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Lumilens

Component Process Engineer

San JosefulltimemidAdded 2 days ago

About this role

Lumilens seeks a Component Process Engineer to lead FR4/PCB substrate development and supplier qualification for photonic interconnect systems. This role bridges hardware design, manufacturing, and global suppliers, focusing on design-for-manufacturability, process development, and quality assurance for high-speed optical applications.

What you'll do

  • Identify, develop, and qualify FR4/PCB substrate suppliers globally
  • Lead DFM/DFT/DFR analysis and risk mitigation for PCB substrates with suppliers
  • Manage FR4/PCB quality control, failure analysis, and reliability testing
  • Engage with packaging teams during process development (SMT, die attach, wire bonding, active alignment, testing)
  • Provide design guidance to substrate/PCB teams based on supplier manufacturability capabilities
  • Support process development from initial technology phase through supplier qualification

What they're looking for

  • FR4/PCB substrate development and manufacturing
  • mSAP and Any-Layer HDI process expertise
  • DFM/DFT/DFR and risk analysis
  • PCB layout tools (Cadence) and mechanical design (Solidworks)
  • Statistical tools and methods (JMP, SPC, FMEA, Six Sigma)
  • Optical transceiver manufacturing processes
  • Quality control and failure analysis
  • English communication with international stakeholders

Benefits

  • Competitive salary and meaningful equity
  • Comprehensive health, dental, and vision coverage
  • Ground-floor opportunity at well-funded photonics startup
  • Work with world-class engineering team
  • Impact on next-generation AI supercomputing infrastructure
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Lumilens

Lumilens builds photonic chiplets and high-speed optical components for AI supercomputing and next-generation data center infrastructure. The company is hiring digital RTL designers, verification engineers, optical test engineers, and systems applications engineers to develop and validate its optical and electrical integration technologies.

View all jobs at Lumilens

Likely interview questions

  • Walk us through your experience with mSAP and Any-Layer HDI processes—what are the key manufacturing challenges you've encountered?
  • Describe a time you led supplier qualification for a complex substrate technology. How did you approach risk mitigation?
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