Nuclear Mechanic I/II/III
Date: Jun 20, 2025
Location: WATERFORD, CT, US, 06385
Company: Dominion Energy
Dominion Energy is committed to providing reliable, affordable, and increasingly clean energy that powers our customers every day. If you want to work for a purpose-driven company that values safety and collaboration, we’re looking for you. You won’t just find a job here; you’ll find your career. Review the position below and apply today.
Military service members and veterans with ranks from E3-E5, W1-W2, or O1-O3, plus appropriate equivalent combination of education and years of experience as outlined below will be considered for this opportunity.
Job Summary
Nuclear Mechanic I
This is the entry level in a progressive job series responsible for performing mechanical work in the inspection, repair, testing, adjustment, installation and removal of nuclear power plant equipment. Incumbents perform, under the guidance of supervisor or experience staff, basic to routine inspections and repairs on turbines, heat exchangers, pumps, fans and similar equipment. With guidance, aligns and balances rotating equipment. May assist with the set up and operation of lathes, milling machines, shapers, drill presses and other machine tools in the performance of machine work to close tolerances. May learn welding techniques to assist with the maintenance, repair or construction of various nuclear power plant equipment and pressure vessels. With direction, may assist with the assembly of piping, valves and fittings by welding. Receives guidance or direction from supervisor or more experienced staff on unusual or more complex problems.
Nuclear Mechanic II
This is a second level position in a 3 level job series. Perform maintenance activities on mechanical systems and components. Identify abnormal system and component indications and diagnose the probable cause relative to mechanical components. Identify component failure modes (e.g. valve thermal binding and pump failures) and perform the possible diagnostic and repair actions that may be necessary. Perform troubleshooting of defective components. Breach systems, establishing applicable radiological exposure and contamination controls. Disassemble and assemble components and equipment including removal, repair and torquing techniques. Perform adjustments and calibrations on components and systems. Rig and lift major components such as pumps and motors. Perform local and manual operation of components during maintenance. Dispose of waste or hazardous materials resulting from system maintenance. Verify operational test characteristics (e.g., proper rotation, temperature, pressure). Participate in self-assessments and prompt resolution of department issues. Responsible for receiving and sharing information in a timely manner related to issues such as safe work practices, work schedules or delays, nonproductive resources, errors not readily apparent or easy to detect, non-compliance with or inaccurate procedures, and work processes or procedures that could improve performance or reduce costs. Perform work activities in accordance with department standards and expectations.
Job Summary cont.
Nuclear Mechanic III
This is the third level in a 3 job series. Perform maintenance activities on Mechanical systems and components. Identify abnormal system and component indications and diagnose the probable cause. Identify component failure modes (e.g. valve thermal binding and pump failures) and perform the possible diagnostic and repair actions that may be necessary. Perform troubleshooting of defective components. Breach systems, establishing applicable radiological exposure and contamination controls. Perform maintenance activities on Mechanical systems and components. Disassemble and assemble components and equipment including removal, repair and torquing techniques. Perform adjustments and calibrations on components and systems. Rig and lift major components such as pumps and motors. Perform local and manual operation of components during maintenance. Dispose of waste or hazardous materials resulting from system maintenance. Verify operational test characteristics (e.g., proper rotation, temperature, pressure). Participate in self-assessments and prompt resolution of department issues. Responsible for receiving and sharing information in a timely manner related to issues such as safe work practices, work schedules or delays, nonproductive resources, errors not readily apparent or easy to detect, non-compliance with or inaccurate procedures, and work processes or procedures that could improve performance or reduce costs. Perform work activities in accordance with department standards and expectations.
Required Knowledge, Skills, Abilities & Experience
The knowledge, skills, abilities and experience required for entry into this job include the following:
Nuclear Mechanic I
One year of related experience. This level requires some knowledge of mechanical work such as experience gained in a high school technical program and that demonstrates basic mechanical aptitude. Must be able to learn how to repair, test, install and remove power plant or related equipment. Some knowledge and skill in the use of mechanical/power tools and equipment is required. Ability to learn to perform basic troubleshooting and diagnosis of mechanic problems. Ability to learn to perform general repairs or replace components as needed. Must be able to learn the plant systems and their functions pertinent to plant administrative requirements. Attention to detail desired. May need to learn welding work in the repair, maintenance and construction of various nuclear power plant equipment if required. Some job assignments may required the incumbent hold a welding certification. Position requires maintaining unescorted plant access qualification, maintaining enclosed volume and radiation worker qualifications, and supporting non-core work schedules (night shift) to support the needs of the plant. Individual must be able to meet the physical job requirements of this position and support the department's shop on-call responsibilities.
Nuclear Mechanic II
This level requires a minimum of two years of related experience. Must be qualified and able to perform the responsibilities and tasks of the position to accurately read, interpret, and comply with company/department procedures, provide attention to detail, and to minimize errors. Capable of working with mechanical tools and working knowledge of plant systems and their functions pertinent to plant administrative requirements. Position requires maintaining unescorted plant access qualification, maintaining enclosed volume and radiation worker qualifications, maintaining Station Emergency Response Organization (SERO) qualifications, and supporting non-core work schedules (night shift) to support the needs of the plant. Individual must be able to meet the physical job requirements of this position and support the department's shop on-call responsibilities.
Nuclear Mechanic III
This level requires a minimum of four years of related experience. Must be qualified and able to perform the responsibilities and tasks of the position to accurately read, interpret, and comply with company/department procedures, provide attention to detail, and to minimize errors. Capable of working with mechanical tools and working knowledge of plant systems and their functions pertinent to plant administrative requirements. Position requires maintaining unescorted plant access qualification, maintaining enclosed volume and radiation worker qualifications, maintaining Station Emergency Response Organization (SERO) qualifications, and supporting non-core work schedules (night shift) to support the needs of the plant. Individual must be able to meet the physical job requirements of this position and support the department's shop on-call responsibilities.
Education Requirements
Required level of education:
High School Diploma or GED
Licenses, Certifications, or Quals Description
ANSI/ANS-3.1-2014, Section 4.5.7.1 and 4.5.7.2
Education requirements: High school diploma
Minimum experience for the position: Related experience 1 yr.
REFER to ANSI/ANS-3.1-2014, Section 4.1, for guidance on alternatives to degree requirements, experience substitution for education, and alternatives to experience (not allowed for Special requirements).
Note: Dominion Energy minimum requirements may exceed stated ANSI standards and candidates must meet the Dominion Energy minimum requirements.
Working Conditions
Other Working Conditions
Test Description
Export Control
Certain positions at Dominion Energy may involve access to information and technology subject to export controls under U.S. law. Compliance with these export controls may result in Dominion Energy limiting its consideration of certain applicants.
Other Information
We offer excellent plans and programs for employees. Employees are rewarded with a competitive salary and comprehensive benefits package which may include: health benefits with coverage for families and domestic partners, vacation, retirement plans, paid holidays, tuition reimbursement, and much more. To learn more about our benefits, click here dombenefits.com.
Dominion Energy is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin and/or status as a protected veteran or individual with a disability.
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Nearest Major Market: Hanover
Nearest Secondary Market: Chesterfield
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Power Plant, Nuclear, Night, Mechanic, Environmental Engineering, Energy, Operations, Engineering