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R&D VCSEL Designer

Job in San Jose, Santa Clara County, California, 95199, USA
Listing for: Lumentum Holdings Inc.
Full Time position
Listed on 2026-11-02
Job specializations:
  • Engineering
    Electronics Engineer, Electrical Engineering, Systems Engineer
Salary/Wage Range or Industry Benchmark: 112050 - 192500 USD Yearly USD 112050.00 192500.00 YEAR
Job Description & How to Apply Below
R&D VCSEL Designer We use cookies to make the safest and most effective website possible.# Opportunities## R&D VCSEL Designer Apply:
USA - CA - San Jose (Ridder):
Full time:
Posted Yesterday:

** It's fun to work in a company where people truly BELIEVE in what they're doing!
** We're committed to bringing passion and customer focus to the business.

If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us!  
** About Lumentum
** At Lumentum, we’re building the tech behind the world’s fastest networks and most advanced systems. Our optical and photonic solutions power everything from AI and cloud computing to data centers, telecom, and advanced manufacturing.

We’re a global team of innovators working where light meets technology, solving big challenges that keep the world connected and moving forward. If shaping the future of connectivity excites you, you’ll fit right in.  
** What You’ll Be Doing*
* * Design of new GaAs-based VCSEL devices and VCSEL technology platforms
* Apply knowledge and experience with epitaxial growth and wafer fabrication techniques develop the design (mask layout, EPI structure) and fabrication flow (etching, metallization, dielectric passivation, implantation, oxidation, wafer fusion, etc.)
* Device characterization including laser diode testing at wafer probe and chip-on-carrier for light-voltage-current (LIV), spectra, polarization stability, near-field and far-field beam parameters under CW, ms pulsed and ns pulsed operation.
* Data analysis and understanding of device physics to correlate the device characterization to design inputs (epi, fab, emitter design and die layout) and use this information along with modeling tools to improve device performance
* Coordinate with groups within Lumentum and at contract manufacturers to bring the new designs, wafer fabrication flows and device characterization methods into manufacturing and product release
* Generating key intellectual property (IP) from new ideas in design and manufacturing  
** What We’re Looking For
***
* Education:

** PhD degree in optoelectronics or other relevant major or Master’s degree with 3 years of experience is minimum requirement.  PhD with industry experience is preferred..
*
* Experience:

Core Requirements:*
* * PhD degree in optoelectronics or other relevant major or Master’s degree with 3 years of experience is minimum requirement.  PhD with industry experience is preferred.
* Experience with VCSEL design and wafer fabrication
* Knowledge of semiconductor device physics, process technology and equipment,
* Experience with software data analysis tools (such as Excel, JMP, Minitab), photomask layout, and data processing (Python, Matlab)
* Excellent ability to work in cross-functional teams as both a team leader and a contributor
* Strong verbal and written communication skills  
** Preferred Qualifications
** Optoelectronic device modeling including electrical, optical, thermal.
** Perks You’ll Love
*** Flexible time off
* Health and wellness benefits (physical and mental)
* Tuition reimbursement and career growth support
* A workplace built for you: free gym, games room, prayer room
* Subsidized meals, free coffee/tea
* Employee stock options and incentive plans
* A collaborative, innovative, and inclusive culture
** Join a Team That’s Shaping the Future
** At Lumentum, we’re more than just a workplace—we’re a launchpad for creativity and innovation. We’re committed to celebrating your unique talents and helping you grow. Our guiding principles—Innovate, Engage, Deliver, Excel, and Win—aren’t just words; they’re the heart of what we do.
** Let’s Build a Brighter Future Together!
**** We’re committed to building an inclusive workplace where everyone feels valued and…
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