Nuclear Methods Software Engineer at System One

Overview: System One is seeking an entry-level Nuclear Methods Software Engineer to support development on the ARMI framework—an advanced Python codebase used for nuclear reactor design and analysis across multiple next-generation reactor programs. This role involves daily Python development, code reviews, software testing, documentation, and contributions to mission-critical nuclear analysis tools. Responsibilities: • Design and develop Python software for the ARMI framework and related tools • Participate in code reviews (reviewing and being reviewed) • Write and audit tests within large Python codebases • Develop and maintain documentation for nuclear methods software • Support CI/CD activities for reactor design and analysis software • Apply and promote software engineering best practices • Collaborate with a diverse team of engineers and contribute to continuous improvement Required Qualifications: • B.S. in Nuclear Engineering or B.S. in a STEM field with 3+ years’ experience in nuclear methods • Proficiency in Python programming • Strong communication skills • High integrity, openness, respect, and a team-oriented mindset Preferred Qualifications: • Interest in software testing, quality, and documentation • Experience working in a nuclear quality environment (NQA-1 or ISO 9001) • Desire to build a career at the intersection of nuclear engineering and software engineering • Experience with unit testing in Python • Experience writing/maintaining software documentation • Familiarity with software quality best practices • Experience with CI/CD concepts and tools • Understanding of fast reactors or advanced reactor systems • Experience with digital twin modeling or real-time data pipelines • Graduate degree in Nuclear Engineering • 3+ years professional programming experience Job Functions / Work Environment: • Sitting/standing for extended periods; bending/stooping; fine motor control • Ability to safely lift up to 25 lbs • Prolonged repetitive work • Visual and auditory concentration required • Standard office/computer work environment (>8 hrs/day) • Light travel: 0–5% Ref: #161-Managed Staffing Charlotte