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ASML Logo ASML · Manufacturing

Production Engineer (Optics)

Taiwan, Linkou · Job Posted May 05, 2026
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Job Description

ASML’s Production Engineer Team in Linkou supports the mature product portfolio—including PAS5500, YieldStar (YS), Reticle Handler (RH), and XT—with over 450 engineers across electrical, software, mechanical, mechatronics and system specialties. The team combines the strengths of Development & Engineering (D&E), Manufacturing, and Customer Support to ensure stable factory output, rapid issue resolution, and structural improvements across mature system generations. As a Production Engineer (Optics), you will focus on optical module preparation, alignment, calibration, troubleshooting, and system-level optical behavior that impacts factory output. This role emphasizes hands-on optical module diagnostics, problem-solving, production support, and close collaboration with multidisciplinary engineering teams to drive structural improvements and prevent repeat failures.

Job Responsibility

  • Diagnose optical issues across PAS5500/YS/RH/XT modules, including illumination paths, imaging modules, optical sensors, interferometric components, and alignment/calibration fixtures
  • Perform optical alignment checks, optical path inspection, contamination evaluation, and basic interferometric or reflective diagnostics
  • Investigate light source stability issues, optical throughput variations, imaging behavior deviations, sensor accuracy concerns, and calibration failures
  • Support factory integration activities involving optical modules, lens assemblies, optical stages, scanning/measurement submodules, and sensor-based calibration processes
  • Execute optical calibration sequences and assess calibration result quality
  • Provide clear containment actions to minimize machine downtime and secure stable production output
  • Collaborate with D&E (Optics/Mechatronics/S&C) on deep-dive investigations into optical behavior deviations or sensing inconsistencies
  • Define accurate technical problem statements and support structured root cause analysis (RCA)
  • Contribute to ECN implementation and ensure solutions resolve structural optical issues
  • Maintain and enhance optical diagnostic procedures, calibration workflows, and troubleshooting guides
  • Identify diagnostic gaps and propose improvements in test steps, alignment checks, or optical evaluation criteria
  • Improve documentation clarity to support both Manufacturing and Customer Support
  • Collaborate with Mechanical, Electrical, Software & Control, Mechatronics, and D&E optical teams to verify findings and drive issue resolution
  • Communicate effectively with global stakeholders and ensure proper escalation paths are followed

Requirements

  • Bachelor’s or Master’s degree in Optics / Optical Engineering
  • Applied Physics (with optical specialization)
  • Photonics
  • Electro-Optical Engineering
  • Optical Science / Optical Technology
  • Or other optics-related disciplines
  • 3-5 years of experience in one or more of the following: Optical module assembly, integration, alignment, or calibration
  • Optical testing/measurement (laser alignment, imaging, interferometry basics, illumination systems, optical sensors)
  • Troubleshooting optical modules or sensing components in precision equipment
  • Hands-on experience with optical benches, alignment tools, microscopes, or optical inspection equipment
  • Understanding of fundamental optics principles: reflection/refraction, imaging basics, tolerancing, alignment sensitivity, contamination effects
  • Ability to interpret optical measurements and identify abnormal system behavior
  • Strong analytical and problem‑solving skills for optical/system‑level issues
  • Experience supporting production, manufacturing engineering, or equipment troubleshooting

Nice to have

  • Experience with semiconductor equipment, metrology tools, optical modules, or precision machinery
  • Familiarity with optical calibration methods, optical inspection tools, or sensor characterization
  • Understanding of mechanical–optical interactions and tolerance stack‑up behavior
  • Exposure to engineering change processes, structured RCA, or reliability improvement initiatives
  • Basic scripting (MATLAB/Python) for optical data analysis is a plus
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