High Voltage Technician for the Central Utility Plant (CUP)
SWIR Vision Systems
Hopewell Junction, NY, USA
Posted on Mar 17, 2026
onsemi is seeking a High Voltage Technician for the Central Utility Plant (CUP) Facilities team in Hopewell Junction, East Fishkill, NY. This role is critical to ensuring the safe, reliable, and efficient operation of our site-wide high-voltage electrical distribution systems. The ideal candidate is skilled in troubleshooting, maintenance, and repair of medium- (480V and 208/120V) and high- (480V-13.2 kV) voltage equipment and is committed to maintaining strict safety and compliance standards.
onsemi (Nasdaq: ON) is driving disruptive innovations to help build a better future. With a focus on automotive and industrial end-markets, the company is accelerating change in megatrends such as vehicle electrification and safety, sustainable energy grids, industrial automation, and 5G and cloud infrastructure. With a highly differentiated and innovative product portfolio, onsemi creates intelligent power and sensing technologies that solve the world’s most complex challenges and leads the way in creating a safer, cleaner, and smarter world.
More details about our company benefits can be found here:
We are committed to sourcing, attracting, and hiring high-performance innovators, while providing all candidates a positive recruitment experience that builds our brand as a great place to work.
onsemi is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, ethnicity, color, religion, ancestry, national origin, age, marital status, pregnancy, sex, sexual orientation, physical or mental disability, medical condition, genetic information, military or veteran status, gender identity, gender expression, or any other protected category under applicable federal, state, or local laws.
If you are an individual with a disability and require a reasonable accommodation to complete any part of the application process, or are limited in the ability or unable to access or use this online application process and need an alternative method for applying, you may contact Talent.acquisition@onsemi.com for assistance.
Qualifications
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Associate degree in Electrical Technology or equivalent technical training.
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Minimum 3-5 years of experience working with high-voltage or medium-voltage electrical systems.
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Strong understanding of electrical theory, power distribution, and protective systems.
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Experience with high-voltage switching, LOTO procedures, and energized work practices.
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Ability to interpret electrical one-lines, schematics, and equipment manuals.
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Minimum OSHA and NFPA training required.
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Excellent troubleshooting skills and ability to work independently or in a team environment.
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Strong commitment to safety and procedural compliance.
Responsibilities
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Perform preventative and corrective maintenance on medium- and high-voltage electrical systems, including substations, switchgears, circuit breakers, transformers, VFDs, and motor starters.
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Execute high-voltage switching operations in accordance with established procedures and safety protocols.
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Support electrical infrastructure upgrades, system expansions, breaker replacements, and equipment commissioning activities.
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Diagnose equipment failures, perform root-cause analysis, and implement corrective actions.
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Collaborate with engineers, contractors, and operations teams to ensure safe execution of maintenance activities.
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Adhere to NFPA 70E, OSHA, and company safety standards during all electrical work.