Senior Photonics Link Verification Engineer

Lightmatter

Mountain View (CA)

Hybrid

USD 155,000 - 190,000

Full time

19 hours ago
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Benefits offered by this job

Health Care Plan
Retirement Savings Matching
Equity grants
Hybrid workplace
Training & Development
Commuter Benefits

Job summary

Lightmatter is seeking a hands-on Photonics engineer to lead verification and characterization of high-speed electro-optic links across silicon programs. You will own measurement standards, build models, and mentor engineers while solving tough signal integrity challenges in a lab setting.

Based in Mountain View, CA, this role offers a competitive base salary with equity, and a flexible, hybrid work model in a fast-growing company redefining AI data center photonics.

Qualifications

  • MS/PhD in EE, Photonics, Physics with 8+ years, or BS/MS with 10+ years.
  • Ownership of verification strategy for a full silicon/system program.
  • Deep expertise in high-speed serial links and signal integrity.

Responsibilities

  • Run hands-on lab characterization and debugging of high-speed hardware.
  • Build models and correlate them with bench measurements.
  • Own link budget and verification methodology while validating measurements.
  • Characterize eye diagrams, BER, jitter, equalization, and channel impairments.
  • Support silicon bring-up and root-cause debug with multiple teams.
  • Influence architecture tradeoffs based on bench findings.
  • Mentor engineers while remaining active in lab work.
  • Build automation/tools to speed up characterization.

Skills

Serial links 56G/112G/224G+
SerDes equalization
Signal integrity
Python
MATLAB
Mentoring

Education

MS/PhD in EE/Photonics
BS/MS with 10+ years experience

Tools

ADS
HFSS
Cadence
COMSOL
VNA
TDRs

Job description

Lightmatter is seeking a hands-on Photonics engineer to lead verification and characterization of high-speed electro-optic links across silicon programs. You will own measurement standards, build models, and mentor engineers while solving tough signal integrity challenges in a lab setting.

Based in Mountain View, CA, this role offers a competitive base salary with equity, and a flexible, hybrid work model in a fast-growing company redefining AI data center photonics.

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