Plant Engineer 1 – Melter and Offgas Systems

Amentum; Richland (WA); On-site; USD 78,000 - 118,000; Full time

Benefits offered by this job

Health, dental, and vision insurance

401(k) matching

Paid time off

Job summary

Amentum is seeking a Plant Engineer to support the operation, maintenance, and commissioning of the Waste Treatment Plant facilities at the Hanford site. The role focuses on protecting plant configurations, providing technical support, and resolving issues to maintain safe, reliable operations.

The position requires a BS in engineering and at least two years of related experience, with nuclear facility experience preferred.

Qualifications

• BS in engineering or related science from a four-year college/university.
• Minimum of two (2) years of related professional experience.
• One year of nuclear facility experience is preferred.

Responsibilities

• 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 discrepancies as assigned.
• Provide on-site technical support during maintenance, commissioning, or testing activities.

Skills

Plant engineering

Nuclear facility exp.

Technical documentation

Education

Bachelor of Science in Engineering

Job description

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

• 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 Amentumvisa 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.