DSP Engineer

San Jose💼 Full-time🗓 2026-08-31 → 2026-09-26

Core

Develop advanced DSP algorithms and hardware designs for ultra-high-speed serial data measurements supporting AI infrastructure.

Role type

Senior IC DSP Engineer (high-speed measurement systems)

Builds

Ultra-high-speed optical and electrical signaling measurement tools and platforms

Domain

Photonics / High-speed SerDes / AI Infrastructure

Deliverable

production ML models | product features | infrastructure

Required skills

Digital signal processing, hardware design, signal integrity analysis, jitter analysis, high-bandwidth instrumentation, algorithm development, tool design

Preferred skills

TECQ/TDECQ measurements, equalization, waveform processing, receiver modeling, optical communications, measurement automation

Technologies

IEEE 802.3 standards, high-speed SerDes, photonics, custom instrumentation

Responsibilities

Develop and refine measurement techniques for ultra-high-speed optical/electrical systems; Improve TECQ/TDECQ measurement accuracy; Drive hardware improvements to reduce timebase jitter; Research and develop tools for serial data applications; Support Functional Receiver measurement work

Seniority

Senior, hands-on IC

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About Lumilens

At Lumilens we are building the critical photonics infrastructure that powers tomorrow’s AI supercomputing. From chip-to-chip optical interconnects to scalable photonic engines, Lumilens is unlocking a new era of computing faster, cooler, and massively more efficient.We’re a well-funded startup backed by Mayfield and led by veterans who’ve built and scaled some of the most transformative technologies in the industry. This isn’t incremental innovation, it’s a ground-floor opportunity to rethink the optical layer from the silicon up. You’ll work alongside a team of world-class engineers solving