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. We are currently seeking a Turbine Island Engineer to support our Oak Ridge location. The Turbine Island Engineer will support engineering activities for emerging opportunities in the civil nuclear sector, with a focus on advanced nuclear technologies and future nuclear new-build programs. Key Responsibilities / Duties - Develop and coordinate technical inputs related to Turbine Island systems, equipment, and design constraints - Support system definition and participate in design reviews - Manage interfaces with NSSS, balance of plant (BOP), electrical, and layout teams - Ensure Turbine Island design assumptions are accurately captured in the integrated design baseline - Identify and document licensing-relevant design information - Provide targeted technical support to resolve system-level issues - Maintain interface assumptions and system-level issue logs - Collaborate with internal teams and technical counterparts - Contribute to the integrated delivery schedule Basic Qualifications - Minimum of 10 years of experience in process or mechanical engineering or related technical field - Experience working on complex engineering projects in regulated industries - Strong understanding of system design, interfaces, and engineering integration - Ability to coordinate across multiple engineering disciplines Preferred Qualifications - Experience with turbine island systems in nuclear or power generation projects - Familiarity with advanced reactor designs - Knowledge of nuclear regulatory and licensing considerations - Experience supporting multidisciplinary design reviews Education Requirements - Bachelor’s Degree in Process Engineering, Mechanical Engineering, or a related engineering discipline required Competencies - Turbine Island System Design - Process and Mechanical Engineering - Interface Management - Cross-Functional Coordination - Technical Problem Solving - Communication and Documentation

Compensation

Details: 120,000-180,000 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: 06/08/2026 - Until FilledAmentum 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.