Hybrid AMS Architect for Photonics & High-Speed Analog ICs

Lightmatter, Inc.; Boston (MA); Hybrid; USD 149,000 - 217,000; Full time

Benefits offered by this job

Retirement matching

Life Insurance

Time Off

Paid Family Leave

Disability Insurance

Training & Development

Hybrid workplace

Equity grants

Job summary

Lightmatter is hiring an Analog and Mixed-Signal (AMS) Architect to partner with internal engineering teams to deliver groundbreaking products to market. You will develop innovative analog architecture solutions and create detailed technical documents for the engineering group.

You will collaborate across digital, analog, photonics, and software teams, presenting at technical conferences and helping shape Lightmatter's high-performance computing roadmap.

Qualifications

• PhD in electrical engineering, physics, applied physics, or a discipline related to analog design.
• Experience in designing and testing optical front-end receivers and transmitters (TIAs, drivers), CTLE, DFE, ADC, DAC, oscillators in advanced CMOS.
• Power user of Cadence Virtuoso, Cadence Spectre, Verilog-A, IBIS-AMI simulators.
• Ability and desire to collaborate in a cross-disciplinary team.
• Excellent written and communication skills.
• Demonstrated strong problem solving skills specifically pertaining to problems that do not have obvious solutions.

Responsibilities

• Propose innovative solutions high-speed (50G and beyond) AMS circuit blocks custom to optical transceivers, such as drivers, TIAs, equalizers, ADC/DACs, PLLs, CDRs.
• Work closely with the analog engineering design team to performance, power, and area estimates of the analog devices within Passage.
• Actively collaborate with the photonics engineering team to provide a high-bandwidth photonic interconnect solution.
• Author, review, and validate architectural specifications.

Skills

Cross-disciplinary collaboration

Strong written & verbal communication

Analytical problem solving

Education

PhD in electrical engineering or related field

Tools

Cadence Virtuoso

Cadence Spectre

Verilog-A

IBIS-AMI simulators

Job description

Lightmatter is leading the revolution in AI data center infrastructure, enabling the next giant leaps in human progress. The company invented the world’s first 3D-stacked photonics engine, Passage™, capable of connecting thousands to millions of processors at the speed of light in extreme-scale data centers for the most advanced AI and HPC workloads.

Lightmatter raised $400 million in its Series D round, reaching a valuation of $4.4 billion. We will continue to accelerate the development of data center photonics and grow every department at Lightmatter!

If you're passionate about tackling complex challenges, making an impact, and being an expert in your craft, join our team of brilliant scientists, engineers, and accomplished industry leaders.

Lightmatter is (re)inventing the future of computing with light!

Lightmatter builds chips that enable extreme-scale AI computing clusters. If you're a collaborative engineer or scientist who has a passion for innovation, solving challenging technical problems and doing impactful work like building the world's first optically accelerated computers, consider joining the team at Lightmatter!

We are hiring an Analog and Mixed-Signal (AMS) Architect. The selected candidate will partner with internal engineering teams at Lightmatter to deliver groundbreaking products to the market. In this role, you will contribute to the design and development of innovative analog architecture solutions to deliver high-volume products for our customers. As an architect, you will provide detailed technical documents that describe what needs to be built to the engineering team. You will engage with our cross-disciplinary engineering teams to model and analyze solutions. The role also requires creativity, analytical skills, and clear communication skills. You will represent the company at technical conferences as an example of our technical leadership.

You will report directly to the Sr. Director of Architecture, but you will also work closely with our digital, analog, photonic, and software teams. Join a tight-knit team where each individual’s contributions directly influence the success of the company and product. You'll have the opportunity to build a new kind of computer from the ground up and to solve groundbreaking challenges along the way. Work with people who love to build and who thrive in technically diverse environments where great ideas are prioritized.

Key Responsibilities:

• Propose innovative solutions high-speed (50G and beyond) AMS circuit blocks custom to optical transceivers, such as drivers, TIAs, equalizers, ADC/DACs, PLLs, CDRs.
• Work closely with the analog engineering design team to performance, power, and area estimates of the analog devices within Passage.
• Actively collaborate with the photonics engineering team to provide a high-bandwidth photonic interconnect solution.
• Author, review, and validate architectural specifications.

