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Added 1 hour ago
TI
Electrical engineer
TowBrite Inc.
Vars, ON
- $55.29 to $57.29 CAD / hour
- Full-time
- On-site
Conduct feasibility, design operation and performance research of electrical generation and distribution networks
Added 1 hour ago
AG
Ingénieur électrique - régulateur de vitesse / Electrical Engineer - Speed governors
Alstom Grid
Brossard, QC
- Full-time
The employee will be responsible for the design and coordination of electrical systems for hydro speed governor.
Added 2 hours ago
GI
Embedded Software Engineer
Garmin International, Inc.
Cochrane, AB
- Full-time
Biosensor Platform – Optical Team: This team is responsible for the optical sensor driver development and integrations among Garmin wearable products. You will work closely with hardware…
Added 2 hours ago
GI
Algorithm Software Engineer
Garmin International, Inc.
Cochrane, AB
- Full-time
Research and develop new algorithms and methods to leverage next generation hardware.
Added 3 hours ago
HT
Designer, Development (Service)
Husky Technologies
Bolton, ON
- Full-time
Regularly provide feedback to product development teams: present project updates at service issue review meetings, attend design reviews to identify risks, submit continuous improvement…
Added 3 hours ago
HT
Applications Engineer
Husky Technologies
Bolton, ON
- Full-time
Husky TechnologiesTM offers a wealth of opportunity for personal growth and development. Most importantly, Husky Technologies TM offers an opportunity to work with – and be challenged by –…
Added 4 hours ago
TD
Software engineer
Tao Digital ULC
Toronto, ON
- From $57 CAD / hour
- Full-time
- Hybrid
Research technical information to design, develop and test computer-based systems
Added 4 hours ago
S
Software Engineer, Agent (Spanish speaking)
Sierra
Toronto, ON
- $180,000 to $390,000 USD / year
- Full-time
…core platform. You'll surface unmet needs, prototype new tools and features, and collaborate with research, product, and platform to shape the future of AI agent development and Sierra's…
Added 5 hours ago
CI
Analyst Intern (Nuclear)
Calian in Space & Technology
Ottawa, ON
- Internship
Support the development of high-quality technical reports and documents
Added 7 hours ago
CI
Sr. Professional Engineer
Calian in Space & Technology
Ottawa, ON
- Full-time
Science and technology (e.g. research and development, prototyping, product development) services; and
Added 8 hours ago
CC
Senior Salesforce Engineer
Canadian Cancer Society
Toronto, ON · Ottawa, ON · Montreal, QC · Quebec, QC · Prince George, BC · Vancouver, BC · Kelowna, BC · Halifax, NS · Calgary, AB
- Full-time
We are seeking a hands-on Salesforce Platform and AI Engineer to design, build, and scale secure, data-driven solutions that advance CCS’s mission. This role combines Salesforce…
Added 8 hours ago
KG
Control systems engineer
Kb1 Group Inc
Edmonton, AB · Fort McMurray, AB
- $45 to $50 CAD / hour
- Full-time
- On-site
Conduct feasibility, design operation and performance research of electrical generation and distribution networks
Added 9 hours ago
HT
Designer, Development (Service)
Husky Technologies
Bolton, ON
- Full-time
Regularly provide feedback to product development teams: present project updates at service issue review meetings, attend design reviews to identify risks, submit continuous improvement…
Added 9 hours ago
HT
Applications Engineer
Husky Technologies
Bolton, ON
- Full-time
Husky TechnologiesTM offers a wealth of opportunity for personal growth and development. Most importantly, Husky Technologies TM offers an opportunity to work with – and be challenged by –…
Added 10 hours ago
ES
Senior Product Manager | Applied AI
EPAM Systems
Canada
- Full-time
…of AI as a product manager - using it across the lifecycle and shaping AI-powered features - not the ability to build, train or tune machine-learning models as an ML engineer or data…
Added 15 hours ago
HT
Applications Engineer
Husky Technologies
Bolton, ON
- Full-time
Husky TechnologiesTM offers a wealth of opportunity for personal growth and development. Most importantly, Husky Technologies TM offers an opportunity to work with – and be challenged by –…
Added 15 hours ago
HT
Designer, Development (Service)
Husky Technologies
Bolton, ON
- Full-time
Regularly provide feedback to product development teams: present project updates at service issue review meetings, attend design reviews to identify risks, submit continuous improvement…
Added 17 hours ago
MC
FPGA Design & Validation Engineer – 4G 5G Radio (35952)
Myticas Consulting
Ottawa, ON
- Contract
We are seeking an FPGA Design Engineer to support the design, development, verification and validation of 4G/5G Radio Units (RUs), with a focus on the datapath.
Added 17 hours ago
MC
Coherent Optical Systems Engineer (35886)
Myticas Consulting
Ottawa, ON · Kanata, ON
- Full-time
We are seeking a Coherent Optical Systems Engineer to contribute to the design, development, characterization, and optimization of advanced coherent optical transceivers based on…
Added 18 hours ago
C-
Technical Sales and Field Service Engineer
Captiveaire - Region 114 Western PA
Saskatoon, SK
- Full-time
Seeking a driven and motivated engineer to join our sales team focusing on growing business with existing customers and developing new business. This position will involve applications…
Added 19 hours ago
K
Process Design Engineer/Analyst
Kinectrics
Toronto, ON
- Full-time
…involving fusion energy, tritium management, isotope processing and separation technologies, advanced nuclear technologies, and related research, development, demonstration, and commercial…
Added 21 hours ago
WI
Senior Principal Engineer / Technical Director - Tailings & Mine Waste
WSP in Canada
Kelowna, BC
- Full-time
As a Senior Principal Engineer / Technical Director - Tailings & Mine Waste, you will serve as a recognized technical authority and strategic advisor, leading some of the most complex and…
Added 21 hours ago
MS
Senior Software Quality Engineer
Myant Shared Service Corp.
Mississauga, ON
- Full-time
Powered by extensive, multidisciplinary R&D, Myant combines expertise in textile science and computing, biometrics, AI, and clinical research to develop technologies that seamlessly…
Added 21 hours ago
HT
Applications Engineer
Husky Technologies
Bolton, ON
- Full-time
Husky TechnologiesTM offers a wealth of opportunity for personal growth and development. Most importantly, Husky Technologies TM offers an opportunity to work with – and be challenged by –…
Added 1 day ago
BF
Estimator
Bauer Foundations
Burnaby, BC
- $80,000 to $120,000 CAD / year
- Full-time
This role requires a Civil Engineer with strong analytical capabilities and the ability to interpret complex technical specifications, develop design concepts, and manage all aspects of the…

