Nuclear Safety Engineer 4

Amentum is seeking a highly motivated, team-oriented Nuclear Safety Engineer 4 to support projects in the Aiken, SC office. The Engineer will provide technical support for U.S. Department of Energy (DOE) facilities and projects in safety-based development to ensure safe operations. The Engineer must have demonstrated experience in preparing documents to support the development of or changes to Documented Safety Analysis (DSA) and Technical Safety Requirement (TSR) documents, performing Hazard Analysis (HA) to support Safety Basis development, and supporting Operations in the implementation of Safety Basis changes. Essential Responsibilities: Develop and maintain safety basis documents and safety basis program procedures. With minimal supervision, perform hazard analyses of nuclear operations, define functional specifications, and recommend credited controls to mitigate unacceptable hazards. Develop a portion or section of an analysis or nuclear safety review. Assist in the generation of accident analysis and engineering data. Assist in the preparation of reports and correspondence. Identify and describe the interrelationship of safety basis requirements to existing and new designs and operations. Develop, maintain, and produce technical documentation and system/subsystem specifications. Interface with customers in nuclear safety reviews and technical working group meetings to comply with requirements. Verify and comply with engineering documentation standards and nuclear safety procedures. Mentor Junior Nuclear Safety Analysts in Safety Basis development and maintenance. Ensure the product and service quality meets customer’s requirements and expectations. Perform all other position-related duties as assigned or requested. Qualifications: BS/BA in engineering or equivalent technical discipline and 8+ years of relevant work experience MS/MA in engineering or equivalent technical discipline and 5+ years of relevant work experience US Citizenship Required. Other Requirements: Good communication and analytical skills; knowledgeable about Microsoft Office applications. Individuals must be capable of obtaining a DOE site security badge. The position may require the ability to pass and maintain a Security Clearance. Due to the nature of the work, the candidate must be a US Citizen; dual Citizenship is not permitted. Preferred Experience: Demonstrating familiarity with DOE Nuclear Safety Analysis requirements, including DOE-STD-3009. Supporting completion of nuclear facility documented safety analyses (DSAs) and technical safety requirements (TSRs) updates, revisions, or creation. Working with support organizations to ensure DSA and TSR projects are completed and submitted to the Department of Energy (DOE) for approval on schedule. Leading all aspects of reviews and ensuring the preparation of DSAs and TSRs accurately reflect the facility configuration and establish the necessary controls. Reviewing procedures, operational events, and facility modifications to support DSA and TSR implementation. Establishing objectives, setting priorities, and advising management of nuclear safety issues. Developing and maintaining effective collaboration with facility system engineers, facility operations, supporting organization, subcontractor personnel, and DOE oversight personnel. Providing support and input, including requirements management, to identify and implement improvements to current procedures and processes, performing programmatic assessments, and conducting training associated with nuclear safety requirements. Frequently working with other organizations, tracking, and reporting status, and ensuring projects meet schedule commitments. Conducting facility hazard identification, assessment, and accident analyses and classification. Ensuring that all hazards are identified and adequately addressed, and that identification, assessment and analyses are adequately documented. Compensation Details: $115,000+ The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. 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 Overview: Our health and welfare benefits are designed to support you and your priorities. Offerings include: 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 Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits. Original Posting: 06/16/2026 - Until Filled Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs. 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 (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States 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. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters. Welcome back! We encourage you to check on the status of your current job applications with us. You can also search for a list of our current job openings and see if there are any new positions that might be a good fit for you. Thank you for continued interest in employment with Amentum. For more than 100 years, Amentum has tackled the world’s toughest challenges to deliver agile and steadfast solutions to the U.S. government and its allies. With more than 50,000 employees on all seven continents and in more than 60 countries, Amentum delivers a broad range of operational support services to meet the critical needs of our clients. Our headquarters are in Chantilly, VA. Find us online at If you need a reasonable accommodation for any part of the employment process, please contact us by email at View email address on click.appcast.io and let us know the nature of your request and your contact information. Requests for accommodation will be considered on a case-by-case basis. 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