Lightmatter builds chips for artificial intelligence computing. Our architecture leverages the unique properties of light to enable fast and efficient inference and training engines. If you’re a collaborative engineer or scientist who has a passion for innovation, solving challenging technical problems, and doing impactful work...work like building the world’s first optical computers, consider joining the team at Lightmatter!

Responsibilities

• Support micro-architecture development with chip architects by conducting feasibility studies
• Collaborate with members of our design engineering teams (system, digital, analog, photonics) to define electrical requirements
• Design analog/mixed-signal blocks with a focus on transceivers and broadband circuits interfacing with silicon photonics elements
• Document design simulations and verifications towards formal design reviews
• Drive block-level floorplan, mask design views, and their reviews
• Run post-layout and mixed-signal top-level simulations to validate integration
• Define production and bench-level test plans
• Validate performances of the circuits in the lab

• MS with 8+ years of industry experience, OR Ph.D. with 5+ years of industry experience with a focus on optical or wireline transceiver design
• Experience designing Analog-Front-End blocks such as trans-impedance amplifiers (TIA) and Tx Driver
• Experience with Tx/Rx equalization techniques and circuits
• Experience interfacing with silicon photonic Mach-Zehnder modulators is a plus
• Familiarity with SERDES architectures, and implementations
• Solid understanding of CMOS device characteristics, noise, mismatch, linearity, and design trade-offs
• Experience with Cadence Design Environment
• Knowledge of 3D Electro-Magnetic (EM) simulation tools is a plus
• Experience with testing and validating high-speed analog/mixed-signal circuits
• Successful track record in delivering analog/mixed-signal IPs with 1st-time success while meeting tight schedules
• Ability to work collaboratively with people across multiple functional areas

• Comprehensive Health Care Plan (Medical, Dental & Vision)
• 401k matching
• Life Insurance (Basic, Voluntary & AD&D)
• Generous Time Off (Vacation, Sick & Public Holidays)
• Paid Family Leave
• Short Term & Long Term Disability
• Training & Development
• Flexible, hybrid workplace model
• Stock Option Plan
• Commuter Benefit (pre-tax)

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.