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Amentum

Plant Engineer I – Flowsheet Integration

Richland, WA, United States

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Job details

Apply by: Nov 10, 2026
Experience: In accordance with DOE O 426.2, the successful applicant must have a minimum of 1 year job related experience.
Posting language: English
Posted: Nov 3, 2026

Original job description

This role is in the Flowsheet Integration group in Plant Engineering at the Vit Plant at Hanford. The Vit Plant is designed to remediate the millions of gallons of radioactive waste on the Hanford site into a stable glass product, safe for disposal. In the Flowsheet Integration group, we interface with Operations, Maintenance, and System Engineers to direct and ensure the chemistry of the plant is managed and maintained. Through our batch chemistry program, the product of the plant is controlled to tight specifications. We work with some of the most EXCITING chemical and engineering activities available, including batch processing, waste feed qualification, data quality objectives and the sampling and analysis plan – all of which are essential activities for the history-making startup and operation of the plant! YOU can play an important and significant role in technical activities relating to operations and maintenance of plant equipment. Be a part of the historic completion of the Vit Plant at Hanford.

Education:

Bachelor of Science degree (or above) in Chemical Engineering, Materials Science, or related science or engineering field from an accredited college or university is required.

Experience:

A minimum of two years of professional experience. Experience in processing facilities, DOE facilities, or DOD facilities preferred. In accordance with DOE O 426.2, the successful applicant must have a minimum of 1 year job related experience.

Preferred Experience:

Experience in chemical processing facilities
Experience with process flow diagrams, material balances, and chemical processes
Experiences with glasses or ceramics
Experience with statistics or statistical analysis

MAJOR RESPONSIBILITIES/DUTIES/TASKS

Support commissioning, operations, and maintenance of the WTP Facilities
Develop, review, concur with and/or assess engineering technical documents
Develop, review, concur with and/or assess management control procedures, technical procedures, or guides
Provide on-site technical support for flowsheet, sampling, batch processing, glass formulation, process control, data quality objectives, and product compliance topics
Interface with external organizations to resolve technical issues
Resolve condition report issues or other similar discrepancies as assigned
Assist with resolution of issues necessary to support plant operations and/or maintenance
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

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 WTP 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:

11/03/2026 - 11/10/2026Amentum 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.

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Skills

Chemical engineering
Materials science
Chemical processes
Statistics
Technical support
Control engineering
Regulatory compliance
Presentation skills
Inspection
Personal protective equipment
Security regulations
Electronics
Supply chain management
Hazardous waste types

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