Hardware Verification Engineer — High-Speed EO Links (Hybrid)

Lightmatter; Boston (MA); Hybrid; USD 195,000 - 250,000; Full time

Benefits offered by this job

Retirement Savings Matching Program

Life Insurance (Basic, Voluntary & AD&

Generous Time Off

Paid Family Leave

Short Term & Long Term Disability

Training & Development

Flexible, hybrid workplace model

Equity grants

Job summary

Lightmatter is seeking a hands-on Hardware Verification engineer to lead verification and characterization of high-speed electro-optic links across 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.

Responsibilities include hands-on lab characterization, building system-level models, owning link budgets, and

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 56G/112G/224G+ serial links and SerDes equalization; signal integrity knowledge.
• Hands-on lab experience leading investigations that stalled others.
• Strong Python/MATLAB for automation.
• Proficiency with VNA, scopes, BERTs, TDRs; tools like ADS, HFSS, Cadence, COMSOL.
• Track record mentoring engineers.

Responsibilities

• Run hands-on lab characterization and debug of high-speed electrical/optical hardware.
• Build system-level electrical/optical/EO channel models and correlate 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 analog, package, PCB, and SerDes teams.
• Influence chip/package/system architecture tradeoffs based on bench findings.
• Mentor Senior/Staff engineers while staying hands-on in the lab.
• Build automation/tools to speed up characterization work.

Skills

Ownership of verification strategy

Serial links 56G/112G/224G+

Python/MATLAB automation

Lab investigations leadership

VNA, scopes, BERTs, TDRs proficiency

Mentoring engineers

Education

MS/PhD in EE, Photonics or Physics (≥8 years)

BS/MS (≥10 years)

Tools

ADS

HFSS

Cadence

COMSOL

VNA

Oscilloscopes

BERTs

TDRs

Job description

Lightmatter is seeking a hands-on Hardware Verification engineer to lead verification and characterization of high-speed electro-optic links across 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.

Responsibilities include hands-on lab characterization, building system-level models, owning link budgets, and