Lightmatter

Sr SDET– Firmware Automation

Toronto, ON, Canada

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Job details

Posting language: English
Posted: Oct 8, 2026

Original 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!

At Lightmatter, an SDET is a software engineer first , not a QA coordinator or manual tester. You'll design and build the frameworks, harnesses, and hardware-in-the-loop infrastructure that let firmware engineers test their own code continuously on real photonic hardware. You'll sit with the firmware team, spend time at the bench with oscilloscopes, debuggers, and optical instruments, and serve as the bridge between firmware and broader software and systems organizations.

Responsibilities

Own the architecture and roadmap of the firmware test automation framework across products, targets, sites, and teams
Design and build stable automation for new firmware features and hardware, held to production-quality engineering standards
Build and operate HIL test infrastructure: bench and rack fixtures, device farms, power/reset control, instrument integration, and CI orchestration on real photonic hardware
Define test strategy, plans, and reporting; lead test plan reviews across teams
Integrate firmware testing into CI/CD so every change is built, flashed, exercised on hardware, and reported automatically
Own framework reliability and flaky test metrics as first-class engineering problems
Build results, telemetry, and log pipelines for triage, trend analysis, and release decisions
Debug failures across the full stack (firmware, board, instrument, fixture, test code) and partner with engineers to resolve them
Participate in firmware design reviews to influence testability and diagnostics early
Integrate with data center management interfaces (CMIS, OpenBMC, DMTF); debug embedded systems using GDB, JTAG, and logic analyzers
Define diagnostics and monitoring architecture for photonic transceivers
Mentor engineers on test architecture and write clear documentation for non-specialists

Qualifications

8+ years of professional software development, primarily on embedded products, including designing test frameworks and infrastructure
BS or MS in Computer Science, Electrical Engineering, or equivalent experience
At least one automation framework or HIL system architected and built from scratch, adopted by other engineers, and in daily use and the ability to discuss its design, tradeoffs, and lessons learned
Strong Python: fixture and abstraction layers, hardware drivers, plugin/configuration architectures
Working fluency in embedded C/C++: able to read firmware drivers or state machines and write tests for edge cases
Experience owning CI/CD pipelines running tests on physical hardware (GitHub Actions, GitLab CI, Jenkins, or equivalent), including runner health, hardware allocation, and recovery
Track record of delivering robust automation under fast-changing requirements and hardware

Preferred Qualifications

PhD, or MS with 8+ years in embedded test automation or firmware development
Experience testing firmware for optical transceivers, photonic systems, or precision analog/mixed-signal hardware
Familiarity with CMIS, OpenBMC, or DMTF/Redfish
Experience with Pytest ecosystem and test tooling for Zephyr or FreeRTOS (Twister, ztest, Renode, QEMU, or similar)
Experience with optical and electrical test and measurement equipment
Startup experience
Thoughtful use of AI-assisted tools in test generation, triage, or analytics

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.

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More about this job

Responsibilities

You will design and build firmware test automation frameworks and hardware-in-the-loop infrastructure to ensure continuous testing on real photonic hardware. You will also integrate these tests into CI/CD pipelines and collaborate with firmware engineers to debug failures across the full stack.

Requirements

Candidates must have 8+ years of professional software development experience, primarily in embedded systems, with a strong background in Python and C/C++. A bachelor's or master's degree in Computer Science, Electrical Engineering, or equivalent experience is required.

Skills

Firmware Automation
Python
Embedded C/C++
Hardware-in-the-loop (HIL)
CI/CD
Test Architecture
Embedded Systems
Photonic Systems
CMIS
OpenBMC
DMTF
GDB
JTAG
Logic Analyzers
Pytest
Zephyr

Benefits

Comprehensive Health Care Plan
Life Insurance
Generous Time Off
Paid Family Leave
Short Term & Long Term Disability
Training & Development
Commuter Benefits
Flexible, hybrid workplace model
Equity grants

Visa sponsorship

Not detected in the job text

Keywords

Firmware
Automation
Photonics
Embedded Systems
Python
C++
C
HIL
CI/CD
GitHub Actions
GitLab CI
Jenkins
CMIS
OpenBMC
DMTF
Redfish
Pytest
Zephyr
FreeRTOS
GDB
JTAG
Logic Analyzers
Transceivers
Hardware-in-the-loop
Telemetry
Debugging
Test Framework
Data Center
AI Infrastructure
Startup

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