Jireh Semiconductor
  • Hillsboro, OR, USA
  • Full Time


  • Background in operation, maintenance, and troubleshooting of reverse osmosis/deionization, acid waste neutralization and fluoride waste treatment systems.
  • Perform PMs using skills of the craft while keeping costs low, and using critical thinking skills.
  • Work together as a team in alignment with business goals to support fab so that all Manufacturing metrics are met or exceeded.


  • Primary duties are operation, maintenance, and troubleshooting of reverse osmosis/deionization, acid waste neutralization and fluoride waste treatment systems.
  • Job duties include inventory control, ordering/receiving, performing IQC, developing methods and procedures, working with suppliers to resolve container issues, completing plant rounds, and performing maintenance.
  • Demonstrate substantial understanding in responding to gas system alarms using safe work practices, troubleshooting techniques, and good communication skills while following escalation protocol. Understands implications of work and makes recommendations for solutions.
  • Work well as part of a team and support additional duties including housekeeping and maintaining 5S work environment and responding to requests for facility services.
  • Administrative tasks include consistently using on-line passdown each shift.
  • Supporting Emergency Response Team is required. Prior first response training is desirable.
  • Must be willing to work any shift, practice good time management, and exhibit strong motivation.


  • Able to stand and walk for extended time periods during an 12 hour shift.
  • Essential daily tasks require maintaining physical condition necessary for such functions as lifting up to 50 lbs, climbing ladders, performing plant rounds, bending, squatting, kneeling and associated movements common to performing maintenance on equipment etc.
  • The successful candidate will need to pass a physical and be respirator qualified.



  • High school diploma or equivalent and 2-5 years of experience operating and maintaining RO/DI and acid waste neutralizations systems at a semiconductor or large industrial plant required. Prior experience as a facility or equipment maintenance technician highly desirable.
  • Ability to demonstrate electro-mechanical aptitude required. General knowledge of PLCs, experience with calibrations, and Cimplicity SCADA, is desirable.
  • The ability to read and understand SDSs, and follow environmental and safety regulations as they pertain to designated tasks is required. Chemical handling experience is preferred.
  • Must use good judgment in troubleshooting, ensuring safe measures are taken while following policy, and understanding equipment connectivity to fab tools.
  • Must have basic computer skills such as MS Word, Excel, and e-mail.

About Jireh Semiconductor: BENEFITS SUMMARY:

  • 401(k)
  • Employee Stock Purchase Plan (ESPP)
  • Two medical plans (Cigna Health Care HRA & Kaiser Permanente)
  • Dental ($2000 yearly maximum)
  • Vision
  • Paid Life Insurance & Long Term Disability
  • Short Term Disability
  • And more!

COMPANY INFORMATION: Alpha and Omega Semiconductor (AOS) is committed to excellence in design, manufacturing, and responsiveness to our customers through the continued development of new technologies, products and innovative solutions. We bring to the market devices designed to benefit our customers by meeting their product specific needs. Our mission is to bring value to our customers, shareholders and employees.

AOS differentiates itself by integrating its Discrete and IC semiconductor process technology, product design, and advanced packaging know-how to develop high performance power management solutions. AOS's portfolio of products targets high-volume applications, including but not limited to portable computers, flat panel TVs, LED lighting, smart phones, battery packs, consumer and industrial motor controls and power supplies for TVs, computers, servers and telecommunications equipment.

Jireh Semiconductor, Inc., a wholly owned subsidiary of Alpha and Omega Semiconductor Ltd., is the in-house wafer fab for AOS and is located in Hillsboro, Oregon.



Jireh Semiconductor
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