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High Speed Analog Design Engineer (Boston and Mountain View)


Mountain View, california

Job Details



Full Job Description

High Speed Analog Design Engineer

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 like building the world's first optical computers, consider joining the team at Lightmatter!

In this role, you will be a key member of the analog team architecting the world's first photonic computers. This is fundamentally an interdisciplinary team, and outside-the-box thinking is the daily norm. You will need both deep expertise in mixed-signal and analog design and breadth across other engineering disciplines, such as photonics and digital electronics, semiconductor device physics, thermal/packaging, and machine learning. The successful candidate will demonstrate an eagerness to refresh and grow their competency in these areas.

*We are currently hiring for multiple levels for this role. Your level and compensation will be determined by your experience, education, and location.


    • 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 (TIA, TX Driver) 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 3+ 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 with testing and validating high-speed analog/mixed-signal circuits
    • Familiarity with SERDES architectures, and implementations
    • Solid understanding of CMOS device characteristics, noise, mismatch, linearity, and design trade-offs
    • Experience with Cadence Design Environment

Preferred Qualifications

    • Knowledge of 3D Electro-Magnetic (EM) simulation tools is a plus
    • Experience interfacing with silicon photonic Mach-Zehnder modulators is a plus
    • 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)

We offer competitive compensation. The base salary range for this role, inclusive of all US locations, is $130,000-$240,000. Your base salary will be determined based on location, experience, educational background, and market data.

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.

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