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Amentum Chemical Engineer 3 - Waste Management Program in Richland, Washington

The Chemical Engineer reports to the Waste Management Program Supervisor and Subject Matter Expert (SME). The position supports daily operations and activities associated with waste generation and management of chemical, radioactive, and mixed waste characterization data, tools, techniques, and documentation.

This position shall be performed under the day-to-day direction, control, and supervision of WTCC


  • Provide detailed and accurate chemical, radioactive, and mixed waste characterization data for waste designation, waste packaging and transportation, and waste disposal

  • Review and reconcile characterization data

  • Develop and maintain knowledge of radioactive waste management requirements found in DOE M 435.1-1, Radioactive Waste Management Manual

  • Develop and maintain knowledge of environmental regulations, RCRA regulations, Washington State Dangerous Waste regulations (WAC 173-303), permit requirements, and applicable waste acceptance criteria

  • Provide technical support services to the Waste Management organization for management of chemical, radioactive, and mixed waste-generating activities

  • Assists the Waste Management Program Supervisor in development and execution of effective chemical, radioactive, and mixed waste characterization strategies and tools

  • Prepare sampling and analysis plans for liquid and solid waste matrices and establish data quality objectives

  • Develop or support development and maintenance of waste management computational spreadsheets, including development and peer review of MicroShield® calculations and Excel® calculation spreadsheets

  • Support development and peer review of spreadsheets, engineering reports and documentation in accordance with established procedures, including satisfactory disposition and resolution of comments submitted by others

  • Preparation of clear, concise, error-free engineering reports and documentation, spreadsheets, or other work products

  • Support development and maintenance of Waste Management program plans and procedures

  • Interfaces with other organizations in support of waste characterization activities and methodologies, including laboratory personnel, Plant Engineering, and Process Engineering organizations

  • Develop and maintain working knowledge of applicable waste simulation and composition modeling tools and techniques, and interpret modeling tool outputs for waste characterization and waste designation

  • Review and complete corrective actions

  • Demonstrate creative ability in solving technical problems

  • Support the Waste Treatment Plant Nuclear Safety Quality Culture by emphasizing the values of safety and quality in the performance of work in order to protect self, other personnel, facilities, and the environment

  • Perform all work in compliance with environmental permits and regulations


Education: Bachelor of Science Degree in Chemical Engineering, or related science.


  • Minimum of seven years of professional experience, which include a minimum of three (3) years at a nuclear facility in areas of chemical, radioactive and mixed waste characterization.

  • Strong organizational and planning skills required, including the ability to prioritize workloads.

  • Experience in sample analysis and development of data quality objectives, waste simulation and composition modeling tools and techniques, and interpretation of modeling tool outputs for waste characterization and waste designation.

  • Microsoft Office experience with advanced capabilities, primarily in Excel®.

  • Excellent technical writing/editing and verbal communication skills

Preferred Experience:

  • Previous experience with chemical waste characterization, radioactive waste characterization, mixed waste characterization, treatment, packaging, transportation, and disposal of waste generated at Department of Energy nuclear facilities.

  • A working knowledge of Conduct of Operations is desirable.

  • Previous experience with laboratory practices, interpretation of analytical data, sample analysis, development of data quality objectives, and waste simulation and composition modeling data for purposes of determining waste disposition, waste forecasting, waste designation, planning, treatment, disposal, and waste profile development.

  • Prior experience with Hanford Site Waste Acceptance Criteria or relevant waste acceptance criteria from other Department of Energy disposal facilities.

  • Previous experience in development and peer review of MicroShield® calculations.

  • Formal training related to radioactive, chemical, and mixed waste management, including training in DOT, RCRA, and Washington State Regulations.

  • Ability to define an appropriate analytical approach to waste characterization, paths for meeting performance/acceptance criteria, and determine statistical parameters for decision making.


(EFNM) Exposed Field Non-Manual

Performs desk work, including writing, computer workstation processes and calculations, and telephone operation. Arranges for and/or performs presentations, oral reports, planning meetings, and other formal and informal activities, requiring long periods of sitting. Oversees field activities, 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 able to obtain a Department of Energy (DOE) badge for access to the Hanford site .

Must be able to work in the United States without Sponsorship


HIRING SALARY RANGE: $99,193.03 - $154,255.09 (Salary to be determined by the education, experience, knowledge, skills, and abilities of the applicant internal equity, and alignment with market data.)

This position includes a competitive benefits package. For more detailed information on our Benefits and what it is like to work for Amentum: please visit our careers site:

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.

Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, religion, color, sex, gender, national origin, age, United States military veteran’s status, ancestry, sexual orientation, marital status, family structure, medical condition including genetic characteristics or information, veteran 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.

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EEO including Disability/Protected Veterans