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Optical Systems Engineer

Etched · San Jose

Infrastructureonsitesenior
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At a glance

Highlights

  • Own optical interconnect architecture for next-generation AI accelerator systems.
  • Build hardware for frontier intelligence with best-in-class throughput and latency.
  • Scale prototypes from definition to validation and volume production.

What they offer

  • Medical, dental, and vision packages with generous premium coverage
  • $500 per month credit for waiving medical benefits
  • Housing subsidy of $2,500 per month for those living within walking distance
  • Relocation support for those moving to San Jose (Santana Row)
  • Wellness benefits covering fitness, mental health, and more
  • Daily lunch and dinner in office
  • Unlimited compute budget subject to ROI justification

Ideal candidate

Experienced photonics systems builder with 5-10 years taking high-density interconnects to production. Hands-on debugger who thrives co-designing across teams and is passionate about frontier AI.

Requirements

  • 5-10 years of experience in optical interconnect, transceiver, or photonic system design for high-density compute systems
  • Expertise across advanced optical interconnect architectures including CPO, NPO, OCI, LPO and emerging form factors
  • Strong fundamentals in optical link engineering including link-budget, IL/RL, OSNR, eye diagrams, jitter, BER and FEC
  • Working knowledge of laser sources, modulators, TIAs, and DSPs/retimers
  • Knowledge of high-speed host interfaces such as 100G/200G-per-lane PAM4 and pluggables OSFP, QSFP-DD
  • Familiarity with photonic-electronic co-design, fiber-attach, optical interposers and 2.5D/3D integration
  • Proven track record bringing up optical links and PIC-based subsystems and debugging with foundries and vendors
  • Understanding of high-power liquid-cooled AI servers and cluster-scale optical fabrics
remote policy
fully in-person

Lab profile

About Etched

Building specialized AI chips and systems for frontier inference with best-in-class throughput and latency.

What they build

  • Sohu AI inference chip
  • AI racks and hardware systems
  • Inference software stack

Known for

  • Full-stack co-design of chips, racks, software and manufacturing
  • Best-in-class throughput and latency for prefill and decode
  • Inference-optimized architecture

Key facts

  • Backed by hundreds of millions from top-tier investors
More about Etched →
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