Criticality Safety Engineer

SHINE Technologies is seeking a Criticality Safety Engineer to perform, document, and review nuclear criticality safety evaluations (NCSE’s) to define and maintain the safety basis for fissionable material operations. This work includes performance of NCSE’s, interviews of staff, audits of fissionable material operations, and walkdowns and observations of the facilities.

Job Type: Full‑time

The base salary range for this position is $92,000 - $115,000 per year plus a comprehensive compensation package.

• Perform, document, and review criticality safety evaluations of fissionable material operations, including the use of nuclear criticality safety hand calculations or ANSI/ANS 8 series standards, ensuring that safety and licensing requirements are satisfied.
• Perform and review criticality calculations using MCNP.
• Participate in or lead periodic audits of the criticality safety program.
• Collaborate with cross‑functional teams on hazards analysis.
• Perform periodic code validation.
• Be part of a rotating team of on‑call NCS engineers who are able to respond to abnormal conditions or accidents after plant begins operation.
• Participate in and lead training of members of the SHINE staff or contractors on fundamentals of criticality safety.

• B.S. degree in Nuclear Engineering or related discipline from an accredited institution.
• Experience using MCNP.
• Demonstrated technical writing skills.
• Familiarity with nuclear engineering design, operations, regulatory requirements, and industry precedents.
• Basic knowledge of NRC Rules, Regulations, Organization, Processes, Procedures, Instructions, Inspections, Enforcement, and understanding of relevant portions of Title 10 of the Code of Federal Regulations.
• Strong understanding of the first principles of nuclear physics and how they interact with criticality safety.
• Strong problem‑solving and analytical skills.
• Strong data management and computer skills.
• Must be skilled in the use of Microsoft desktop software.

• Past or current qualification as a nuclear criticality safety engineer (meeting the requirements of ANSI/ANS‑8.26 or equivalent).
• Experience performing walkdowns and audits at operating nuclear facilities.
• Experience performing MCNP validation using the Integrated Computational Structural Benchmarking and Evaluation Project (ICSBEP) benchmarks.
• Familiarity with FMEA or HAZOPS hazards analysis methods.

Employees must be able to perform the essential functions of the position satisfactorily. If requested, reasonable accommodations will be made to enable employees with disabilities to perform the essential functions of this job, absent undue hardship.

Eligibility for employment is conditioned on the applicant’s ability to qualify for access to information subject to U.S. Export Controls. Additionally, applicant’s eligibility may be conditioned upon meeting the Nuclear Regulatory Commission requirements for access to Safeguards Information, which typically requires a pre‑employment drug screen, fingerprinting, and criminal background check.

SHINE values diversity in all its forms as a critical component of innovation, which is fundamental to our success. Every member of the SHINE community benefits from the talents and experiences of our peers, from the mutual respect we exercise, and from the responsibility we take for our actions.

SHINE Technologies is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.