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Facilities Engineering Technician
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In office (Bucheon)
Confirmed on the employer's own hiring board on Nov 11, 2026. First seen by Alion on Nov 4, 2026. onsemi scores B on the Alion truth index.
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Onsemi is an American semiconductor company that was spun out of Motorola in 1999 and has since narrowed itself from a broad commodity chip supplier into a focused power and sensing business. Its silicon carbide and silicon power devices go into electric vehicle traction inverters, chargers and industrial drives, while its image sensors are used in automotive cameras and industrial vision, and it has deliberately exited lower-margin product lines to concentrate on these markets. Headquartered in Scottsdale, Arizona and listed on Nasdaq, it owns its own silicon carbide substrate manufacturing to secure supply.
- Operate and maintain Clean Room, HVAC, gas generation/storage/supply, ultrapure water (UPW), and utility facilities.
- Monitor and control facility operations to ensure stable manufacturing support.
- Manage safety compliance for mechanical, high-pressure gas, and water treatment systems.
- Analyze utility operation data and support continuous improvement activities.
- Operate and maintain Clean Room, HVAC, gas generation/storage/supply, ultrapure water (UPW), and utility facilities.
- Monitor and control facility operations to ensure stable manufacturing support.
- Manage safety compliance for mechanical, high-pressure gas, and water treatment systems.
- Analyze utility operation data and support continuous improvement activities.
- Associate degree or higher in Mechanical, Electrical, Chemical, Environmental, Gas Engineering, or related fields.
- Relevant certifications such as High-Pressure Gas, HVAC & Refrigeration, Mechanical Equipment, Water Treatment, Hazardous Materials, or Electrical licenses are preferred.
- Experience in semiconductor facilities or utility operations is preferred.
- Ability to work a 4-team, 2-shift schedule.
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