to_fill_p50_days":63,"computed_at":"2026-11-03T05:54:40Z"}},"role":"Backend","role_family":"Backend","seniority":"staff","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Washington, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":150000,"max":203000,"currency":"USD","period":"year","gross":null,"usd_annual":203000},"salary_estimate":null,"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Git","optional":false},{"name":"JavaScript","optional":false},{"name":"Python","optional":false},{"name":"TypeScript","optional":false},{"name":"Waterfall","optional":false}],"status":"live","first_seen_at":"2026-06-22T16:57:31Z","employer_posted_date":"2026-09-30","last_verified_at":"2026-11-04T00:08:40Z","board_verified":true,"closed_at":null,"days_open":134,"trust":{"level":"ok","repost_count":0,"flags":[],"days_open":133},"description":"The Nuclear Company is the fastest growing AI tech-enabled startup in the nuclear and energy space, pioneering a fleet-scale approach to building the next generation of nuclear reactors. Through our design-once, build-many model, we're accelerating the deployment of safe, reliable, and affordable nuclear energy.\nWe operate with an AI-first mindset. Every employee is expected to leverage AI, technology, and the Nuclear Operating System (NOS) as integral components of their role to improve the quality, speed, and impact of their work. We expect every team member to continuously identify opportunities to automate workflows, enhance decision-making, improve processes, and contribute to the ongoing evolution of NOS as a strategic operating capability that enables The Nuclear Company to scale with excellence.\nWe hire people who are driven by purpose, thrive in ambiguity, and are energized by building what has never been built before. Our team combines intellectual curiosity with high agency, embraces candid feedback and continuous learning, and holds themselves and others to exceptional standards. Our values-Transparency, Responsibility, Unity, Scrappiness, and Tenacity -guide how we hire, collaborate, and make decisions every day. They are not words on a wall; they are the standard by which we operate. TRUST is the foundation of our safety culture, fostering intellectual honesty, accountability, and open communication, while our values challenge every team member to execute with urgency, humility, resilience, and an unwavering commitment to our mission.\nAbout the role\nAs a Staff Software Engineer, you will serve as a technical leader responsible for architecting and delivering software that powers critical aspects of our nuclear energy platform. You'll work at the intersection of software, engineering, and operations, solving complex problems in a highly regulated environment where reliability and safety are paramount. This role requires both strategic thinking and hands-on execution, with opportunities to influence technical direction, mentor engineers, and drive cross-functional initiatives. Your work will directly contribute to advancing clean, carbon-free energy solutions and shaping the future of the nuclear industry.\nResponsibilities\nSoftware Design & Development: Lead the design and development of robust, scalable, and high-quality software solutions for critical nuclear energy applications. This includes architecting new features, writing clean and efficient code, and participating in code reviews. \nTechnical Leadership: Provide technical leadership and guidance to junior and mid-level engineers, mentoring them in best practices for software development, quality, and adherence to industry standards. \nSystem Integration: Work closely with hardware engineers, control systems engineers, and other software teams to ensure seamless integration of software components with physical systems and external interfaces. \nQuality & Compliance: Implement and advocate for rigorous software quality assurance practices, including comprehensive testing, debugging, and documentation, ensuring compliance with nuclear industry regulations and internal quality standards. \nPerformance Optimization: Identify and resolve complex performance issues, ensuring our software operates efficiently and reliably under demanding conditions. \nProblem Solving: Tackle challenging technical problems, proposing innovative solutions and driving their implementation from concept to deployment. \nDocumentation: Create and maintain thorough technical documentation, including design specifications, architecture diagrams, and testing protocols.\nExperience\nBachelor's degree in Computer Science, Software Engineering, Electrical Engineering, or a closely related technical field. \n7+ years of progressive experience in software development, with a strong portfolio of successfully delivered projects. \n Experience developing software for highly regulated, safety-critical, or mission-critical industries (e.g., nuclear, aerospace, defense, medical devices, automotive safety). Direct nuclear industry experience is highly preferred. \nProficiency in one or more relevant programming languages such as JavaScript, TypeScript, or Python. \nDemonstrated experience with full software development life cycles (SDLCs), including Agile and Waterfall methodologies. \nStrong understanding of software design patterns, data structures, and algorithms. \nExperience with version control systems (e.g., Git) and collaborative development workflows. \nExpertise in designing and implementing complex software architectures. \nDeep understanding of software quality assurance principles and testing methodologies. \nAbility to debug and troubleshoot intricate software systems. \nExceptional problem-solving and analytical skills. \nStrong written and verbal communication skills, with the ability to articulate technical concepts to diverse audiences. \nAbility to work effectively in a collaborative, fast-paced environment. \nPreferred Exerience\nExperience building offline-capable, air-gapped, or otherwise disconnected applications, and packaging them for constrained or containerized deployment environments. \nHands-on experience integrating third-party physical security systems. \nExperience applying AI features & ML models into production workflows. \nExposure to nuclear, critical infrastructure, defense, or physical security domains. \nBenefits\nCompetitive compensation packages\n401k with company match\nMedical, dental, vision plans\nGenerous vacation policy, plus holidays\nEstimated Starting Salary Range\n The estimated starting salary range for this role is $150,000 - $203,000 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. \nEEO Statement\n 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.\nExport Control\nCertain 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.\nRecruiting Fraud Alert\nYour safety is our priority. We want to ensure your job search stays secure. Please note that the team at The Nuclear Company only communicates through official @thenuclearcompany.com email addresses. We will never ask for payments or sensitive financial information at any stage of our recruitment process. For your peace of mind, please verify all openings and submit your applications directly through our official careers page.\nThe Nuclear Company does not accept unsolicited resumes from recruiters or staffing agencies. 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