Nuclear Criticality Safety Engineer

Join us at Urenco USA (UUSA), where we are leading the way in nuclear energy innovation. Our state‑of‑the‑art enrichment facility located in Eunice, NM, is one of the only uranium enrichment sites in North America. We seek individuals ready to work collaboratively on‑site in Eunice and offer relocation support to make this opportunity accessible to talented professionals.

This position is responsible for facility design safety basis activities with a focus on criticality safety analyses. The role works in Engineering and Integrated Safety Analysis, interfaces with employees and managers at all levels, and provides engineering support for calculations, walk‑downs, and general configuration management control as assigned.

• Bachelor’s degree in Chemical Engineering, Nuclear Engineering, or equivalent
• 2+ years of direct work experience at a nuclear facility
• 5+ years of related work experience, including 2 years in a nuclear facility
• 2+ years of experience at a Part 70 licensee

• Completion of a training program in the physics of criticality (ANSI/ANS 8.26)
• Experience performing chemical dose consequence analyses
• A Master’s Degree or PhD in Physics, Nuclear, or Chemical Engineering from an accredited institution
• Professional Engineering (PE) license obtained by accredited examination
• Monte Carlo computer code experience (MCNP or MONK preferred)
• RASCAL, ALOHA, or similar code experience preferred for other disciplines

Eunice, NM

Professional work schedule with minimal night/weekend support; some nights and weekend work may be required. Employees may be subject to call‑outs as needed.

10% of the time or less as required.

Controlled Access Area (CAA) Access and an L or Q level security clearance is required.

Emergency Response Organization (ERO) duty may be required, including being on‑call (24/7) during the designated team duty week.

Radiological exposure expectations; criticality safety, chemical dose consequence, and/or integrated safety analysis experience; experience in a 10 CFR Part 70 facility.

• Independently perform analysis and design activities in support of facility operations and future projects.
• Perform nuclear criticality safety evaluations and analyses using modeling software.
• Perform dose and shielding calculations.
• Conduct independent design reviews of evaluations and analyses, including verification of assumptions and adequacy of calculations.
• Ensure nuclear criticality safety limits, assumptions, and requirements are correctly implemented in operating procedures.
• Provide final approval (release) of nuclear criticality safety technical documentation.
• Establish and maintain effective nuclear criticality safety engineering standards within NRC regulatory requirements and Urenco USA design license basis documents.
• Qualify and perform chemical dose consequence calculations.
• Propose and implement changes for the facility.

Compensation starting at: $98,761 – $146,169 per year, dependent on candidate qualifications.

Urenco USA provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state and local laws. Urenco USA encourages minorities, females, veterans and persons with disabilities to apply.

Urenco USA supports a drug‑free environment.

If a reasonable accommodation is required to participate in the job application, interview process, and/or to perform essential job functions, please contact UUSA HR at