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Added 12 mins ago
T
Cyber Security Intern/Co-op (Winter 2027)
TD
Mississauga, ON · 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 12 mins ago
MI
Quality Engineer
Marmon Industrial Water
Burlington, ON
- Full-time
As a Quality Engineer, you will act as the project Quality Lead for new projects and maintain responsibility for performing the project’s Quality documentation, and inspection activities.…
Added 12 mins ago
NM
Reliability Engineering
Natus Medical Incorporated
Oakville, ON
- Full-time
We are seeking an experienced Reliability Engineer to lead product reliability activities and help ensure our neurology medical devices and applications consistently deliver their intended…
Added 12 mins ago
SP
Manager, Product, Pricing & Integrations Operations
Salesforce Partner Canada
Toronto, ON
- Full-time
You have experience constructing licensing or entitlements for B2B SaaS, or experience in the product and engineering development lifecycle for SaaS products.
Added 12 mins ago
SG
Data Engineer
Semios Group
Vancouver, BC
- $95,000 to $115,000 CAD / year
- Full-time
As a Data Engineer at Semios, you will design, build, and maintain scalable, reliable cloud-based data systems that transform raw data into trusted, analysis-ready datasets. You will work…
Added 41 mins ago
HP
HPC & AI Software - Engineering Resolution Engineer
Hewlett Packard Enterprise
Mississauga, ON
- $118,500 to $168,500 CAD / year
- Full-time
Perform selected product pre-release testing.
Added 41 mins ago
Electrical/Electronic Design Engineer
National Research Council Canada
Ottawa, ON
The engineer will contribute to the development, integration, testing, validation, and demonstration of advanced vehicle systems for automotive, commercial vehicle, rail, and other ground…
Added 41 mins ago
P
Sr. React Native Engineer | US/Canada
Pack.com
Remote, Canada
- Remote
…mobile surface. We are looking for an elite Senior React Native Engineer to lead the engineering of our iOS and Android mobile apps from development builds through app store…
Added 41 mins ago
E
Software Engineer
Ecolab
Calgary, AB · CAN-Calgary Office Quarry Park
- Full-time
We are looking for a Software Engineer to help modernize factory operations through software, connected systems, and reliable data. You will build and improve applications that support…
Added 56 mins ago
M
Senior Software Engineer (Hybrid / Montreal)
Motion
Montreal, QC
- Full-time
We're at the forefront of AI as the foundation of our product. Motion now automatically analyzes and organizes creative at scale and surfaces competitor trends. And with Runneth - the AI…
Added 57 mins ago
H
Machine Learning Engineer
Hays
Toronto, ON
- Contract
We’re looking for a hands-on Machine Learning Engineer to develop and improve ML and deep learning models that power personalization across our retail ecosystem.
Added 57 mins ago
AR
Tooling Engineer Manager - Injection Mold - Automotive (35792)
Activ8 Recruitment & Solutions
Woodstock, ON
- $90,000 to $130,000 CAD / year
- Full-time
We are seeking an experienced Tooling Engineering Manager to lead the design, development, maintenance, and continuous improvement of injection molds and tooling systems. This position will…
Added 1 hour ago
HA
Intern Bachelors Test Eng
Honeywell Aerospace
Ottawa, ON · Kanata, ON
- Full-time
The successful candidate will join the Honeywell Aerospace SATCOM Test Systems organization as a Qualification Test Engineer Intern. In the role of Qualification Test Engineer Intern,…
Added 1 hour ago
D
Part-Time Supply Chain Operations & General Management Role
dewpoint
Toronto, ON
- Part-time
Strong operational and supply chain experience, preferably in an engineering, product development, or low-to-medium volume manufacturing environment.
Added 1 hour ago
AI
Ping Identity / ForgeRock Engineer
Apptoza Inc.
Montreal, QC
- Full-time
Collaborate with development teams to improve system architecture and resilience
Added 1 hour ago
IG
Junior Field Applications Engineer – Data Center & Enterprise Markets
IntelliPro Group Inc.
Canada
- Full-time
Contribute directly to customer success and product development.
Added 1 hour ago
A
CCaaS Developer
Accenture
Montreal, QC
- Full-time
…relevance. Our capabilities span ideation to execution: growth, product and experience design; technology and experience platforms; creative, media and marketing strategy; and campaign,…
Added 1 hour ago
Senior Software Engineer, Agentic AI Products
Leo Berwick
Toronto, ON
We are hiring a Toronto-based Senior Software Engineer to join our founding in-house engineering team and build products from the ground up. This is a hands-on, individual contributor role…
Added 1 hour ago
W
Software Development Engineer in Test, Evisort AI
Workday
Vancouver, BC · Canada, BC, Vancouver
- Full-time
Partner with software developers and product managers to define features and establish criteria for verifying correct implementation, fostering a quality-first attitude throughout the…
Added 1 hour ago
RI
Plant Manager
Recochem Inc.
Nisku, AB
- Full-time
We engineer leading fluid solutions that keep the world moving and we’re building a better future while we do it. As a vertically integrated global powerhouse, we operate 17 manufacturing…
Added 1 hour ago
S
Senior IC Digital Design Engineer
StarIC
Toronto, ON
- Full-time
Responsible for all aspects of digital blocks and ICs development to meet product requirements from the initial concept, architecture and specification through to the final verification
Added 1 hour ago
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QA Test Engineer, Industrial
Litmus
Remote, Canada
- Full-time
- Remote
You’ll work on systems used by real customers in production, with direct impact on product and company trajectory. As a scaling company, we move quickly. You’ll have ownership, visibility,…
Added 1 hour ago
UH
R&D Engineer
University Health Network
Mississauga, ON
- Full-time
The R&D Engineer is generally responsible for translating clinical needs from transplant surgeons into product ideas. They research new technologies, build proof-of-concept prototypes,…
Added 2 hours ago
UC
Databricks Data Platform Engineer
Univedge Consulting LLC
Canada
- Contract
As a Senior Databricks Data Platform Engineer, you will own the engineering, automation, and day-to-day health of our enterprise Databricks Lakehouse platform. This is a platform-first…
Added 2 hours ago
Plant Manager
PFX Group
Nisku, AB
We engineer leading fluid solutions that keep the world moving and we’re building a better future while we do it. As a vertically integrated global powerhouse, we operate 17 manufacturing…

