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Added 6 hours ago
SM
RQ11622 – Systems Testing/QA Specialist – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
…test strategy development, test case and script creation, test automation, API testing, performance testing, defect management, database testing, cloud technologies, CI/CD pipelines,…
Added 6 hours ago
SM
RQ11622 – Systems Testing/QA Specialist – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
…test strategy development, test case and script creation, test automation, API testing, performance testing, defect management, database testing, cloud technologies, CI/CD pipelines,…
Added 18 hours ago
SM
RQ11622 – Systems Testing/QA Specialist – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
…test strategy development, test case and script creation, test automation, API testing, performance testing, defect management, database testing, cloud technologies, CI/CD pipelines,…
Added 1 day ago
SM
RQ11622 – Systems Testing/QA Specialist – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
…test strategy development, test case and script creation, test automation, API testing, performance testing, defect management, database testing, cloud technologies, CI/CD pipelines,…
Added 1 day ago
GL
Cybersecurity Consultant II - CAN
Gaming Laboratories International, LLC
Moncton, NB
- Full-time
Scripting and automation skills (such as Python, PowerShell, or Bash) used to build custom tooling and validate findings.
Added 2 days ago
CI
Senior Autonomy Validation Specialist / Spécialiste senior de la validation de l’autonomie
Caterpillar Inc.
Laval, QC
- Full-time
…Caterpillar enterprise to advance technologies including autonomy and automation, which helps enhance site safety, productivity and efficiency across customer operations worldwide. Cat…
Added 2 days ago
E
Analyste QA senior, SDET – Tests de paiements, d’API et d’événements / Senior QA Analyst, SDET – Payments, API & Event Testing
Expleo
Montreal, QC
- Contract
Tester les flux critiques de paiements dans des architectures distribuées, incluant les transactions API, les plateformes de messagerie, le traitement des événements et les résultats…
Added 2 days ago
QUALITY ASSURANCE AUTOMATION TESTER (UNIONIZED) - CONTRACT - HYBRID
Green Shield Canada
Windsor, ON
This position reports directly to the Supervisor, IT Quality Assurance - Technical Testing. The Quality Assurance Automation Tester is responsible for Automated testing activities for large…
Added 2 days ago
GM
ETL Test Lead/ Sr. ETL Tester
Galactic Minds INC
Vancouver, BC
- Full-time
Hands on experience in developing UI automation script in Python using Selenium/Appium framework.
Added 2 days ago
VS
Product Verification and Validation Engineer
VIAVI Solutions
Ottawa, ON
- Full-time
…Validation. This role covers a broad scope of responsibilities - from automation development, optical validation and verification, remote interface testing, GUI Testing to microscopy and…
Added 2 days ago
VS
Product Verification and Validation Engineer
VIAVI Solutions
Ottawa, ON
- Full-time
…Validation. This role covers a broad scope of responsibilities - from automation development, optical validation and verification, remote interface testing, GUI Testing to microscopy and…
Added 2 days ago
A
Développeur De Tests Python/Python Test Developer
Actalent
Sainte-Anne-de-Bellevue, QC
- $50 to $60 CAD / hour
- Contract
Le développeur de tests Python conçoit, développe, teste, intègre et déploie des applications logicielles, en utilisant des langages et technologies généraux, afin de soutenir les essais de…
Added 3 days ago
Sr SDET– Firmware Automation
Lightmatter
Toronto, ON
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…
Added 3 days ago
L
Sr SDET– Firmware Automation
Lightmatter
Toronto, ON
- Full-time
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…
Added 3 days ago
UM
Senior Software Tester
Ultra Maritime
Dartmouth, NS
- Full-time
The Software Tester will be responsible for modernizing Ultra’s software test strategy that spans Linux-based virtualized systems, physical test sets, and Docker-based software deployments.…
Added 3 days ago
B
Tech Lead - Application Development N 4C
BrightClaim
Montreal, QC
- Full-time
· Expert level scripting skills using Python (mandatory) and Shell
Added 3 days ago
TI
2027 BrainBox AI Intern
Trane Italia
Montreal, QC
- Full-time
tester, valider ou déployer des fonctionnalités activées par l’IA, selon le mandat
Added 3 days ago
HA
Wireless Networking Tester (QA) / Testeur réseautique sans-fil (QA)
HPE Aruba Networking
Montreal, QC
- $64,500 to $107,500 CAD / year
- Full-time
Development of scripts in Python to optimize manual test execution
Added 3 days ago
C
Software Developer
Cisco
Ottawa, ON
- Full-time
…opportunity to directly influence the future of data center automation and platform…
Added 4 days ago
HP
Wireless Networking Tester (QA) / Testeur réseautique sans-fil (QA)
Hewlett Packard Enterprise
Montreal, QC · St. Laurent, Quebec, Canada
- $64,500 to $107,500 CAD / year
- Full-time
Wireless Networking Tester (QA) / Testeur réseautique sans-fil (QA)This role has been designed as 'Hybrid' with a requirement that you will work on average 2 days per week from an HPE…
Added 4 days ago
M
RQ11622 - Systems Testing/QA Specialist - Senior
Maarut
Toronto, ON
- Contract
against the various components. The tester will work with the testing lead and
Added 4 days ago
MS
Consultant Conversion - Software Eng III : Job Level - Director
Morgan Stanley
Montreal, QC
- Full-time
Implement and support CI/CD pipelines, release automation, and operational excellence initiatives.
Added 4 days ago
AI
C++ Developer & Tester
Aversan Inc.
Montreal, QC
- $120,000 to $140,000 CAD / year
- Full-time
Maintaining python scripts and automation (tool) mechanisms in the harness.
Added 5 days ago
UM
Senior Software Tester
Ultra Maritime
Dartmouth, NS
- Full-time
The Software Tester will be responsible for modernizing Ultra’s software test strategy that spans Linux-based virtualized systems, physical test sets, and Docker-based software deployments.…
Added 5 days ago
M-
Spécialiste en intégration de systèmes, Laboratoire d'IA souveraine
Mila - Institut québécois d'intelligence artificielle
Montreal, QC
- Full-time
Tester les composants candidats par des expérimentations, des bancs d'essai reproductibles et des déploiements pilotes. Documenter les méthodes et les résultats pour appuyer les décisions…

