The Plant Engineer is responsible for technical activities relating to operations and maintenance of plant equipment during Engineering, Commissioning, and Operations. The Melter and Offgas system engineers are primarily responsible for the glass melter system and associated offgas treatment unit systems. The system engineer protects the installed configuration of the plant systems and provides technical support and issue resolution needed for operation and maintenance of the plant equipment. Under direction of the Plant Engineering Manager interacts with other Plant Engineers, Operations, Maintenance, WTP Project groups, subcontractors, and equipment vendors as required to perform job assignments. REQUIREMENTS/SPECIFICATIONS Education: Bachelor of Science degree (or equivalent education) in an appropriate engineering discipline or related science from a four-year accredited college or university. Experience: Minimum of two (2) years of related professional experience. Preferred Experience: One year of nuclear facility experience is preferred. Experience in processing facilities, DOE facilities, or DOD facilities preferred. Experience with national consensus codes and standards preferred. Progression to the next grade is based upon complexity of assignment and performance. MAJOR RESPONSIBILITIES/DUTIES/TASKS Implement Plant Engineering program elements as assigned Develop, review, concur with and/or assess engineering technical documents Develop, review, concur with and/or assess management control procedures, technical procedures, or guides Assess facilities, systems, and/or processes anomalies or degraded conditions Resolve condition report issues or other similar discrepancies as assigned Develop or request support to develop engineering products for system or equipment repair or replacement Provide on-site technical support during preventative or corrective maintenance activities or commissioning Assist assigned engineers in determining operability and correcting out-of-specification conditions Ensure the health and safety of self and staff by implementing the principles of the Integrated Safety Management System (ISMS) Ensure that personal conduct of work is consistent with nuclear safety and quality culture expectations Meet training requirements and maintain qualifications to perform work Support control of field work in assigned areas, including integration of project activities, repairs, and equipment operations activities Support operations, maintenance, and commissioning of the WTP Facilities Remain apprised of operational status and ongoing modification activities Provide technical review of facility/system related procedures and work instructions Assist with resolution of design issues necessary to support plant operations and/or maintenance Review Project design and other documents for operations, maintenance, and testing impacts and providing alternative solutions Interface with subcontractors, vendors, and project support groups Ensures timely and accurate oral and written technical reports on assigned activities Complete required training and maintain qualifications associated with assignments Support the Waste Treatment Plant Nuclear Safety Quality Culture by emphasizing the values of safety and quality in the performance of work to protect self, others, and the environment This job description is not intended to include every duty, task or instruction for which an employee is responsible. Other tasks may be assigned, based on business needs and the department supervisor’s request. SUPERVISORY RESPONSIBILITIES NA PHYSICAL REQUIREMENTS (EFNM) Exposed Field Non-Manual- Performs desk work, including writing, computer workstation processes, and telephone operation. Arranges for and/or performs presentations, oral reports, planning meetings, and other formal and informal contacts, requiring long periods of sitting. Oversees field activities through inspections, testing and equipment operations, which requires walking, standing, bending, and turning along with wearing of personal protective equipment. Occasional loading, transport, and unloading of tools and/or supplies specific to an activity. This position is located at the Construction Site (22 miles north of Richland) and works a 4 x 10 schedule, M-Th, 6:30 a.m. to 5 p.m. Must be authorized to work and remain in the United States without Amentum visa sponsorship now or in the future. Must be able to complete and pass a pre-employment drug screen and background check which includes verification of employment and education. Must be able to obtain a Department of Energy badge for access to the Hanford Site. (Even if teleworking, must still be able to comply with security requirements to obtain a badge.) Non-U.S. citizens from countries identified by the Department of Energy as posing heightened security concerns—including sensitive countries, state sponsors of terrorism, countries of risk, and other designated countries –are subject to additional security requirements. Amentum is a global company with a heritage dating back more than 100 years and delivering solutions in nuclear energy, infrastructure, operations and maintenance, and national security. Our predecessors helped build Hoover Dam, protected fighting forces in World War II, and supported the Manhattan Project. Today, our teams clean up legacy nuclear waste around the world, manage the United Kingdom’s defense portfolio, design programs and tests for Navy submarine electronic systems, and provide integrated supply chain services needed in developing countries during the pandemic. Amentum has joined with Bechtel to create an LLC, known as the Waste Treatment Completion Company (WTCC) Join us as we make history at the Hanford Vit Plant, known as the Waste Treatment and Immobilization Plant. We are designing and building a one-of-a-kind facility that will turn radioactive and chemical waste left over from World War II and Cold War plutonium production into a form safe for disposal. Your efforts will help protect the nearby Columbia River and the communities, salmon, and wildlife along its shorelines throughout the Northwest. Sitting at the confluence of the Columbia, Snake and Yakima rivers near two mountain ranges, our community provides access to year-round outdoor recreation, 300 days of sun a year, more than 200 wineries within a 50-mile radius, and the amenities of large cities just a three-hour drive (or short flight) to Seattle and Portland. Compensation Details: $78,227.15 - $117,732.32 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: 10/22/2026 - 11/01/2026 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 https://www.amentum.com/ If you need a reasonable accommodation for any part of the employment process, please complete our Accommodation Request. Requests for accommodation will be considered on a case-by-case basis. If you need assistance, please reach out to [email protected] EEO including Disability/Protected Veterans Labor Laws Posters Amentum has become aware of unauthorized individuals who are falsely using the Amentum name and /or logo in an attempt to solicit fees from potential job seekers. These deceptive and unauthorized individuals are soliciting money, promising placement in a position with Amentum. Please note any communication requesting any amount of money in exchange for employment with Amentum is fraudulent. These communications do not originate from Amentum and are not associated with the recruitment process. Amentum and its affiliates never charge candidates fees or payments of any kind in order to secure employment. As a precaution, we recommend you do not disclose personal or financial details to anyone as a response to an unsolicited email, social media, or dating website request. Amentum will never as ask for a placement fee or any other fee to expedite the hiring process. If you are contacted by anyone offering employment with Amentum, you should never be asked to pay a fee for recruiting. Amentum personnel will always send email from an identifiable corporate account (ending in @amentum.com) and never from a public email account like Yahoo!, Google, Gmail, or Hotmail. If you are contacted regarding a fraudulent employment proposal, we encourage you to alert your local law enforcement agency/police authority. To read more about Amentum’s commitment to ethics, please click here.

Plant Engineer 1 – Melter and Offgas Systems.

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