Litmus

QA Test Engineer, Industrial

Remote, Canada

Remote

Full-time

Apply About employer

Applications open in a new tab.

Job details

Job type: Full-time
Workplace: Remote
Posting language: English
Posted: Oct 30, 2026

Original job description

Who is Litmus

Litmus is building the data foundation that powers industrial AI.

AI doesn’t work without real-world, contextualized data - Litmus makes that data usable. As AI adoption accelerates, most industrial environments still can’t access or use their operational data. We solve that gap.

We’re a growth-stage software company helping manufacturers access, structure, and use real-time data from machines, systems, and sensors at the edge. Our platform sits at the intersection of edge computing, AI, and industrial operations, enabling some of the world’s largest companies to run operations in real time, reduce downtime, and optimize production.

Backed by leading investors and trusted by global manufacturers and partners like Google, Microsoft, Dell, Oracle, and Mitsubishi, Litmus is powering the shift toward software-defined manufacturing.

Why join Litmus

Build the infrastructure that makes industrial AI possible

AI is moving beyond the cloud and into the physical world. At Litmus, you’ll build the infrastructure that enables real-time data to power AI and machine learning systems in production environments.

Work on problems where software meets the real world

Most AI systems fail without access to real-world data. You’ll build the layer that makes them viable in production. We solve challenges at the intersection of distributed systems, real-time data, and industrial constraints - where reliability, scale, and performance are non-negotiable.

Have real impact, fast

You’ll work on systems used by real customers in production, with direct impact on product and company trajectory. As a scaling company, we move quickly. You’ll have ownership, visibility, and the ability to shape both product and company as we scale.