Lightmatter

Sr SDET– Firmware Automation

Toronto, ON, Canada

Full-time

Apply About employer

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Job details

Job type: Full-time
Apply by: Apr 6, 2027
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.

Apply About employer

More about this job

Responsibilities

Architect and maintain firmware test automation frameworks and hardware-in-the-loop infrastructure, integrating physical hardware testing into CI/CD and building reliable results and telemetry pipelines. Debug issues across firmware, boards, instruments, fixtures, and test code; shape testability and diagnostics through design reviews; and mentor engineers.

Requirements

Requires 8+ years of professional software development, primarily on embedded products, a relevant bachelor's or master's degree or equivalent experience, and experience building an automation framework or HIL system adopted for daily use. Candidates should have strong Python, working fluency in embedded C/C++, and experience operating CI/CD pipelines that test physical hardware.

Skills

Firmware Test Automation
Python
Embedded C/C++
Hardware-in-the-Loop Testing
Test Framework Architecture
CI/CD
Pytest
Embedded Systems Debugging
GDB
JTAG
Logic Analyzers
Hardware Drivers
Optical and Electrical Test Equipment
CMIS
OpenBMC
DMTF/Redfish

Benefits

Health Care Plan
Life Insurance
Paid Time Off
Paid Family Leave
Short-Term Disability
Long-Term Disability
Training and Development
Commuter Benefits
Equity Grants

Visa sponsorship

Not detected in the job text

Keywords

Firmware
Test Automation
Hardware-in-the-Loop
Python
Embedded C/C++
CI/CD
Pytest
GitHub Actions
GitLab CI
Jenkins
CMIS
OpenBMC
DMTF/Redfish
GDB
JTAG
Logic Analyzers
Zephyr
FreeRTOS
Twister
ztest
Renode
QEMU
Optical Transceivers
Photonic Systems
Mixed-Signal Hardware
Oscilloscopes
Hardware Drivers
Test Framework Architecture
Telemetry
AI-Assisted Test Generation

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