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Added 12 mins ago
T
Cyber Security Intern/Co-op (Winter 2027)
TD
Mississauga, ON · Toronto, ON
- Full-time
…cyber security tooling capabilities. Each of the Cyber Security Engineer roles focuses on specialized areas of security tooling in order to better defend, identify, and secure systems and…
Added 13 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 13 mins ago
SP
Manager, Product, Pricing & Integrations Operations
Salesforce Partner Canada
Toronto, ON
- Full-time
…requirements will influence the roadmap for our provisioning systems. This is a hybrid role with three days in office each…
Added 13 mins ago
CM
Propulsion Engineer
Carter Murray
Montreal, QC
- $75,000 to $150,000 CAD / year
- Full-time
The Propulsion Engineer provides technical engineering support for CFM56 engine maintenance, repair, and overhaul (MRO) activities. This role works closely with production teams to…
Added 13 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 27 mins ago
C
Senior Java Backend Engineer
Citi
Mississauga, ON
- Full-time
We are looking for a Senior Java Backend Engineer with hands-on experience in designing end-to-end data pipelines using Java and Spring Boot, and enterprise API design. You will own…
Added 42 mins ago
HP
HPC & AI Software - Engineering Resolution Engineer
Hewlett Packard Enterprise
Mississauga, ON
- $118,500 to $168,500 CAD / year
- Full-time
Bachelor's or Master's degree in Computer Science/Engineering, Information Systems, or equivalent.
Added 42 mins ago
U
Proposal Engineer – Renewables (CAN)
Ulteig
Canada
- Full-time
Ulteig is seeking qualified candidates for a Proposal Engineer – Renewables role in Canada to support the development of high-quality, client-focused technical proposals and project cost…
Added 42 mins ago
Electrical/Electronic Design Engineer
National Research Council Canada
Ottawa, ON
We are looking for a Vehicle Power and Energy Systems Engineer to support the Automotive and Surface Transportation (AST) Research Centre. The successful candidate would be someone who…
Added 42 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 42 mins ago
PE
Junior Air Emissions Engineer
Process Ecology Inc
Calgary, AB
- Full-time
● Assist in the development of systems / workflows for regulatory compliance.
Added 42 mins ago
AI
Maintenance Control Technician
Air Inuit
Montreal, QC
- Full-time
Hold a valid Aircraft Maintenance Engineer (AME) licence issued by Transport Canada.
Added 57 mins ago
KI
GIS & AIS Substation Engineer with strong Power Systems engineering capability
Kleinfelder Inc
Calgary, AB · Edmonton, AB
- Full-time
We are seeking a highly skilled GIS & AIS Substation Engineer with strong Power Systems engineering capability in our Alberta location Edmonton & Calgary to support the design, analysis,…
Added 57 mins ago
M
Senior Software Engineer (Hybrid / Montreal)
Motion
Montreal, QC
- Full-time
This is a hybrid role in our Montreal office, three or four days a week. As a Software Engineer, you'll work on the core infrastructure behind Runneth: the VM it runs on and the services…
Added 57 mins ago
ML
Chief Power Engineer
Maple Leaf Foods Inc
Saskatoon, SK
- Full-time
The 2nd Class Chief Power Engineer reports directly to the Reliability Leader. Under your leadership, a team of stationary engineers will safely operate and maintain critical plant assets…
Added 57 mins ago
ML
Energy Management Specialist
Maple Leaf Foods Inc
Winnipeg, MB
- Full-time
A professional engineer, preferably in mechanical or electric discipline, with 3+ years of experience in energy engineering, energy management, energy-efficient design of industrial systems…
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
H
Cloud Architect
Hays
Toronto, ON
- Contract
…delivery management, and release readiness sit with the AI Engineer…
Added 57 mins ago
ML
Automation Engineer (Night Shift)
Maple Leaf Foods Inc
London, ON
- $71,000 to $103,000 CAD / year
- Part-time
The Automation Engineer reports directly to the Manager, Automation and is responsible for supporting the automation actions for the facility. The automation actions will include system…
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
…maintenance, and continuous improvement of injection molds and tooling systems. This position will oversee tooling projects from concept through production launch, ensuring molds meet…
Added 57 mins ago
M
System Engineer
MCAP
Cambridge, ON · Greater Kitchener-Cambridge-Waterloo Metropolitan Area
- Full-time
…the deployment, monitoring and management of the Operating…
Added 57 mins ago
M
Systems Engineer
MCAP
Waterloo, ON
- Full-time
We are seeking a highly skilled and motivated Systems Engineer to join our Platform Services team. This role is ideal for an engineer who thrives in a modern infrastructure environment and…
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
…include advanced PCB design (embedded, wireless, and mechatronics systems), SLA 3D printing, polyurethane casting, mechanical design, advanced post-processing for production-like finishes…
Added 1 hour ago
AI
Ping Identity / ForgeRock Engineer
Apptoza Inc.
Montreal, QC
- Full-time
Partnering with system owners, certify business continuity and disaster recovery efforts of our IAM systems

Litmus

QA Test Engineer, Industrial

Remote, Canada

Remote

Full-time

Apply About employer

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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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