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OnsiteStaff/Principal/Architecthardware

Optical Manufacturing Principal Engineer

LumilensSingaporePosted 20 May 2026

Lumilens is a well-funded startup building critical photonics infrastructure for AI supercomputing. This principal-level role focuses on end-to-end manufacturing test ownership, including test software development, automation, and system validation. You will utilize Python, Ixia, and various optical test instruments to ensure yield, quality, and performance of complex photonic modules. The role requires strong expertise in manufacturing processes, network protocols, and cross-functional collaboration within a global environment.

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Experience

7+ years

Function

Engineering

Work mode

Onsite, Singapore

Company

Tier 2

What you will work on

Lumilens is a well-funded startup building critical photonics infrastructure for AI supercomputing. This principal-level role focuses on end-to-end manufacturing test ownership, including test software development, automation, and system validation. You will utilize Python, Ixia, and various optical test instruments to ensure yield, quality, and performance of complex photonic modules. The role requires strong expertise in manufacturing processes, network protocols, and cross-functional collaboration within a global environment.

TAL's take

Quality 65/1005/5 clarityTier 2 company

High-caliber role in a well-funded deep tech startup focused on cutting-edge optical infrastructure for AI, requiring significant seniority and specialized domain expertise.

The JD is extremely detailed, providing clear responsibilities, specific technical requirements, and contextual team information regarding the manufacturing and validation of optical components.

Must haves

  • 7+ years experience in software testing and test automation of optical transceiver products
  • Proficiency in Python for developing automated test cases
  • Experience with optical test instruments such as spectrum analyzers and power meters
  • In-depth technical knowledge in yield analysis and manufacturing processes
  • Understanding of Layer 1 and Layer 2 networking protocols
  • Practical experience in SPC, GR&R, and tester correlation
  • Proficiency with version control tools like Github or Bitbucket

Tools and skills

pythontest automationoptical test instrumentslayer 1 networkinglayer 2 networkingixiagitstatistical process controlgr&rmanufacturing test

Nice to have: c#, labview, visual basic, sql, nosql, shell scripting, wpf.

About the company

Well-funded startup backed by reputable venture firms but currently lacks the massive scale or brand recognition of top-tier global or established India-core companies.