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greenhouse

Electro-Optic Link Hardware Engineer

Lightmatter
Boston, USA
Mid
Onsite
Discovered Yesterday
matlabpython

Full Job Posting

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
  • 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 without stepping back from lab work
  • Build automation/tools to speed up characterization work

Qualifications:

  • MS/PhD in EE, Photonics, Physics (8+ yrs) or BS/MS (10+ yrs)
  • Ownership of verification strategy for a full silicon/system program
  • 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
  • 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

Preferred Qualifications:

  • 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)
  • We offer competitive compensation. The base salary range for this role determined based on location, experience, educational background, and market data.
  • Salary Range: total compensation goes beyond base salary, it also includes a new hire equity grant, annual performance-based equity, and other rewards that recognize your impact and contribution.$150,000—$207,000 USD

Benefits

  • Comprehensive Health Care Plan (Medical, Dental & Vision)
  • Retirement Savings Matching Program
  • Life Insurance (Basic, Voluntary & AD&D)
  • Generous Time Off (Vacation, Sick & Public Holidays)
  • Paid Family Leave
  • Short Term & Long Term Disability
  • Training & Development
  • Commuter Benefits
  • Flexible, hybrid workplace model
  • Equity grants (applicable to full-time employees)
  • Benefits eligibility may vary depending on your employment status and location. Lightmatter recruits, employs, trains, compensates, and promotes regardless of race, religion, color, national origin, sex, disability, age, veteran status, and other protected status as required by applicable law.
  • Export Control
  • Candidates should have capacity to comply with the federally mandated requirements of U.S. export control laws.

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