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Overview

The Princeton Plasma Physics Laboratory currently uses two (2) large, stored energy, Motor-Generators, each generator rated at 450 MVA, to supply power to the various experimental loads in support of NSTX-U operations. Each motor-generator (MG) is driven by a 15,000 HP electrical induction motor rated at 13.8 KV. The subsystem for the MG consists of cycloconverters, excitation systems, liquid rheostats, instrumentation and controls, circuit breakers, switchgear, hydraulic and lubrication systems, compressors, pumps, heat exchangers and cooling water systems.The field coil power conversion (FCPC) system consists of multi-megawatt thyristor rectifiers and IGBT H-Bridge amplifiers, current limiting reactors, isolation and grounding switches, hardwired control systems and various protection, measurement and monitoring systems.

This position is for the support of the MG systems.

The electrical systems technician for PPPL engineering will provide support for all maintenance, testing, repairs, upgrades, installations, modifications and troubleshooting of the system assigned and their associated subsystems.

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:

+ Provides technical support as a technician for NSTX-U operations and for daily/monthly/annual maintenance of subsystems.

+ During maintenance periods, perform maintenance on the system assigned.

+ Supports the maintenance and real-time troubleshooting.

+ Records and documents system performance data in accordance with established PPPL procedures and guidelines.

+ Assists in obtaining parts for emergency repairs, maintains an up-to-date knowledge of quantities and location of the extensive spares inventory at D-site.

+ Follows safe practices such as: being aware of workplace hazards/job specific hazards, following the JHA (Job Hazard Analysis) and having relevant up to date work permits.

+ Keeps training current, such as: Hoisting and rigging, Confined space, Fall protection, Cyber security, GET (General Employee Training), EUT (Electric Utilization Training) and NEC (National Electric Code).

Qualifications

Education and Experience:

+ Technical institute or associate degree with 2+ years of relevant experience; or no degree and 5+ years of relevant experience.

+ Experience with methods of control of hazardous energy (lock out/tag out).

+ Experience with MG operations/maintenance highly desirable.

Knowledge, Skills and Abilities:

+ Ability to read and understand technical drawings including power system one-line diagrams, circuit schematics and control wiring diagrams.

+ Ability to troubleshoot analog electronic circuits including op amps, comparators and logic gates.

+ Ability to effectively use electronic test equipment for troubleshooting such as oscilloscopes, signal generators and multimeters.

+ Skill in soldering for making repairs to electronic circuit boards.

Physical Requirements:

+ Must be able to work in awkward positions, at elevated heights, confined spaces, bend, climb, lift and/or move heavy objects up to 50lbs.

Working Conditions:

+ This position works in an industrial environment; onsite position, typical hours are 7 AM to 3:30 PM Monday - Friday. May be asked to work additional hours into 2nd shift or weekends depending on need or for emergencies.

Princeton University is an Equal Opportunity (https://rrr.princeton.edu/eop) 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 (https://hr.princeton.edu/benefits-overview-prospective-candidates) 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-CL1

Salary Range

$62,000 to $93,000

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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 [email protected].

Princeton University is anEqual Opportunity Employer (https://rrr.princeton.edu/eop) 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 aU.S. Department of Energy (DOE) national laboratory (https://www.energy.gov/national-laboratories) 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 ourEssential Services policy (https://hr.princeton.edu/policies/essential-services-during-emergencies-or-other-conditions) .

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Requisition #2025-20992

Date Posted2 days ago(7/29/2025 9:06 AM)

Department PPPL Engineering

Category Engineering

Job Type Full-Time