Optical Test Engineer

Lumilens; Singapore; On-site; SGD 120,000 - 180,000; Full time

Benefits offered by this job

Competitive salary commensurate with经验

Comprehensive benefits package, health

Professional development opportunities

Access to photonics test environments

Collaborative cross-functional team

Equal opportunity employer

Job summary

Lumilens in Singapore is seeking an Optical Product Test Engineer to validate photonic components, modules, and systems. You will perform hands-on production testing, develop test methods, and contribute to both NPI and volume manufacturing.

You will work with optical design, hardware, and manufacturing teams to calibrate, characterize, and troubleshoot advanced photonics technologies that power AI and HPC infrastructures.

Qualifications

• BS or MS in Engineering, Physics, Optics, or related field.
• 8+ years of industry experience in optical or fiber component testing.
• Exposure to photonics, telecom, or high-speed networking systems is a plus.

Responsibilities

• Characterize and test fiber optic components and modules.
• Analyze results to ensure compliance with performance specifications and quality standards.
• Maintain accurate, detailed records of test procedures and outcomes.
• Generate comprehensive test reports for internal and external stakeholders.
• Support troubleshooting and root cause analysis to resolve product issues.
• Design, plan, and conduct optical and fiber testing on components, devices, and systems.
• Collaborate with cross-functional engineering teams to support NPI and manufacturing ramp.

Skills

Optical test instruments

Test automation tools

Automation scripts

Analytical skills

Multitasking

Documentation skills

Education

BS/MS in Engineering/Physics/Optics

Tools

Python

LabVIEW

Visual Basic

Shell scripting

Job description

About Lumilens

At Lumilens we are building the critical photonics infrastructure that powers tomorrow’s AI supercomputing. From chip-to-chip optical interconnects to scalable photonic engines, Lumilens is unlocking a new era of computing—faster, cooler, and massively more efficient.

We’re a well‑funded startup backed by Mayfield and led by veterans who have built and scaled some of the most transformative technologies in the industry. At Lumilens, we’re developing high‑speed photonics products purpose‑built to power the future of AI infrastructure and high‑performance computing.

About The Role – Optical Product Test Engineer

As an Optical Product Test Engineer, you will play a vital role in validating and ensuring the quality of Lumilens’ photonic components, modules, and systems. This position combines hands‑on production testing with test development and reporting, supporting both new product introduction (NPI) and volume manufacturing. You will collaborate closely with the optical design, hardware, and manufacturing teams to calibrate, characterize, and troubleshoot next‑generation photonics technologies that will drive tomorrow’s AI and HPC infrastructure.

Primary Duties & Responsibilities

• Perform characterization and testing of fiber optic components and modules
• Analyze test results to ensure compliance with performance specifications and quality standards
• Maintain accurate, detailed records of test procedures and outcomes
• Generate comprehensive test reports for internal and external stakeholders
• Support troubleshooting and root cause analysis to resolve product issues
• Design, plan, and conduct optical and fiber testing on components, devices, and systems
• Collaborate with cross‑functional engineering teams to support NPI and manufacturing ramp

Education & Experience

• BS or MS in Engineering, Physics, Optics, or a related technical field
• 8+ years of industry experience in optical or fiber component testing preferred
• Prior exposure to photonics, telecom, or high‑speed networking systems is a plus

Skills

• Hands‑on experience with optical test instruments (e.g., optical spectrum analyzers, power meters, polarization controllers, bit‑error‑rate testers)
• Familiarity with communication interfaces and test automation tools
• Ability to write or adapt scripts for automation (Python, LabVIEW, Visual Basic; Shell scripting a plus)
• Strong analytical skills to interpret complex test data and identify patterns or anomalies
• Resourceful problem‑solver with ability to apply knowledge creatively to test challenges
• Capable of managing multiple test projects and priorities in a fast‑paced environment
• Strong communication and documentation skills; able to train and mentor peers when needed

What we offer

• Competitive salary commensurate with experience
• Comprehensive benefits package, including health insurance
• Professional development and certification opportunities
• Access to cutting‑edge optical/photonics test environments and tools
• A collaborative, cross‑functional team dedicated to solving some of the hardest challenges in photonics
• Equal opportunity employer: All qualified applicants will receive consideration without regard to race, color, religion, gender, identity, orientation, veteran status, disability, or any other legally protected status