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Senior Mechanical/Automation Engineer

Applied Optoelectronics, Inc.
Sugar, TX Full Time
POSTED ON 5/30/2026
AVAILABLE BEFORE 7/30/2026

Summary

We are seeking a Senior Mechanical/Automation Engineer to support new production line setups and equipment qualifications. In this role, you will work on configuring, testing, and validating automated machinery and processes to ensure smooth ramp-up and readiness for mass production.

Job Duties

  • Plan and execute production line setup, ensuring equipment readiness for pilot and mass production.

  • Troubleshoot mechanical, process, or equipment-related issues and drive root-cause corrective actions ensuring the yield stability and improvement.

  • Develop and maintain SOPs, Work Instructions, and training materials for production processes.

  • Perform and document FAT/SAT (Site Acceptance Test) for new or transferred equipment.

  • Work with R&D teams to integrate new processes for new products and implement to production lines.

  • Support floor layout design and process flow optimization to improve efficiency and safety.

  • Provide feedback to mechanical design colleagues on existing projects or design new systems with mechanical related issues.

  • Identify and implement automation improvements to reduce cycle time and enhance quality based on process requirements.

  • Support equipment commissioning, maintenance, and calibration activities.

  • Proficient in SolidWorks or equivalent 3D CAD tools and perform other duties as assigned.

  • 5 ~ 10% international travel is expected for supplier visits, equipment qualification, or line setup.

  • Overtime may be required during ramp-up or line setup activities.

Qualifications

Required:

  • Bachelor’s degree in Mechanical, Industrial, Manufacturing Engineering or related field

  • 0-2 years in manufacturing, process, or automation engineering work

  • Ability to read mechanical drawings and understand manufacturing processes

Preferred:

  • Bilingual in Chinese (Mandarin) is a plus

  • 3 years experience in semiconductor field is a strong plus

  • Working experience with SolidWorks or any 3D modeling software, preferred to also have common programming language knowledge such as LabVIEW programming or Nvidia software environments

  • Experience with PLC programming or industrial automation controls is beneficial

  • Understanding of Lean Manufacturing and process validation concepts (Cpk, GR&R).

  • Knowledge about transceivers or optical module assembly/testing

Location

This position will be on-site based in Sugar Land, Texas.

WHY AOI?

In addition to competitive salary, AOI offers

  • Flexible and competitive health (medical, dental, vision) plans offer the employee with the right options to meet individual and family needs

  • Employer matching on 401(k) deferrals

  • Generous PTO policy, with unused PTO payout at end of the year

  • Relocation package available within US

  • Immigration sponsorships (Must be currently authorized to work in the US)

Salary.com Estimation for Senior Mechanical/Automation Engineer in Sugar, TX
$107,580 to $130,145
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