Liquid Metals Mechanical Engineering Technician Apprentice

Requisition # 2026-21700

Date Posted 9 hours 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 apprenticeship@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.

Standard Weekly Hours 40.00

Eligible for Overtime Yes

Benefits Eligible Yes

Probationary Period 90 days

Salary Range $48,000 to $72,000