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greenhouse

Mixed-Signal Validation Engineer

Lightmatter
CAN
Senior · 7+ years experience
Discovered 1 months ago
matlabpython

Full Job Posting

Responsibilities

  • Own mixed-signal architecture validation for Lightmatter’s Passage product line. Work closely with the rest of the architecture team, chip design team, and the software team.
  • Influence the mixed-signal architecture from initial concept through high-volume production.
  • Validate and specify system-level mixed-signal designs, integrating complex AMS and photonic circuits. These circuits include high-speed drivers and receivers, SerDes, ADCs/DACs, digital controllers, and photonic modulators and detectors.
  • Work closely with test and validation engineers to validate hardware against simulation predictions.
  • Collaborate with DV team to translate pre-silicon verification into post-silicon validation
  • Support architectural-level firmware validation
  • Author, review, and validate architectural specifications and test methodologies.
  • Identify improvements and potential pitfalls (including mitigation strategies) regarding the execution of the proposed architectures.

Qualifications

  • MS in Electrical Engineering or a related field with 7+ years of relevant experience.
  • In-depth knowledge of design flows for AMS electronics, preferably on photonic communication channels.
  • Proven track record of delivering successful high-volume silicon to market, and a thorough understanding of the silicon product development flow.
  • In-depth knowledge of mixed-signal circuit design in a high-speed analog/photonic link, including device bring-up, control, and digital signal processing.
  • Hands-on experience with lab instruments and test setups.
  • Demonstrated strong problem-solving skills, specifically for problems that do not have obvious solutions.
  • Ability and desire to collaborate in a cross-disciplinary team.
  • Preferred Qualifications
  • Understanding of SerDes PCS layer and equalization, along with forward error-correction schemes.
  • Power user of development tools, including AI agents, CAD tools, SPICE simulators, IBIS-AMI simulators, and programming languages (e.g., MATLAB or Python).
  • Experience in optical link bring-up and debug.
  • We offer competitive compensation. The base salary range for this role determined based on location, experience, educational background, and market data.

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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