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Added 7 mins ago
GC
Engineer / EIT - Apply For Future Opportunities
Glencore Canada
Elkford, BC
- Full-time
…British Columbia. We are committed to responsible resource development, environmental performance and building strong partnerships with communities and Indigenous…
Added 7 mins ago
P
Portfolio Manager, Multi-Asset Wealth Solutions
Purpose
Toronto, ON
- Full-time
Winning Through Individual and Collective Growth – You invest in your own development and actively contribute to the growth of every engineer around you.
Added 7 mins ago
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Account Manager
Polymathian - A Deswik Company
Vancouver, BC
- Full-time
Sales and Business Development Vancouver Full time Apply Now
Added 9 mins ago
AM
Senior Firmware Engineer
Advanced Micro Devices, Inc
Markham, ON
- Full-time
We are looking for an experienced and passionate Firmware Engineer to join the NBIO team and drive HW/FW co-development for IP sub-systems. In this role, you will collaborate with hardware,…
Added 23 mins ago
AH
AI/ML Engineer
Axon Health
Ottawa, ON
- Full-time
…safely on their most sensitive data. We're hiring an AI/ML Engineer to build the permission-aware knowledge graph and safety layer behind Axon Health's AI…
Added 39 mins ago
AME M Learner
I M P Group International Inc.
Abbotsford, BC
The Aircraft Maintenance Engineer - (AME M) Learner performs aircraft mechanical maintenance, repairs and overhauls and completes the associated documentation in accordance with industry…
Added 53 mins ago
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Baseband software Developer
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Ottawa, ON
- Full-time
We are looking for a RAN Performance Engineer – Baseband Software (5G) to join the PEU RAN Performance organization in Ottawa. Our team is responsible for systemizing, designing,…
Added 53 mins ago
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Intern, Developer (Winter 2027)
Bombardier
Mississauga, ON
- $17.95 to $31 CAD / hour
- Volunteer
You bring strong programming and development foundations in Python, SQL, React, Next.js, TypeScript, HTML, CSS, and Git.
Added 53 mins ago
A
Data Engineer Analyst
Avanade
Toronto, ON
- Full-time
…across Avanade’s Business Intelligence practice. The role of Engineer is perfect for ambitious technologists passionate about working with the latest Microsoft cloud technology and…
Added 53 mins ago
FS
Manufacturing Engineer
Five Seasons Comfort Limited
Concord, ON
- Full-time
The Manufacturing Engineer is responsible for developing, implementing, and optimizing manufacturing processes to improve safety, quality, productivity, efficiency, and cost performance…
Added 53 mins ago
E
Manager, Developer Experience & AI Enablement
Eyeline
Vancouver, BC
- $205,000 to $305,000 CAD / year
- Full-time
…track record of leading teams who build and support software development tools and release pipelines using both traditional and AI-powered…
Added 1 hour ago
Senior Product Cybersecurity Engineer - Platform Security
L3Harris Technologies
Montreal, QC
Minimum of 10 years of experience in cybersecurity serving as a Senior IT/Security Administrator, Security Engineer, or Security Architect within engineering-driven product development…
Added 1 hour ago
HR
QA/QC Engineer
Hitachi Rail
Mississauga, ON
- Full-time
Hitachi Rail STS Canada is looking for an enthusiastic self-motivated QA Engineer who thrives in a fast-paced environment. The successful candidate is comfortable performing a wide range of…
Added 1 hour ago
HR
Technical Safety Specialist
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- Full-time
…principles, industry specific standards and best practices for the development of safety-critical…
Added 1 hour ago
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Technical Safety Specialist
Hitachi Rail
Burnaby, BC
- Full-time
…principles, industry specific standards and best practices for the development of safety-critical…
Added 1 hour ago
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Systems Development Engineer Intern, Canada 2027
Amazon
Vancouver, BC
- Full-time
As a System Development Engineer Intern, You Will/may
Added 1 hour ago
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Sales Engineer
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Toronto, ON
- Full-time
This role will appeal to a collaborative individual with a broad interest in and exposure to project planning, proposal development, and business development across the mining, energy, and…
Added 1 hour ago
HR
Signaling System Engineer
Hitachi Rail
Mississauga, ON
- Full-time
Hitachi Rail is looking an enthusiastic and self-motivated Signaling System Engineer who thrives in a fast paced environment. This role located on-site in Mississauga, Ontario CA.
Added 1 hour ago
U
Full-Stack Software Engineer
Ultrassure
Remote, Canada
- Full-time
- Remote
We are hiring a Full-Stack Software Engineer to help build the next generation of the platform.
Added 1 hour ago
SO
Senior Software Engineer, Dentrix Ascend
Software of Excellence
Surrey, BC
- Full-time
Our Dentrix Ascend engineering team contributes to the development of Dentrix Ascend, our cloud-based practice management platform used by dental practices across the United States.…
Added 1 hour ago
WH
Digital Transformation Intern
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Toronto, ON
- Full-time
Added 1 hour ago
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Digital Transformation Intern
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Added 1 hour ago
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Sr, Mainframe Engineer, TD Securities
TD
Toronto, ON
- Full-time
…opportunities to all colleagues. Growth opportunities and skill development are defining features of the colleague experience at TD. Our compensation policies and practices have been…
Added 1 hour ago
EI
Thermal Design Engineer
Exchanger Industries Limited
Calgary, AB
- Full-time
Join Our Team as a Thermal Design Engineer at Exchanger Industries Limited!
Added 1 hour ago
4I
Senior Embedded Systems Electronics Engineer
4FMV Inc
Montreal, QC · Greater Montreal Metropolitan Area
- $118,000 to $132,000 CAD / year
- Full-time
4FMV is recruiting on behalf of our client, a Montreal-based innovation lab, for a Senior Embedded Systems Electronics Engineer. The lab develops and commercializes new products, solutions…

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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