Principal Optical Engineer – Light Sources

Marvell Technology

Principal Optical Engineer responsible for developing Celestial’s external light source technology at Marvell. Collaborating across teams to support production-ready solutions from concept to volume manufacturing.

Posted 5/20/2026full-timeSanta Clara • California • 🇺🇸 United StatesLead💰 $158,600 - $237,600 per yearWebsite

Tech Stack

Tools & technologies

Assembly

About the role

Key responsibilities & impact

Be the key driver of the end-to-end development of Celestial’s external light source technology, from concept to volume manufacturing
Responsibilities would include full life-cycle support of the light sources, from initial design selection/development, procurement and full characterization to reliability qualification and production release
Act as the main point of contact with various vendors to enable the completion of all the above milestones, and also resolve any performance/yield/supply issues
Work cross-functionally with systems, packaging, firmware, manufacturing, quality, and supply chain teams to deliver production-ready solutions
Contribute to the development of other external optical components and fiber sub-assemblies used in Celestial products

Requirements

What you’ll need

Bachelor’s degree in Computer Science, Electrical Engineering or related fields and 10-15 years of related professional experience OR Master’s degree and/or PhD in Computer Science, Electrical Engineering or related fields with 5-10 years of experience
Strong experience working with semiconductor DFB laser diodes
A clear grasp of laser physics and fundamentals
Strong experience with laser assembly and packaging techniques for data-center environments
Prior experience with vendor engagements for component procurement
Experience running reliability assessment and qualification programs for optical components in general, and lasers in particular
Experience designing and working with fiber-optic and integrated-optics components and assemblies
Knowledge of standard manufacturing processes for integrating external components into Silicon photonics/integrated-optics products
Experience with setting up test stations for laser characterization and familiarity with standard test equipment (OSAs, reflectometers, PWMs etc)
Experience with free-space design software (Zemax, Code-V)
Ability to collect and analyze large datasets (i.e. experience with JMP, DataConductor or similar data analysis tools)
Familiarity with Silicon Photonics systems is a plus.

Benefits

Comp & perks

employee stock purchase plan with a 2-year look back
family support programs to help balance work and home life
robust mental health resources to prioritize emotional well-being
recognition and service awards to celebrate contributions and milestones

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Hard Skills & Tools

semiconductor DFB laser diodeslaser physicslaser assembly techniquespackaging techniquesreliability assessmentqualification programsfiber-optic componentsintegrated-optics componentstest station setupdata analysis