Criticality Safety Engineer

Amentum is a global leader in advanced engineering and innovative solutions, supporting critical missions across defense, intelligence, energy, and civilian sectors. Our people are our competitive advantage, driven by purpose, collaboration, and a commitment to delivering excellence for our customers and communities. Job Responsibilities Provide technical guidance to operating organizations. Collaborate with operating organization personnel on NCS evaluations as the lead NCS Analyst. Perform independent reviews of NCS evaluations. Conduct periodic reviews of fissionable material operations. Lead and/or participate in NCS response to programmatic issues and criticality process deviations/infractions. Participate in NCS emergency response preparation (emergency procedures, plans, exercises, and drills). Independently prepare, review, and present technical reports to the criticality safety community (e.g., American Nuclear Society). Conduct NCS training for all levels of employees involved in fissionable material operations. Assist in the development and/or review of new or proposed changes to existing NCS programmatic policy and implementing documents. Lead and/or participate in assessments and audits of the NCS Program. Mentor less experienced Nuclear Criticality Safety Analysts and Analysts in Training on all aspects of criticality safety. Develop, revise, and review NCS documentation such as Criticality Safety Evaluations, Nuclear Criticality Safety Design Analysis, and Calculations (DACs) and other NCS technical basis documentation. Complete required NCS annual Operational Reviews. Provide daily nuclear facility support, including facility walkdowns, review of NCS requirements, implementing documents, and participation at facility Operational Safety Boards. Qualifications Bachelor’s degree in nuclear, engineering, math, or science with a minimum of 1–2 years of Nuclear Criticality Safety experience (Nuclear Engineering degree preferred) or 7 years of equivalent technical experience. Experience with Approach to Critical, such as the NCSP Hands-On Criticality Safety Course, is preferred. DOE-specific experience is highly preferred. Must be a U.S. citizen and able to obtain and maintain a DOE Q security clearance. Demonstrated keen attention to detail. Alternate combinations of education and experience will be considered. Compensation $115,000+ (actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws). Benefits Health, dental, and vision insurance. Paid time off and holidays. Retirement benefits, including 401(k) matching. Educational reimbursement. Parental leave. Employee stock purchase plan. Tax‑saving options. Disability and life insurance. Pet insurance. Equal Opportunity Employer Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy, age, ancestry, U.S. military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. #J-18808-Ljbffr