Electro-Optic Link Hardware Engineer

Lightmatter

Mountain View, CA, United States Posted October 15, 2026

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On-site Full-time Senior
Salary Range

$155,000 - $190,000

Job Description

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.

  • 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.
  • 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
  • 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
  • Deep expertise in 56G/112G/224G+ serial links, SerDes equalization (CTLE/FFE/DFE), and signal integrity (S-parameters, crosstalk, link budgets)
  • Hands-on lab experience leading investigations that stalled others
  • 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
  • Proficiency with VNA, scopes, BERTs, TDRs, and tools like ADS, HFSS, Cadence, COMSOL
  • Track record mentoring engineers
  • 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)
Required Skills
escalation management Python MATLAB mentoring mentoring engineers intellectual property
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