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Added 3 mins ago
HT
Engineering Team Leader (PET HR)
Husky Technologies
Bolton, ON
- Full-time
…passion of our people around the world and their desire to lead change. At the same time, we are not afraid to expect a lot and strive for leadership in all of our key markets. We are a…
Added 3 mins ago
HT
Mechanical Designer (Fluidpower)
Husky Technologies
Bolton, ON
- Full-time
…passion of our people around the world and their desire to lead change. At the same time, we are not afraid to expect a lot and strive for leadership in all of our key markets. We are a…
Added 3 mins ago
HT
Designer, Development (Mechanical)
Husky Technologies
Bolton, ON
- Full-time
…passion of our people around the world and their desire to lead change. At the same time, we are not afraid to expect a lot and strive for leadership in all of our key markets. We are a…
Added 3 mins ago
HT
Product Development Engineer
Husky Technologies
Bolton, ON
- Full-time
…passion of our people around the world and their desire to lead change. At the same time, we are not afraid to expect a lot and strive for leadership in all of our key markets. We are a…
Added 3 mins ago
WB
Distribution and Trade Compliance Manager
Wexxar Bel
Richmond, BC
- Full-time
Ensure customer requirements, routing instructions, Incoterms and internal shipment-release controls are consistently followed.
Added 3 mins ago
HT
Designer, Development (Electrical)
Husky Technologies
Bolton, ON
- Full-time
…reliable electrical systems – from concept through validation and release to manufacturing. The secret to our success is our high-performance culture and the creativity, intelligence and…
Added 5 mins ago
Application Support Lead - RightAngle and Zema Platforms
Capgemini
Calgary, AB
We are seeking an experienced Senior Manager, Application Support to lead the operational support, maintenance, and continuous improvement of the organization's RightAngle and Zema…
Added 5 mins ago
LC
Bilingual Senior Technical Product Manager (ENG/FR)
Loblaw Companies Limited
Montreal, QC
- Full-time
Lead release readiness, store communication, training coordination, rollout planning, support handoff, monitoring, and post-release learning in both French and English as needed.
Added 6 mins ago
ES
Senior Delivery Manager
EPAM Systems
Canada
- Full-time
Lead governance across approximately 20+ SAFe Scrum teams and 200+ professionals in four regions; align teams on priorities, PI plans, dependencies, and release readiness
Added 6 mins ago
C
Manager System Architecture-CA
CN
Montreal, QC
- Full-time
…initiatives, products, systems, or features within an Agile Release Train (ART). The role translates business, functional, non-functional, security, and operational requirements into…
Added 8 mins ago
A
Construction Lead - General (Term)
ATCO
Edmonton, AB
- Full-time
The Construction Lead – General (Term) is responsible for the planning, coordination, monitoring, construction, inspection and quality control of work on Distribution lines, either…
Added 12 mins ago
CG
Product Compliance Specialist
Calian Group
Ottawa, ON
- Full-time
…for Calian's aviation GNSS antenna products. This role will lead the certification strategy and compliance process for FAA approval of airborne GNSS antenna systems, including qualification…
Added 16 mins ago
SM
RQ11601 – Systems Testing/QA Specialist – Senior
S M Software Solutions Inc
Toronto, ON
- Full-time
…the various components. The tester will work with the testing lead and IT lead of each project, as well as project team members, in the analysis, design, development, implementation, and…
Added 16 mins ago
SM
RQ11502 – Product Manager – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
Technical knowledge of Oracle and related deployment environments to coordinate and lead activities.
Added 16 mins ago
S
Senior Manager, Business Banking Platforms
Scotiabank
Toronto, ON
- Full-time
Effectively communicates product release contents and expected product capabilities/customer journey to appropriate stakeholders.
Added 16 mins ago
HC
Business Analyst, HCM Systems - People(s) & Culture - FT Admin
Humber College
Toronto, ON
- Full-time
Develop both a technical and operational impact assessment for quarterly release system upgrades in partnership with operational team(s) to identify changes impacting people, processes, or…
Added 16 mins ago
J
Manager, Online Merchandising
Jobgether
Canada
- Full-time
Release and enhancement management: Lead merchandising-related initiatives across IT release cycles, coordinating requirements, priorities, configurations, testing, team capacity, bug…
Added 19 mins ago
U
Technical Program Manager
UiPath
Remote, Canada
- Full-time
- Remote
Technical Program Managers work cross-functionally to lead a growing book of service engagements, ensuring automation engagements and initiatives are optimally resourced, solutioned and…
Added 24 mins ago
WO
Neurologist
William Osler Health System
ON · Brampton & Etobicoke, Ontario
- Full-time
…Dictations systems allow for real time-editing and instantaneous release of notes. Our monthly Neurology Rounds and NeuroRadiology case rounds provide excellent neurology CME and will…
Added 26 mins ago
CI
Responsable Programmation Gameplay / Lead Gameplay Programmer
Cloud Imperium Games Montreal
Montreal, QC
- Full-time
Help manage projects all the way through to release.
Added 26 mins ago
NV
Full Stack Developer (React / .NET) - (ID#5569)
New Value Solutions
Vancouver, BC · Greater Vancouver, BC
- Contract
Lead technical planning and execution of application and server infrastructure migrations, including dependency assessments, testing, cutover, and rollback planning.
Added 26 mins ago
SO
Assistant Teacher (Level 3) - Richmond Hill Central - PT
Spirit of Math Schools Inc.
Richmond Hill, ON
- Full-time
Lead pre-assigned classroom activities such as groupwork, drills, or core topics.
Added 26 mins ago
SO
Assistant Teacher (Level 3) - Forest Hill - PT
Spirit of Math Schools Inc.
Toronto, ON
- Full-time
Lead pre-assigned classroom activities such as groupwork, drills, or core topics.
Added 26 mins ago
NM
Sr Product Owner - Cloud Software
Natus Medical Incorporated
Oakville, ON
- Full-time
Lead backlog refinement and prioritization, ensuring requirements are clear, testable, and ready for development.
Added 26 mins ago
SL
Chargé·e de projet numérique, soutien et maintenance - Digital Project Manager Support
Sid Lee
Montreal, QC
- Volunteer
Validate fixes before release and confirm closure with the client;

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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