Plant Engineer III - Mechanical Handling

Amentum

Richland, WA

Full Time

Posted October 21, 2026

$102k - $158k

Nuclear Energy

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Listing evidence and provenance

Source: Workday View original listing
Freshness: Open in the current public read path; this is not an employer guarantee.Last observed October 22, 2026
Classification: Modern power-system classification not yet published for this listing.Legacy source industry field: Nuclear Energy
Pay provenance: Employer-provided pay

Job Description

The Plant Engineer job family is responsible for technical activities relating to operations and maintenance of plant equipment.

Key Responsibilities

Troubleshooting of complex mechanical equipment including cranes, hoists, conveyors, bogies, manipulators, shield doors, shield windows, elevators, and hatches
Field work support for mechanical handling equipment
Develop, review, concur with and/or assess engineering technical documents
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
Perform troubleshooting associated with mechanical handling equipment
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
Interface with subcontractors, vendors, and project support groups
Ensure timely and accurate oral and written technical reports on assigned activities including system health reports
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 supervisors request

Requirements

Education : Bachelor of Science degree in Mechanical Engineering (or equivalent discipline) from a four-year accredited college or university.
Experience: Minimum of seven years of related professional experience.
Experience in processing facilities, DOE facilities, or DOD facilities.
Experience with national consensus codes and standards.
Experience working with mechanical handling equipment including cranes, hoists, doors, and associated codes and standards
Experience maintaining configuration control of technical documents to project/site procedures and federal compliance
Progression to the next grade is based upon complexity of assignment and performance.
(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 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.

Benefits & Perks

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.