Senior Radiological Engineer

Develops health physics, radiological engineering, dosimetry, bioassay, assessment or instrumentation processes for projects or programs, and/or operating facilities under the direction of assigned supervisor. With minimal oversight, plans work requiring judgment in the evaluation, selection, application and adaptation of health physics and radiological engineering techniques, controls procedures, and criteria. Devises new cost-effective approaches to solving problems.

REQUIREMENTS/SPECIFICATIONS

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

Appropriate training and experience commensurate with the responsibilities of the position may be considered in lieu of a degree:

10 years related experience to the position and 20 semester credit hours in technical subjects related to the position OR Completion of 80 semester credit hours in technical subjects related to the position OR Successful completion of Engineer In Training (EIT) examination or Fundamentals of Engineering (FE) accredited through National Council of Examiners for Engineering and Surveying (NCEES) OR Professional engineer’s license

Experience:

- Minimum of 10 years’ experience in operational Radiation Protection and Health Physics with BS degree; 7 years’ experience with MS degree

- Possesses expert knowledge of health physics with a broad knowledge of applied health physics/radiation protection principles and practices, standards and requirements, and applicable DOE Orders

- Experienced in Radiation Protection Program development and implementation within the DOE complex

- Experienced in resolving challenging radiological issues with management and facility staff

- Experienced in multiple areas from the following list - ALARA, assessments, dosimetry, instrumentation, radiological engineering, radiological work planning, training

- 1 year of Nuclear experience, full-time related academic training may be substituted on a one-for-one basis for 2 of the 3 years’ nuclear experience

- Active certification as CHP or RRPT preferred

MAJOR RESPONSIBILITIES/DUTIES/TASKS

- 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, others, and the environment

- Provide technical support for assigned aspects of Radiological Control Program implementation to assure federal, state, and WTP requirements regarding radiation exposure to site personnel and the general public are followed

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:
$115,543.99 - $182,530.01

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:
11/02/2026 - 11/09/2026
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 .