Skip to main content

Lumilens

Systems Applications Engineer - Optical

San JosefulltimemidAdded 1 month ago

About this role

Lumilens seeks a Systems Applications Engineer to support next-generation AI networking platforms, working with high-speed optical transceivers (800G/1.6T) on advanced switches. You'll be the technical lead for customer deployments, debugging complex optical-electrical integration challenges while collaborating across product and ecosystem teams.

What you'll do

  • Provide technical support for 51.2T and next-gen switch architectures with focus on 800G/1.6T optical transceivers
  • Lead customer-facing technical engagements including demos, evaluations, and system bring-up with configuration and performance tuning
  • Debug interoperability issues across AI switches, DSPs, and high-speed optical modules
  • Collaborate cross-functionally with optical, ASIC, hardware, software, and thermal engineering teams
  • Partner with foundries and ecosystem partners on technical alignment and integration
  • Contribute to industry standards bodies and stay current with AI networking and optical interconnect trends

What they're looking for

  • Optical transceiver architecture and configuration
  • DSP bring-up and high-speed link debugging
  • AI networking switch architecture and Layer 1/2 configuration
  • ASIC architecture and system integration
  • Co-Packaged Optics (CPO) and Near-Package Optics (NPO) experience
  • Semiconductor development and foundry interactions
  • Cross-functional and global team collaboration
  • Technical communication and customer engagement
Apply with Autofill

Opens the application — the Jobs AI extension fills it for you. Set up autofill

Opens the official application on the employer’s site. No login required.

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 hands-on experience debugging high-speed optical links at 800G or above. What were the most complex interoperability issues you encountered, and how did you resolve them?
  • Describe your experience with DSP bring-up and transceiver configuration. How have you approached performance tuning and link validation in production switch environments?
Unlock all 7 questions free — and practice them live →