Job Description

The Scientist job family is responsible for 1) performing basic scientific analyses and calculations and 2) preparing specifications, reports and data tables 3) maintaining and troubleshooting instrumentation and methods. Under supervision, Scientists maintain project coordination with all other disciplines on an assigned project based on the following classification, grade, and level specific responsibilities:

Under direction of the Analytical Manager or Chemistry Supervisor, may perform technical assignments of various complexities within approved scientific schedules and budgets. May coordinate technical and administrative activities with employees in other disciplines and other departments participating on an assigned project. May assist in the training and evaluation of assigned scientific personnel. May supervise a discipline group.

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

REQUIREMENTS/SPECIFICATIONS

Education: Bachelor of Science Degree in Chemistry or related scientific or engineering discipline from a four (4) year accredited college or university.

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

Experience: 10+ years of experience in one or more areas of expertise including wet chemistry, elemental chemistry, separations chemistry or radiochemistry obtained through a combination of education and working in an environmental, research, process control, or radiological laboratory. Desired experience includes developing analytical methods for use in radiological fume hoods, working knowledge of process control techniques, supporting continuous process operations, and familiarity with regulatory requirements as applied to laboratory operations.

Candidate must be eligible to work in the United States without sponsorship.

Flexibility to work overtime or off normal hours in response to urgent project requests or needs.

Progression to the next grade is based upon complexity of assignment and sustained performance.

MAJOR RESPONSIBILITIES/DUTIES/TASKS

• Operate, calibrate, maintain, and troubleshoot laboratory equipment and analytical instrumentation (e.g., Ion Chromatograph, ICP-OES, ICP-MS, Carbon Analyzer, Mercury Analyzer, Auto Titrator, Benchtop Meters with probe, Fusion furnace, Microwave digester, Liquid Scintillation Counters, Gas-Flow Proportional (GPC) counting systems, High Purity Germanium (HPGe) detectors, Alpha spectrometry systems).
• Perform subject matter expert duties on one or more analytical processes including method optimization & validation, training material and procedure development.
• Provide quality review of laboratory generated data for reporting and trending.
• Provide training and technical assistance to laboratory and external department personnel.
• Perform work within the bounds of procedures and defined work control processes with the utmost concern for the safety of self and other employees.
• Apply instruction from technical and quality documents to physically performed actions and procedure development.
• Design and execute investigative studies to assist Plant Engineering
• Maintain proper scientific files and records
• Support and perform sample and data management activities
• Build productive relationships within Operations and other external work groups
• This 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 management requests.

SUPERVISORY RESPONSIBILITIES

• May provide technical direction, training, and evaluation of assigned technical personnel

PHYSICAL REQUIREMENTS

(EFNM-LAB) Exposed Field Non-Manual - Laboratory Specialist/Chemist

Performs desk work, including writing, computer workstation processes and telephone operations. Oversees field activities through inspections, testing and equipment operations, which requires walking, standing, bending, and turning along with wearing personal protective equipment and carrying measuring tools. Occasional loading, transport, and unloading of tools and/or supplies, equipment and compresses gas cylinders specific to activity. Prepares laboratory standards and analytical equipment within approved technical procedures or activity level work control document boundaries. Operate and maintain laboratory equipment within the scope of approved procedures or activity level documents.

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.

Benefits Overview:

Our health and welfare benefits are designed to support you and your priorities. Offerings include:

• Health, dental, and vision insurance
• 120 hours accrued PTO and 8 Project Holidays and 2 Floating Holidays
• Retirement benefits (including 401(k) matching)
• Educational reimbursement
• Parental leave
• Employee stock purchase plan
• Tax-saving options
• Disability and life insurance
• Pet insurance

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

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:
05/19/2026 - 05/31/2026
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.

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