Optical Design Engineer - Precision Lab Instruments

Hamilton Company; Hamilton (NJ); On-site; USD 110,000 - 150,000; Full time

Job summary

Cerillo, a Hamilton Company subsidiary, seeks an Optical Engineer to design, develop, and qualify precision optical systems for compact multi-wavelength absorbance microplate readers. You will select components, build mounts, and collaborate with electrical and mechanical teams to ensure high sensitivity and robustness in a fast-paced lab environment.

The role requires hands-on optics experience, strong analytical skills, and the ability to work independently and with cross-functional teams in a

Qualifications

• Deep understanding of optical theory including photometry, radiometry, geometric optics, interference, stray light analysis.
• Proficiency in optical design and simulation software (Zemax OpticStudio, FRED, or equivalent).
• Hands-on experience designing and assembling precision optical systems with alignment and verification.
• Experience with absorbance-based photometric measurement systems preferred.
• Knowledge of photodetector technologies and optomechanical interfaces.

Responsibilities

• Design and develop precision optical systems for compact multi-wavelength absorbance readers.
• Determine optical specifications and system requirements per product design.
• Select, evaluate, and qualify optical components and subsystems.
• Design mechanical mounts and alignment fixtures for stable optical alignment.
• Develop repeatable alignment procedures for photometric performance across wavelengths.
• Build inspection tools and test setups to characterize performance and detect aberrations.
• Perform optical modeling and simulations to guide design decisions (Zemax, FRED).
• Collaborate with electrical and mechanical engineers on integration and interfaces.
• Develop test methods and acceptance criteria for production and qualification.
• Troubleshoot optical issues; implement corrective actions and documentation.
• Support regulatory documentation and optical safety assessments; contribute to roadmaps.

Skills

Optical theory

Optical design software

Precision optics assembly

Absorbance photometry

Optomechanics

Photodetectors integration

Test planning

Cross-functional teamwork

Communication

Education

Bachelor's degree in Optical Engineering or related

Tools

Zemax OpticStudio

FRED

Job description

Cerillo, a Hamilton Company subsidiary, seeks an Optical Engineer to design, develop, and qualify precision optical systems for compact multi-wavelength absorbance microplate readers. You will select components, build mounts, and collaborate with electrical and mechanical teams to ensure high sensitivity and robustness in a fast-paced lab environment.

The role requires hands-on optics experience, strong analytical skills, and the ability to work independently and with cross-functional teams in a