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Added 6 mins ago
LC
Assistant Store Manager - In Training
Loblaw Companies Limited
Westbank, BC
- Full-time
Ready to lead with purpose? Join Real Canadian Superstore as an Assistant Store Manager in Training and build the skills to inspire teams, deliver exceptional customer experiences, and grow…
Added 6 mins ago
LC
Apparel Department Manager
Loblaw Companies Limited
Calgary, AB
- Full-time
Lead, coach and motivate colleagues to improve productivity, engagement and retention
Added 21 mins ago
VC
Medical Device Reprocessing Technician (MDRT)
Vancouver Coastal Health
Vancouver, BC
- Full-time
…taking smart risks, and "going first" when we believe it will lead to the best possible outcomes for patients and their families. We invite you to join us in creating healthy lives in…
Added 21 mins ago
BT
Senior Manager Level 3
Baker Tilly Canada
Owen Sound, ON
- Full-time
Lead, coordinate, manage and evaluate the operations of the organization’s accounting and audit functions;
Added 21 mins ago
DG
Human Resources Generalist
Dodds Garage Doors
Toronto, ON · North York, ON
- $70,000 to $80,000 CAD / year
- Full-time
Dodds Garage Doors is seeking an HR Generalist to lead HR operations and full-cycle recruitment across our locations in Southern Ontario. As the sole HR generalist for the organization, you…
Added 22 mins ago
MI
Engineering Co-op
Mondelēz International
Hamilton, ON · Plant - Hamilton, Canada
- $25 CAD / hour
- Full-time
Join our Mission to Lead the Future of Snacking. Make It Matter.
Added 35 mins ago
UO
Coordinator, Student Development
University of Victoria
Victoria, BC
- Full-time
Lead the administration, operation, and continuous improvement of the Resource HUB and Program Resource Centre, ensuring accessible, inclusive, and effective programming resources and…
Added 35 mins ago
KH
Roaster
Kraft Heinz
Vancouver, BC
- Full-time
…the Roaster will assist the Production Manager by acting as “lead hand” on the afternoon shift or in the Production Manager’s absence. The Roaster will also assist on the packaging line…
Added 35 mins ago
E
Electrical Designer, Mining
EXP
North Bay, ON
- Full-time
Work closely with our lead engineer and staff designers to design and draft accurate drawing packages
Added 35 mins ago
NM
Parts Lead
Nelson Motors and Equipment
Radville, SK
- Full-time
We are looking for a Parts Lead to support the day-to-day operation of our Parts departments at each of our locations in Avonlea, Radville, Estevan, Oxbow and Redvers. This hands-on role is…
Added 35 mins ago
NM
Parts Lead
Nelson Motors and Equipment
Avonlea, SK
- Full-time
We are looking for a Parts Lead to support the day-to-day operation of our Parts departments at each of our locations in Avonlea, Radville, Estevan, Oxbow and Redvers. This hands-on role is…
Added 35 mins ago
NM
Parts Lead
Nelson Motors and Equipment
Estevan, SK
- Full-time
We are looking for a Parts Lead to support the day-to-day operation of our Parts departments at each of our locations in Avonlea, Radville, Estevan, Oxbow and Redvers. This hands-on role is…
Added 35 mins ago
NM
Agriculture Equipment Technician
Nelson Motors and Equipment
Estevan, SK
- Full-time
We're looking for Agricultural Equipment Technicians who lead by example, support a strong team environment, and deliver service excellence that reflects our promise of reliable,…
Added 35 mins ago
NM
Parts Lead
Nelson Motors and Equipment
Oxbow, SK
- Full-time
We are looking for a Parts Lead to support the day-to-day operation of our Parts departments at each of our locations in Avonlea, Radville, Estevan, Oxbow and Redvers. This hands-on role is…
Added 35 mins ago
NM
Agriculture Equipment Technician
Nelson Motors and Equipment
Avonlea, SK
- Full-time
We're looking for Agricultural Equipment Technicians who lead by example, support a strong team environment, and deliver service excellence that reflects our promise of reliable,…
Added 35 mins ago
NM
Parts Lead
Nelson Motors and Equipment
Redvers, SK
- Full-time
We are looking for a Parts Lead to support the day-to-day operation of our Parts departments at each of our locations in Avonlea, Radville, Estevan, Oxbow and Redvers. This hands-on role is…
Added 35 mins ago
NM
Agriculture Equipment Technician
Nelson Motors and Equipment
Redvers, SK
- Full-time
We're looking for Agricultural Equipment Technicians who lead by example, support a strong team environment, and deliver service excellence that reflects our promise of reliable,…
Added 35 mins ago
NM
Agriculture Equipment Technician
Nelson Motors and Equipment
Radville, SK
- Full-time
We're looking for Agricultural Equipment Technicians who lead by example, support a strong team environment, and deliver service excellence that reflects our promise of reliable,…
Added 36 mins ago
GT
VP, Digital Experience & Growth
Goway Travel
Toronto, ON
- Full-time
Shape strategy across paid, organic search, referral and emerging channels, tying investment to revenue, profitability, lead quality and long-term customer value.
Added 51 mins ago
J
Manager, Payroll
Jobgether
Canada
- Full-time
Lead end-to-end Canadian payroll operations for eight operating companies, ensuring accurate, timely, and compliant payroll processing and maintaining strong data integrity.
Added 51 mins ago
R
Ingénieur Manufacturier Senior - Réparation de composants / Senior Manufacturing Engineer - Componen
Rolls-Royce
Montreal, QC
- Full-time
Added 51 mins ago
BP
Customer Service Retail Team Lead
Bass Pro Shops
Winnipeg, MB
- Full-time
Reporting to the Group Sales Manager, the Retail Lead is responsible for overseeing the successful day to day operation of a retail store department.
Added 51 mins ago
I
Technical Infrastructure Program Manager (TIPM)
IREN
Vancouver, BC
- Full-time
Support procurement coordination for long-lead technical equipment.
Added 51 mins ago
Foreman
Ironclad Developments Inc.
Nanaimo, BC
Lead and coordinate daily construction activities to ensure work is completed safely, efficiently, and in accordance with project schedules.
Added 1 hour ago
NF
Meat Department Manager Full Time Day
No Frills
Emerald Park, SK
- Full-time
Lead, coach and motivate colleagues to achieve success and foster colleague growth

Lightmatter

Sr SDET– Firmware Automation

Toronto, ON, Canada

Full-time

Apply About employer

Applications open in a new tab.

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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