Liquid Metals Mechanical Engineering Technician Apprentice

Requisition # 2026-21700
Date Posted 1 day ago(4/8/2026 3:26 PM)
Department
PPPL Engineering
Category
Engineering
Job Type
Full-Time

Overview

Princeton Plasma Physics Laboratory Apprenticeship is the first-in-the-nation registered apprenticeship program in fusion energy and engineering. It is designed to equip the next generation of technicians with the skills necessary to help build and operate a fusion energy experiment. A PPPL Apprenticeship is an industry-driven, high-quality career pathway for high school graduates, veterans, and others looking to join this exciting endeavor. The Mechanical Engineering Technician Apprentice (Liquid Metals) program shall be considered complete when the apprentice has satisfactorily completed each of the competencies listed below and the related technical Instruction. This apprenticeship takes approximately 3 to 4 years to complete. The program leads to a portable, nationally recognized credential and a possible career at our national laboratory. The apprentice will receive pay and benefits, as well as all the RTI is fully paid for by PPPL.


PPPL apprenticeship website: https://www.pppl.gov/work-with-us/apprenticeships. Questions can be sent to apprenticship@pppl.gov.

Apply theory and related knowledge to commission, test and modify developmental or operational mechanical equipment and machinery in a large laboratory environment: Assembles and tests experimental vacuum, water, cryogenic, magnetic, and other equipment and components according to engineering data and knowledge of mechanical principles. Modifies mechanical prototypes to correct functional deviations in coordination with a mechanical engineer or research staff. Diagnoses the cause of malfunction or failure of operational equipment and performs preventative and corrective maintenance. Develop layout drawings and technical procedures for system or equipment modifications and direct personnel performing routine installation and maintenance duties. Plans, directs, and records periodic testing, and recommends or initiates modification or replacement of equipment which fails to meet acceptable operating standards. This position focuses on developing, operating, maintaining, and handling liquid metals for use in experimental devices.

 

A U.S. Department of Energy National Laboratory managed by Princeton University, the Princeton Plasma Physics Laboratory (PPPL) is tackling the world’s toughest science and technology challenges using plasma, the fourth state of matter. With more than 70 years of history, PPPL is a leader in the science and engineering behind the development of fusion energy, a potentially limitless energy source. PPPL is also using its expertise to advance research in the areas of microelectronics, quantum sensors and devices, and sustainability sciences. Whether it be through science, engineering, technology or professional services, every team member has an opportunity to contribute to our mission and vision. Come join us!

Responsibilities

Core Duties: 

 

Safe handling of Alkali and liquid metals

  • Glovebox operations and maintenance
  • Loading and handling of lithium and other alkali metals (liquid or solid)

Mechanical Maintenance and Repairs

  • Perform routine maintenance and general repair of experimental devices, support systems, and experimental facility
  • Proper use of power and hand tools

Laboratory Mechanical System Applications and Procedures

  • Create, modify, and run procedures for operating, maintaining, and disabling experimental devices, support systems, and experimental facilities.

Installation, Operation, and Repair of Laboratory Equipment

  • Vacuum systems and components
  • Gas
  • Water systems
  • Magnetics
  • Neutral Beams
  • Diagnostics
  • Electrical/electronic devices
  • Lasers

Equipment Troubleshooting and Repair

  • Pumps
  • Electrical devices
  • Controls
  • Diagnostics

Machine Shop Operation

  • Saws
  • Drill Press
  • Milling Machine
  • Lathe
  • Threading and Tapping

Mechanical Drawing and CAD

  • Create, modify, read prints and assembly drawings

Pneumatics/Hydraulics

  • Installation, Troubleshooting and Repair pneumatic and hydraulic systems and components (valves, tables, shutters, etc.)

Qualifications

Education and Experience: 

  • Must be at least 18 years old and have a high school diploma or equivalent by the start of the program. No experience is needed. This "earn while you learn" apprenticeship program and does not require any degrees or certificates. Candidates with an existing degree or significant work experience in this field may be considered overqualified.
  • The program will enroll the successful candidate into Related Technical Instruction (RTI). Online classes through ToolingU, Creo (CAD), and Compressed gases training, and in person training in Fundamentals of Vacuum technology, Alkali metal safe handling, for the If you are already taken a similar course, you can possibly be credited for those courses towards the program.

