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Optical Coating Engineer

Department:  SPD Chip Production
Job Code: SPDLC1804


Applied Optoelectronics, Inc. is currently seeking a highly motivated and experienced person to operate optical coating equipment for fabrication of thin film semiconductors. Responsibilities include operation, maintenance, modifications, designs and repairs to the coating equipment.

Job Duties

  • Responsible for optical coatings based on ion beam assisted sputtering and e-beam evaporation.
  • Maintain production coating runs for high quality AR and HR coatings on facets.
  • Solve issues - e.g., Leak in chamber, dry pump, cryo pump maintenance, dealing with vendors to buy parts.
  • Optimize process parameters - e.g., Gas flow, substrate temperature, rate of deposition to achieve desirable properties of films.
  • Optical measurements on ellipsometry for various coating characteristics.
  • Lead maintenance, modifications, repair of coating machine.
  • Written and oral reports and SOPs.
  • Train, Support and troubleshooting of production line.


Bachelor in Electrical Engineering or semiconductor related field .


Minimum 5+ years of direct work experience is required.

Hands-on optical coating process knowledge.


  • Well-developed interpersonal and communication skills.
  • Excellent analytical, organizational, planning and problem-solving/troubleshooting skills
  • Comfortable multi-tasking in a fast-paced engineering and manufacturing environment


Sugar Land, TX 

Optical coating engineer application form