Backed by Redpoint.
About the role
Provide expert technical support for 51.2T and future‑generation switch architectures, with a strong focus on 800G and 1.6T optical transceivers. Serve as the primary customer-facing technical lead, understanding customer requirements and delivering tailored system-level solutions.
What they're looking for
- Bachelor’s degree or higher in Electrical Engineering or a related technical field
- Strong understanding of optical transceivers, including architecture, configuration, and performance characteristics
- Extensive hands-on experience with DSP bring-up, transceiver configuration, and high-speed link debugging
- In-depth familiarity with AI networking switch architectures and Layer 1/Layer 2 configurations
- Experience working with 800G optical modules and 51.2T-class switches (experience with 1.6T modules or next-gen switches is a strong plus)
- Previous experience at a leading optical transceiver or networking systems company is highly preferred
More about this role
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 some of the hardest challenges in optics, systems, and scale. Every line of code, every design decision, every breakthrough you help deliver will shape the infrastructure of tomorrow.
If you're looking for mission, momentum, and the chance to make an outsized impact jump on the rocket ship. We’re just getting started.
Position Overview
We are seeking a highly skilled System Application Engineer (Optical) to support next‑generation AI networking platforms and high‑speed optical interconnects. In this role, you will work directly with customers deploying 800G and 1.6T optical...
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