The  Hanford Tank Waste Treatment and Immobilization Plant is making history as a first of a kind full-scale radioactive tank waste vitrification plant.  Joining Amentum at WTCC means becoming part of a team that is on the front line for research and creation of solutions for managing radioactive and mixed waste produced today and, in the future, as the plant matures.  WTCC is seeking a Waste Management Program Engineer to support operations at the Plant with direct support for effluent waste characterization and transfer, Immobilized Low-Activity Waste characterization and transfer, secondary waste characterization and processing, and analytical data collection, interpretation, and reporting.

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

MAJOR RESPONSIBILITIES/DUTIES/TASKS

 

• Review and reconcile characterization data

• Cross-functional interface with onsite and offsite analytical laboratories, Plant Engineering, Plant Management, Senior Management, and other Hanford Site contractors

• 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

• 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

• Support development, testing, and baseline of analytical tools and software

• 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 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 an appropriate engineering discipline or related science from a four-year accredited college or university.

 

Experience:

 

• Seven years of professional experience in one or a combination of the following areas: processing facilities, high hazard, waste management, DOE facilities, or DOD facilities with emphasis on radiological, nuclear, chemical or related functions, laboratory settings and practices, interpretation of analytical data, sample preparation and analysis, development of data quality objectives, waste simulation and composition modeling data for purposes of determining waste disposition, waste forecasting, waste designation, planning, treatment, disposal, and waste profile development

• Experience in definition of appropriate analytical approaches to waste characterization, paths for meeting performance/acceptance criteria, and determining statistical parameters for decision making

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

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

• Excellent technical writing/editing and verbal communication skills

 

Preferred Experience:

 

• Experience at a radiological or nuclear facility in areas of chemical, radioactive and mixed waste characterization to include treatment, packaging, transportation, and disposal of waste generated at Department of Energy nuclear facilities   

• A working knowledge of Conduct of Operations is desirable  

• 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 Department of Transportation Regulations applicable to packaging and transportation, RCRA, and Washington State Regulations applicable to Waste Designation 

 

PHYSICAL REQUIREMENTS

(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 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.

COMPENSATION & BENEFITS

HIRING SALARY RANGE: $101,573.67 - $157,957.21 (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: www.amentumcareers.com

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:

$101,573.67 - $157,957.21

       

Original Posting:

01/20/2026 - 02/01/2026

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.