{"id":2656610,"url":"https://alion.io/job/nuscale-power-software-engineer-4-commercial-nuclear","title":"Software Engineer 4 (Commercial Nuclear)","company":{"id":711584,"name":"NuScale Power","domain":"nuscalepower.com","url":"https://alion.io/company/nuscalepower-2","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Jobvite","truth_index":{"grade":"A","score":100,"open_postings":5,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":16,"computed_at":"2026-10-22T06:10:10Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":127104,"max":153401,"currency":"USD","period":"year","gross":null,"usd_annual":153401},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"ASME NQA-1","optional":false},{"name":"MCNP","optional":false},{"name":"NRC Licensing","optional":false},{"name":"RELAP5","optional":false},{"name":"C++","optional":true},{"name":"Fortran","optional":true},{"name":"Git","optional":true},{"name":"GitHub","optional":true},{"name":"GitLab","optional":true},{"name":"Python","optional":true}],"status":"live","first_seen_at":"2026-10-15T23:07:24Z","employer_posted_date":"2026-10-15","last_verified_at":"2026-10-22T16:39:16Z","board_verified":true,"closed_at":null,"days_open":6,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":6},"description":"NOTE: This is a full-time position available for remote work within the contiguous United States if living beyond a 30-mile radius of a physical NuScale office. Otherwise, work would be performed in office 4 days/week. Regardless of work location, occasional travel may be required for business needs.\nPOSITION SUMMARY: This is a senior level position based on experience and will be working within the Plant Services department assisting in the development of the software models that supports the NuScale control room simulator. This position will work in close collaboration with NuScale operators and engineers to support a range of software development tasks such as updating plant models in accordance with engineering documentation. Ideal candidate is familiar with thermal hydraulic system codes (e.g., RELAP5 and Trace), and have experience with neutronic analysis codes (e.g., Simulate 3 and MCNP). Additional consideration for candidates that also have GSE software suite (i.e., SimExec and JTopmeret) experience.\nESSENTIAL DUTIES AND RESPONSIBILITIES:\nHigh standard to accurately reflect information from engineering documentation into plant models.\nSupports development, testing and operation of the NuScale control room simulator and other software projects.\nDevelops software in accordance with NuScale established procedures and processes to maintain configuration control.\nDocuments software defects using issue tracking software.\nProvides recommended solutions when errors are encountered and seeks to identify common cause issues that affect performance of the software solution.\nProvides recommended solutions for problems using professional operational principles and company objectives.\nWorks under consultative direction toward long-range goals and objectives. Collaborates with team members to ensure solutions are vetted and deliverables are of high quality.\nPerforms hardware setup and maintenance such as installing computers/monitors and connecting cables. This may at times require limited travel to other locations outside of Corvallis at company’s expense.\nPerforms other duties as assigned.\n\nCORE COMPETENCIES: To perform the job successfully, the individual should demonstrate competencies in the following areas:\nProblem solving: Identifies and resolves problems in a timely manner, gathers and reviews information appropriately. Uses own judgment and acts independently; seeks input from other team members as appropriate for complex or sensitive situations.\nOral/written communication: Listens carefully and speaks clearly and professionally in all situations. Edits work for accuracy and clarity. Able to create, read and interpret complex written information. Ability to develop strong interpersonal networks within the organization. Able to present and demonstrate work in small group settings and to both technical and non-technical audiences.\nPlanning/organizing: Prioritizes and plans work activities, organizes personal and project timelines and deadlines, tracks project timelines and deadlines, and uses time efficiently.\nAdaptability: Adapts to changes in the work environment, manages competing demands and is able to deal with frequent interruptions, changes, delays, or unexpected events.\nDependability: Consistently on time and at work, responds to management expectations and solicits feedback to improve performance.\nTeam Building: Capable of developingstrong interpersonal networks and trust within the organization. Independently seeks methods to engage other team members.\nSafety Culture: Adheres to the NuScale Safety culture and is expected to model safe behavior and influence peers to meet high standards.\nQuality Assurance: Committed to the understanding and implementation of quality assurance regulations, standards, and guidelines of 10 CFR 50 Appendix B, 10 CFR 21, and NQA-1.