Qualifications:

• PhD in electrical engineering, physics, applied physics, or a discipline related to analog design.
• Experience in designing and testing optical front-end receivers and transmitters (TIAs, drivers), CTLE, DFE, ADC, DAC, oscillators, etc. in advanced CMOS.
• Power user of simulation tools Cadence Virtuoso, Cadence Spectre, Verilog-A, IBIS-AMI simulators.
• Ability and desire to collaborate in a cross-disciplinary team.
• Excellent written and communication skills.
• Demonstrated strong problem solving skills specifically pertaining to problems that do not have obvious solutions.

Preferred Qualifications:

• Understanding of signal processing (i.e., equalization, digital signal processing, and coding) and signal integrity in optical communication.
• Experience in silicon photonic devices (Mach-Zehnder and microring modulators, thermally tuned components)
• A culture champion for Lightmatter, aligns with the company’s light-hearted culture.
• Willing and able to learn quickly. Self-starter with a “no task is too big or small” attitude.
• Innovative and flexible; realizes that a one-size-fits-all approach will not always solve the problem at hand.
• Data-driven and analytical; translates numbers into actionable strategies.
• Process-oriented and programmatic: builds structure through processes that can be relied upon across the organization.

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.

$149,000 - $216,500 USD

• 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
• 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.

Create a Job Alert

Interested in building your career at Lightmatter? Get future opportunities sent straight to your email.

Accepted file types: pdf, doc, docx, txt, rtf

Enter manually

Accepted file types: pdf, doc, docx, txt, rtf

Education

School Select...

Degree * Select...

Select...

LinkedIn Profile

Website *

Are you available to work at one of our office locations at least three times per week? * Select...

Lightmatter follows a hybrid work model

Do you currently require, or will you require in the future, any immigration-related support, visa transfer or visa sponsorship (e.g., J-1, F-1 CPT, STEM OPT, H-1B, E-3, O-1, TN, visa transfer) to work at Lightmatter? * Select...

If offered employment at Lightmatter, would you be legally eligible to begin work immediately? * Select...

Select the location you can commute or relocate to *

Mountain View, CA

Toronto, Canada

Remote

U.S. Standard Demographic Questions

We invite applicants to share their demographic background. If you choose to complete this survey, your responses may be used to identify areas of improvement in our hiring process.

How would you describe your gender identity? Select...

How would you describe your racial/ethnic background? Select...

How would you describe your sexual orientation? Select...

Do you identify as transgender? Select...

Do you have a disability or chronic condition (physical, visual, auditory, cognitive, mental, emotional, or other) that substantially limits one or more of your major life activities, including mobility, communication (seeing, hearing, speaking), and learning? Select...

Are you a veteran or active member of the United States Armed Forces? Select...

Voluntary Self-Identification

For government reporting purposes, we ask candidates to respond to the below self-identification survey.Completion of the form is entirely voluntary. Whatever your decision, it will not be considered in the hiringprocess or thereafter. Any information that you do provide will be recorded and maintained in aconfidential file.

As set forth in Lightmatter’s Equal Employment Opportunity policy,we do not discriminate on the basis of any protected group status under any applicable law.

If you believe you belong to any of the categories of protected veterans listed below, please indicate by making the appropriate selection.As a government contractor subject to the Vietnam Era Veterans Readjustment Assistance Act (VEVRAA), we request this information in order to measurethe effectiveness of the outreach and positive recruitment efforts we undertake pursuant to VEVRAA. Classification of protected categoriesis as follows:

A "disabled veteran" is one of the following: a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or a person who was discharged or released from active duty because of a service-connected disability.

A "recently separated veteran" means any veteran during the three-year period beginning on the date of such veteran's discharge or release from active duty in the U.S. military, ground, naval, or air service.

An "active duty wartime or campaign badge veteran" means a veteran who served on active duty in the U.S. military, ground, naval or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense.

An "Armed forces service medal veteran" means a veteran who, while serving on active duty in the U.S. military, ground, naval or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order 12985.