greenhouse
Mixed-Signal Validation Engineer
Lightmatter
CAN
Senior · 7+ years experience
Discovered 1 weeks ago
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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).
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