  • High school diploma or equivalent (GED) required.

Knowledge, Skills and Abilities:

 

Passionate, dedicated, motivated, time management, problem solving, team player, ready to learn and be challenged. Below are some areas that this apprenticeship will cover, it is not required to have former knowledge or experience in these skills, however it would be beneficial to have some general knowledge going into the program.

  • Reading and understanding technical drawings including power system one-line diagrams, circuit schematics, control wiring diagrams and general arrangement drawings.
  • Basic understanding of computers, electrical/electronic principles, circuits, and safety practices.
  • Familiarity with common hand tools and basic power tools used in the trade.
  • Strong commitment to safety protocols and procedures, particularly Lock Out Tag Out (LOTO) and Electrical safety.
  • Ability to follow verbal and written instructions accurately and efficiently.
  • Ability to work in various physical conditions (e.g., confined spaces, heights, varying temperatures).
  • Effective communication skills and the ability to work collaboratively within a team environment.

Physical Requirements: 

  • Must be able to work in awkward positions, in narrow or confined spaces, bend, climb, lift and/or move heavy objects up to 50lbs.
  • Must be able to climb ladders or stairs to reach objects; comfortable with heights.
  • May require frequent kneeling, bending, walking and/or standing for long periods of time.

Working Conditions: 

  • This position is fully on-site. The candidate must be able to work 40 hours per week and attend classes outside of working hours.

 

Princeton University is an Equal Opportunity Employer and all qualified applicants will receive consideration for employment without regard to age, race, color, religion, sex, sexual orientation, gender identity or expression, national origin, disability status, protected veteran status, or any other characteristic protected by law.

 

The University considers factors such as (but not limited to) scope and responsibilities of the position, candidate's qualifications, work experience, education/training, key skills, market, collective bargaining agreements as applicable, and organizational considerations when extending an offer. The posted salary range represents the University's good faith and reasonable estimate for a full-time position; salaries for part-time positions are pro-rated accordingly.

 

If the salary range on the posted position shows an hourly rate, this is the baseline; the actual hourly rate may be higher, depending on the position and factors listed above.

 

The University also offers a comprehensive benefit program to eligible employees. Please see this link for more information.


Please be aware that the Department of Energy (DOE) prohibits DOE employees and contractors from participation in certain foreign government talent recruitment programs. All PPPL employees are required to disclose any participation in a foreign government talent recruitment program and may be required to withdraw from such programs to remain employed under the DOE Contract.

Standard Weekly Hours

40.00

Eligible for Overtime

Yes

Benefits Eligible

Yes

Probationary Period

90 days

Essential Services Personnel (see policy for detail)

No

Physical Capacity Exam Required

Yes

Valid Driver's License Required

No

#LI-BV1

Salary Range

$48,000 to $72,000

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If you are a qualified individual with a disability and are, therefore, unable or limited in your ability to use or access this system, you can request a reasonable accommodation by contacting PPPL's Office of Human Resources at Onboarding@pppl.gov.

Princeton University is an Equal Opportunity Employer and all qualified applicants will receive consideration for employment without regard to age, race, color, religion, sex, sexual orientation, gender identity or expression, national origin, disability status, protected veteran status, or any other characteristic protected by law.

Princeton University-PPPL job offers are contingent upon the candidate’s successful completion of a background check, reference checks, and pre-employment screening, as applicable.

PPPL is a U.S. Department of Energy (DOE) national laboratory managed by Princeton University. The DOE prohibits DOE employees and contractors from participation in certain foreign government talent recruitment programs. All PPPL employees are required to disclose any participation in a foreign government talent recruitment program and may be required to withdraw from such programs to remain employed under the DOE Contract.

Princeton University-PPPL is a residential community and an employer that operates continuously 24 hours a day. Essential services employees perform jobs that are necessary and required to maintain basic University operations during scheduled closures or unscheduled suspension of normal operations due to emergencies, events, or other situations. Essential services employees may be asked and/or required to perform jobs or duties that fall outside of their normal job classification during an emergency event. Learn more about our Essential Services policy.

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