Lightmatter Logo

Lightmatter

Electro-Optic Systems Architect

Posted 15 Days Ago
Be an Early Applicant
In-Office
Toronto, ON, CAN
Senior level
In-Office
Toronto, ON, CAN
Senior level
Develop and validate electro-optic electrical-optical-electrical links for Passage™. Model systems with photonics/analog simulators, co-design analog and photonic devices, run RF/mm-wave experiments, validate models, and author architectural specifications.
The summary above was generated by AI

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, consider joining the team at Lightmatter!

We are hiring an Electro-Optic Systems Architect. The selected candidate will partner with the internal engineering team to deliver groundbreaking products to the market. In this role, you will be responsible for ensuring that Passage’s electrical-optical-electrical links are performant and meet customer requirements. You will engage with our cross-disciplinary engineering teams to model and analyze solutions. You may also test and measure prototypes to validate the models. 

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.

Responsibilities
  • Electro-optic system modeling using Cadence photonics-analog simulators (Verilog-A, Spectre, Virtuoso), VPI Photonics, and Keysight ADS
  • Co-design the analog and photonic devices with the engineering design teams based on the end-to-end simulation results.
  • Validate the models by designing high-speed RF experiments, conducting proof-of-concept experiments, and analyzing existing data.
  • Author, review, and validate architectural specifications.

This is not a complete listing of the responsibilities. It’s a representation of the things you will be doing. 

Qualifications
  • PhD in electrical engineering, physics, applied physics, or a discipline related to photonics.
  • Proficient in Cadence photonics/analog simulators (Virtuoso, Spectre, Verilog-A), Ansys HFSS, Keysight ADS.
  • Highly proficient in coding simulations in Python or Matlab.
  • Highly proficient in RF/mm-wave analog circuit design.
  • Experience with corner analysis and Monte Carlo analysis.
  • Ability and desire to collaborate in a cross-disciplinary team.
  • Demonstrated strong problem solving skills specifically pertaining to problems that do not have obvious solutions.
Preferred Qualifications
  • Experience with silicon photonic integrated circuit design and test experience.
  • Knowledge of signal processing and signal integrity in optical communications.
  • Knowledge of SERDES and mixed signal interfaces.
  • Excellent written and verbal communication skills.

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.
$11,800$171,000 CAD
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. 

Lightmatter Toronto, Ontario, CAN Office

18 E King Street, Toronto, Canada

Similar Jobs

An Hour Ago
Remote or Hybrid
Toronto, ON, CAN
Senior level
Senior level
eCommerce • Fashion • Retail • Sales • Wearables • Design
Lead regional retail training and customer experience initiatives, deliver and implement sales, service, and clienteling programs, monitor KPIs, coach store teams and managers, support onboarding and digital tool adoption (Coach Journey, Client Compass), and drive consistent brand service standards across the market.
Top Skills: Client CompassCoach JourneyExcelMS OfficePowerPointWord
3 Hours Ago
In-Office or Remote
CA
Mid level
Mid level
Blockchain • eCommerce • Fintech • Payments • Software • Financial Services • Cryptocurrency
Build and operate ingestion, reconciliation, and reporting systems that reconcile card-network and partner settlement files against internal transactions. Deliver end-to-end features for traceability, accounting journals, tax and regulatory reporting, and compliance tooling while ensuring reliability, scalability, and data privacy.
Top Skills: Ai ToolsAirflowAWSBigQueryCi/CdDelta LakeGoHadoopIso-8583JavaKafkaKubernetesObservabilityPysparkPythonSnowflakeSparkSQLTemporalTerraform
3 Hours Ago
In-Office or Remote
CA
Senior level
Senior level
Blockchain • eCommerce • Fintech • Payments • Software • Financial Services • Cryptocurrency
Lead development and implementation of AI legal and compliance frameworks. Conduct cross-functional AI reviews, maintain governance docs (model cards, impact assessments), partner with engineering on transparency and fairness requirements, build incident response and monitoring processes, and scale AI legal review workflows.
Top Skills: Ai/MlAlgorithmic Impact AssessmentGenerative AiLlmsModel CardsModel Monitoring

What you need to know about the Toronto Tech Scene

Although home to some of the biggest names in tech, including Google, Microsoft and Amazon, Toronto has established itself as one of the largest startup ecosystems in the world. And with over 2,000 startups — more than 30 percent of the country's total startups — Toronto continues to attract new businesses. Be it helping entrepreneurs manage their finances, simplifying business operations by automating payroll or assisting pharmaceutical companies in launching new drugs, the city's tech scene is just getting started.

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account