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Title Senior Mechanical Engineer

Position Number 40853

Company Hanford Tank Waste Operations

City/State Richland, WA

Location 200E

Posted 04/16/2026

Closes 05/03/2026

Regular/Temporary Regular

Full/Part-Time Full-Time

Job Responsibilities/Duties

Hanford Tank Waste Operations & Closure (H2C) delivers exceptional performance in safely removing, treating, and disposing of tank waste. H2C leads the nation's largest and most complex radioactive waste cleanup, including closure of the legacy waste tanks at Hanford containing 56 million gallons of radioactive and chemical waste.

Joining H2C means becoming part of a team dedicated to creating "The Solution Today for a Better Tomorrow." At H2C, our culture is deeply rooted in our Vision, Mission, Values, and Behaviors, which guide our efforts on the Hanford Site and within our communities. Our vision to tackle the Department of Energy's largest environmental challenge reflects our commitment to leaving a positive legacy for future generations. We strive to deliver exceptional performance in safely removing, treating, and disposing of tank waste. Our values emphasize living safely, acting with integrity, and working collaboratively as a team. We encourage innovation, personal accountability, and continuous improvement, fostering an environment where everyone is empowered to contribute to our mission and celebrate our achievements. By embracing these principles, you will be part of a forward-thinking organization dedicated to making a meaningful impact today and for the future.

This Mechanical Engineering role supports the Effluent Treatment Facility (ETF), which is a less than Hazard Category 3 facility that treats and disposes liquid effluents from Hanford programs and projects. The ETF removes chemical and low levels of radioactive contaminants from various waste feed streams. ETF is currently installing new unit operations.

The selected candidate will develop and assume technical responsibility for multiple systems within ETF. This position will ensure that the facility is maintained/upgraded in accordance with applicable codes, standards, requirements, criteria, and specifications and that engineering products are developed in accordance with good engineering practices and that requirements are adequately flowed down to specific work scope.

• Develop and/or review Engineering Change Notices, specifications, calculations, drawings, and material requests.

• Provide facility specific input to projects and assist projects in setting up operating procedures, maintenance procedures, and identifying equipment that requires preventative maintenance.

• Assist Operations in trouble shooting activities.

• Support work package development, routine maintenance activities, field walkdowns, and field work execution.

• Participate in procedure development and revisions.

• Prepare technical manuals, written reports, documents, and presentations.

• Deliver technical presentations to engineering, operations, projects, and customer organizations.

• Daily contact, both verbal and written, with peers and related functional groups.

• Shall obtain and maintain at a minimum an Engineering Technical Staff qualification card and work toward a system Design Authority qualification.

Required Qualifications

Grade 19:

Bachelor of Science (BS) degree in Mechanical Engineering or related technical discipline; and

Nine (9) years of related experience

Grade 20:

Bachelor of Science (BS) degree in Mechanical Engineering or related technical discipline; and

Ten (10) years of related experience

Note the essential duties for this grade level are like that of the previous grade level, however the scope of responsibility is larger, and the expected level of performance is increased.

Grade 21:

Bachelor of Science (BS) degree in Mechanical Engineering or related technical discipline; and

Twelve (12) years of related experience

Note the essential duties for this grade level are like that of the previous grade level, however the scope of responsibility is significantly larger, and the expected level of performance is greatly increased.

Desired Qualifications

Experience with ASME 31.1 and B31.3 piping system designs.

Knowledge of applicable codes, standards, and environmental regulations

Excellent verbal communication skills

Previous Hanford Experience

Compensation & Benefits

In accordance with the company's philosophy on compensation for exempt and salaried non-exempt employees, H2C takes into consideration a variety of factors when determining initial grade and salary to include assigned job scope and responsibility, a candidate's qualifications as compared to internal comparators performing in a similar role, and the external labor market. A salary offer will be made at the appropriate grade level and within the targeted hiring range posted according to these factors. Note a candidate's prior salary history will not be taken into consideration.

Hiring Range Minimum: $119,813

Hiring Range Maximum: $183,050

H2C offers a comprehensive benefits package to include medical/dental/vision, short-and long-term disability, life insurance, 401(k) with employer match, and paid time off. For a full list of benefits please visithttps://hmis.hanford.gov/hr/page.cfm/HEWTBenefits

Relocation Funding Provided Yes

U.S. Citizenship Required Yes

Clearance Required No

Job Classification Exempt

Shift Work Required No

As an Equal Employment Opportunity employer, H2C abides by federal statutory requirements of 41 CFR § 60-300.5 VEVRAA Protected Veterans, 41 CFR § 60-741.5 Workers with Disabilities, Title VII of the Civil Rights Act of 1964, and state and local requirements.

These regulations prohibit discrimination against qualified individuals based on their status as protected veterans or individuals with disabilities and prohibit discrimination against all individuals based on their race, color, religion, age, sex, and national origin. This applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.

Applicants and employees have rights under Federal and State Employment Laws and are protected against discrimination. To view information regarding these rights, please click on these links:

• Know Your Rights: Workplace Discrimination is Illegal (https://www.dol.gov/sites/dolgov/files/OFCCP/regs/compliance/posters/pdf/22-088_EEOC_KnowYourRights.pdf)

• Pay Transparency Policy Statement

• Family Medical Leave Act (https://www.dol.gov/sites/dolgov/files/WHD/legacy/files/fmlaen.pdf)

• Employee Polygraph Protection Act

• WA State Paid Family Medical Leave (https://paidleave.wa.gov/app/uploads/2021/12/2021.12.Six-things-to-know-about-Paid-Leave.pdf)