Senior Optical Engineer - Metrology Systems

Onto Innovation; Hillsboro (OR); On-site; USD 97,000 - 145,000; Full time

Benefits offered by this job

Competitive salary

401(k) with employer match

Employee Stock Purchase Program (ESPP)

Health/dental/vision coverage

PTO and wellness programs

Job summary

Onto Innovation in Hillsboro, OR seeks an Optical Engineer with 5+ years of experience to design, develop, and deploy advanced optical systems for semiconductor metrology. You will work on imaging, spectroscopy, and pattern recognition channels within a multidisciplinary team to deliver state-of-the-art measurement capabilities.

Responsibilities include optics architecture, tolerancing, optical modeling, and collaboration with suppliers.

Qualifications

• 5+ years of related experience.
• Experience designing and analyzing complex optical systems.
• Proficiency with optical simulation and design tools (Zemax, CODE V, FRED, LightTools).
• Laboratory optical alignment, characterization, and troubleshooting.
• Strong analytical and problem-solving, plus communication skills.

Responsibilities

• Design and develop optical systems for semiconductor metrology applications, including imaging, spectroscopy, scatterometry, and ellipsometry.
• Define optical architectures, specifications, tolerances, and performance budgets.
• Develop illumination, collection, and imaging channels for measurement and PR applications.
• Perform optical modeling and simulation using Zemax, CODE V, FRED, LightTools, or equivalent.
• Analyze optical performance, image quality, polarization effects, SNR, stray light, aberrations, and throughput.
• Support prototype assembly, alignment, calibration, and system integration.
• Document designs, test plans, and engineering results; participate in design reviews.
• Transfer optical designs into manufacturing and field deployment.

Skills

Geometric optics

Physical optics

Polarization

Imaging systems

Radiometry

Optical design

Zemax

CODE V

FRED

LightTools

Laboratory alignment

Troubleshooting

Analytical skills

Communication skills

Education

B.S., M.S., or Ph.D. in Optical Engineering or related field

Tools

Zemax

CODE V

FRED

LightTools

Job description

Onto Innovation in Hillsboro, OR seeks an Optical Engineer with 5+ years of experience to design, develop, and deploy advanced optical systems for semiconductor metrology. You will work on imaging, spectroscopy, and pattern recognition channels within a multidisciplinary team to deliver state-of-the-art measurement capabilities.

Responsibilities include optics architecture, tolerancing, optical modeling, and collaboration with suppliers.