Join a high-performance team

We’re building a team that holds a high bar and pushes each other to improve. You’ll work alongside experienced operators, engineers, and leaders who have done this before and are building again at scale. We hire people who take ownership, move quickly, and care about outcomes. No passengers.

Our culture

At Litmus, the team is collaborative, curious, and low ego. People are scrappy, take ownership, and look for ways to make an impact. We value empathy just as much as execution, whether that’s in how we build, how we communicate, or how we support each other.

We’re a growing company, so things move quickly and not everything is perfectly defined. If you enjoy figuring things out, working closely with others, and making steady progress, you’ll do well here.

About the Role

We are hiring a Senior QA Test Engineer (SDET) for our Industrial and Data team. Today the developers on this team test their own work, so the connectors that talk to PLCs and industrial control systems have no independent test coverage. You will own that coverage.

This is a role where you write code, not test documents. Your output is the automation framework, the regression suite that runs on every build, and the device and protocol simulators that let us test without waiting for physical hardware. You will sit with the industrial developers and work closely with the engineering team in the US and Canada.

What You'll Do

Build and own automated test coverage for the southbound connectors that use OPC-UA, Modbus, EtherNet/IP, PROFINET and DNP3.

Write end to end tests that drive Litmus Edge through its REST API, and keep them running in our GitLab pipelines on every internal build.

Build protocol and device simulators, so tests do not have to queue for physical devices that only accept one connection at a time.

Split coverage into development tests and regression tests, and run the regression suite on LTS builds and on an agreed cadence.

Test upgrade and backward compatibility paths, behaviour under load, and longer soak runs.

Triage failures from pipeline logs and report them with a clear timestamp, separating product bugs from infrastructure noise.

Keep test cases and results in Jira and Xray so we can report coverage per component.

Review acceptance criteria on tickets when development starts, not after it finishes.

What You'll Bring

Must Have

5+ years in software test automation, including at least 3 years writing test code in Go, Python or a similar language. This is not a manual or record and playback role.

Hands on REST API test automation, including building and changing system state through API calls.

Working knowledge of at least two industrial or IIoT protocols, for example OPC-UA, Modbus, EtherNet/IP, PROFINET, DNP3 or MQTT.

Comfortable with Linux, Docker and CI pipelines (GitLab preferred), including reading pipeline logs to work out why a run failed.

Nice to Have

Experience building device or protocol simulators, or hardware in the loop test setups.

C++ or Golang development experience, since much of the team's code is written in those languages.

Playwright or similar modern UI automation. Litmus is standardising its automation on Playwright.

Jira and Xray for test case and test execution management.

A high level understanding of PLCs, for example the difference between memory tags and symbolic tags.

Performance, load or soak testing experience.

Option to be hybrid in Santa Clara or Toronto, or remote in the US or Canada.

Apply About employer

More about this job

Responsibilities

You will build and own automated test coverage for industrial connectors and develop protocol simulators to enable testing without physical hardware. Additionally, you will manage end-to-end tests within GitLab pipelines and triage failures to ensure high-quality software releases.

Requirements

Candidates must have at least 5 years of experience in software test automation with proficiency in Go, Python, or similar languages. A strong understanding of industrial protocols like OPC-UA or Modbus and experience with Linux, Docker, and CI/CD pipelines is required.

Skills

Software test automation
Go
Python
REST API
OPC-UA
Modbus
EtherNet/IP
PROFINET
DNP3
Linux
Docker
GitLab
CI/CD
Protocol simulation
Industrial IoT
Regression testing

Visa sponsorship

Not detected in the job text

Keywords

QA Test Engineer
SDET
Industrial AI
Edge computing
Go
Python
REST API
OPC-UA
Modbus
EtherNet/IP
PROFINET
DNP3
MQTT
Linux
Docker
GitLab
CI/CD
Automation framework
Regression suite
Protocol simulators
Jira
Xray
Playwright
IIoT
Manufacturing
Distributed systems
Load testing
Soak testing
Software-defined manufacturing
Hardware-in-the-loop

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