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Electro-Optic Link Hardware Engineer

Lightmatter

Skills

Required

  • Photonics
  • Python / MATLAB
  • automation frameworks
  • Silicon photonics/EO systems
  • COM/IBIS-AMI modeling
  • OIF
  • IEEE

Preferred

  • electrical/optical hardware
  • electrical/optical/EO channel models
  • 56G / 112G / 224G+
  • serial links
  • SerDes
  • equalization
  • CTLE / FFE / DFE

Join our team as an Electro-Optic Link Hardware Engineer, where you will lead the verification and characterization of high-speed electro-optic links across multiple silicon and system programs. You will work hands-on in the lab, owning modeling methodology, measurement standards, and serving as the escalation point for the toughest signal integrity and link-performance problems. You will also mentor senior and staff engineers while building automation/tools to speed up characterization work.

We're looking for a hands-on Photonics engineer to lead verification and characterization of high-speed electro-optic links across multiple silicon and system programs

You'll work at the bench alongside the EOE team owning modeling methodology, measurement standards, and serving as the escalation point for the toughest signal integrity and link-performance problems in the org

About Lightmatter

  • If you're passionate about tackling complex challenges, making an impact, and being an expert in your craft, join our team of brilliant scientists, engineers, and accomplished industry leaders
  • Track record mentoring engineers

Responsibilities

  • Run hands-on lab characterization and debug of high-speed electrical/optical hardware, including novel failure modes.
  • Build system-level electrical/optical/EO channel models and correlate them against your own bench measurements.
  • Own link budget and verification methodology while staying hands-on with the validating measurements.
  • Deep expertise in 56G/112G/224G+ serial links, SerDes equalization (CTLE/FFE/DFE), and signal integrity (S-parameters, crosstalk, link budgets)
  • Proficiency with VNA, scopes, BERTs, TDRs, and tools like ADS, HFSS, Cadence, COMSOL

Requirements

  • MS/PhD in EE, Photonics, Physics (8+ yrs) or BS/MS (10+ yrs)
  • Ownership of verification strategy for a full silicon/system program
  • Strong Python/MATLAB for team-used automation frameworks
  • Silicon photonics/EO systems at the architecture level
  • Package/PCB/channel co-design ownership
  • COM/IBIS-AMI modeling, patents/standards contributions (OIF, IEEE 802.3)

Preferred

  • Hands-on lab experience leading investigations that stalled others

Pay

USD 155,000 - 190,000