\n\nMINIMUM SKILLS, QUALIFICATIONS AND ABILITIES:\nEducation/Certification: A minimum of a B.S. degree in physics, engineering or other technical degree from an accredited college or university is required. ABET accredited engineering program preferred. Five or more years of demonstrable software deliverables with a focus on modeling and simulator development preferred.\n Experience: Five or more years of professional software development experience or internship is preferred. Working with thermal hydraulic and neutronic analysis software is highly desirable. Additional desired experience includes:\nPrevious experience with thermal hydraulic system codes (e.g., RELAP5 and Trace)\nWorking knowledge of an integrated development environment such as Visual Studio or Visual Studio Code and a revision control system such as Git is required\nPrevious experience with project management systems like Gitlab or Github\nExperience with developing software in Fortran, C++, and/or Python\nPrevious experience with neutronic analysis codes (e.g., Simulate 3 and MCNP)\nDemonstrable understanding of basic thermal hydraulic engineering principles\nDemonstrable understanding of basic numerical methods to solve coupled partial differential equations associated with fluid flow and heat transfer\nDemonstrable aptitude to read and interpret P&ID drawings\nPrevious experience with GSE simulation software (i.e., SimExec, JTopmeret, JElectric)\n Industry Requirements: Eligible to work under Department of Energy 10 CFR Part 810.\nPHYSICAL DEMANDS: The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.\nAbility to understand and communicate clearly using a phone, personal interaction, and computers.\nAbility to learn new job functions and comprehend and understand new concepts quickly and apply them accurately in a rapidly evolving environment.\nThe employee frequently is required; to sit and stand; walk; bend, use hands to operate office equipment; and reach with hands and arms. \nAbility to travel nationally and locally using common forms of transportation. \nDisclaimer:Employee(s) must perform the essential duties and responsibilities with or without reasonable accommodation efficiently and accurately without causing significant safety threat to self or others. The above statements are intended to describe the general nature and level of work being performed by employee(s) assigned to this classification. They are not intended to be construed as an exhaustive list of all responsibilities, duties and/or skills required of all employees in this classification.\nNuScale Power, LLC is an equal opportunity employer and does not discriminate against otherwise qualified applicants on the basis of race, color, creed, religion, ancestry, age, sex, marital status, national origin, disability or handicap, or veteran status.\nPay and Benefits:\nThe target pay range for this position is $127,104 - $153,401 annually. The full pay range is $113,955 - $178,237 annually.\nAt NuScale, compensation decisions are determined using factors such as relevant job-related skills, full-time working experience, education and training, equity within the department.\nFor information on employee benefits, please visit our Careers Overview page: Employee Benefits | NuScale Power","description_format":"text","description_chars":7312,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Equity"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Nuclear Energy","Nuclear Engineering"],"lifecycle":[{"event":"open","at":"2026-10-15T23:07:24Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"green card filings: 1","filings_12m":0,"filings_prev_12m":0,"green_card_filings_12m":1,"median_offered_wage_usd":132500,"route":null,"cap_exempt":false,"checked_at":"2026-10-15T11:24:14+00:00","sources":["US Department of Labor: PERM disclosure data (green cards)"],"filings_for_role_12m":0}],"liveness":{"score":81,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.857,"p_room":0.945,"age_days":6,"expected_fill_days":16,"reasons":["conf:0","velocity","win:mid"],"computed_at":"2026-10-22T06:10:10Z"},"pay":{"stated_usd_annual":153401,"is_top_pay":false},"html_url":"https://alion.io/job/nuscale-power-software-engineer-4-commercial-nuclear","json_url":"https://alion.io/job/nuscale-power-software-engineer-4-commercial-nuclear.json","meta":{"generated_at":"2026-10-22T20:06:49Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":3922,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-23T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":711584},"rest":"https://alion.io/mcp/rest/get_company?id=711584"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fnuscale-power-software-engineer-4-commercial-nuclear"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fnuscale-power-software-engineer-4-commercial-nuclear"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fnuscale-power-software-engineer-4-commercial-nuclear"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/nuscale-power-software-engineer-4-commercial-nuclear\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fnuscale-power-software-engineer-4-commercial-nuclear"}]}