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Added 30 mins ago
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Senior Mixed Signal Design Engineer
NVIDIA
Toronto, ON · Canada, Toronto
- Full-time
…team and help move the needle! We are looking for a senior engineer to be part of the mixed-signal design team building next generation NVLINK. This position offers the opportunity to have…
Added 39 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 45 mins ago
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ASIC Engineer Intern
Ciena
Ottawa, ON
- Full-time
Enhance Python-based reporting, analysis, build, simulation, and debug workflows.
Added 45 mins ago
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Semiconductor EDA/CAD/IT Engineer
StarIC
Toronto, ON · Greater Toronto Area, Canada
- Full-time
Join Our Innovative Team: Semiconductor EDA / CAD / IT Engineer
Added 45 mins ago
S
Senior IC Digital Design Engineer
StarIC
Toronto, ON
- Full-time
…verification, synthesis, timing closure, vector generation and simulation, lab testing, layout support and…
Added 1 hour ago
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QA Test Engineer, Industrial
Litmus
Remote, Canada
- Full-time
- Remote
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…
Added 2 hours ago
TJ
Senior Process Engineer
The JNE Group of Companies
Hamilton, ON
- $100,000 to $135,000 CAD / year
- Full-time
An exciting opportunity is available for a Senior Process Engineer P.Eng. to join our Piping, Process, and Building Mechanical Engineering team.
Added 2 hours ago
CT
Mechanical Engineer Team Lead (Supervisor)
Cam Tran
Colborne, ON
- Full-time
Utilize engineering software (e.g., AutoCAD, SolidEdge, or proprietary transformer design tools) for mechanical design, modeling and simulation.
Added 3 hours ago
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Principal Process Automation Engineer
Worley
Vancouver, BC
- Full-time
Experience supporting or integrating Operator Training Systems (OTS) or dynamic simulation environments for operator training and operational readiness.
Added 3 hours ago
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Building Performance Engineer - EIT
RWDI
Guelph, ON
- $62,000 to $75,000 CAD / year
- Full-time
RWDI is hiring a Junior Engineer/EIT for the Building Performance team in the Guelph office. This entry-level role includes but is not limited to:
Added 3 hours ago
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Assembleur mécanique et électrique (temporaire) / Mechanical and Electrical Assembler (Temporary)
OPAL-RT
Montreal, QC
- Temporary
…qui dépasse les frontières, tout en façonnant l’avenir de la…
Added 3 hours ago
HT
PD Software for Service
Husky Technologies
Bolton, ON
- Full-time
The Service team is currently seeking a Software engineer/designer to specialize in resolving service issues with a focus on Injection Molding Machine controls, including servo drive and…
Added 3 hours ago
R
Building Performance Engineer - EIT
RWDI
Guelph, ON
- Full-time
RWDI is hiring a Junior Engineer/EIT for the Building Performance team in the Guelph office. This entry-level role includes but is not limited to:
Added 3 hours ago
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Senior Electronic Warfare Systems Engineer
MDA Space
Ottawa, ON · Kanata, ON
- Full-time
We’re on the hunt for a motivated and positive minded Sr. Systems Engineer with experience developing and integrating Electronic Warfare (EW) systems to join our cross functional,…
Added 3 hours ago
NT
Lead Electrical Engineer
Novus Technical Services
Calgary, AB
- Full-time
Our Calgary Office is currently looking for a Lead Electrical Engineer
Added 4 hours ago
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CYBERSECURITY ENGINEER
Adacel
Montreal, QC
- Full-time
Possède plus de 35 ans d’expérience dans la fourniture de systèmes de formation par simulation au contrôle de la circulation aérienne (ATC) de premier plan et de solutions de gestion du…
Added 4 hours ago
TM
Senior Product Development Engineering Specialist - Design Support & Sustaining
Trudell Medical International
London, ON
- Full-time
…sub-systems to support product design. Acting as design responsible engineer (DRE) or as an advisor to more junior…
Added 5 hours ago
TM
Senior Mechanical Product Design Engineering Specialist
Trudell Medical International
London, ON
- Full-time
Act as design responsible engineer (DRE) and as a mentor to less experienced engineers to improve their capability and ensure high-quality work products
Added 5 hours ago
R
Building Performance Engineer - EIT
RWDI
Guelph, ON
- $62,000 to $75,000 CAD / year
- Full-time
RWDI is hiring a Junior Engineer/EIT for the Building Performance team in the Guelph office. This entry-level role includes but is not limited to:
Added 6 hours ago
SS
Head of Software & Perception
SkyCan Systems
Barrie, ON
- Full-time
…verification of auto-generated (model-based) flight code by an engineer who did not author the source model. Represent software at PDR, CDR, TRR, and safety…
Added 6 hours ago
H
Analog Validation & Characterization Engineer
HaiLa
Montreal, QC
- Full-time
This is an exciting opportunity for an Analog Validation & Characterization Engineer to join our dynamic and diverse team! This is a full-time, on-site role reporting to the VP of…
Added 7 hours ago
MA
Flight Control Engineer
Mobile Apps US
Quebec, QC
- Full-time
Job Description: Flight Controls Laws Design Engineer
Added 7 hours ago
Senior Mechanical Product Design Engineering Specialist
Trudell Medical Group
London, ON
Act as design responsible engineer (DRE) and as a mentor to less experienced engineers to improve their capability and ensure high-quality work products
Added 7 hours ago
Senior Product Development Engineering Specialist - Design Support & Sustaining
Trudell Medical Group
London, ON
…sub-systems to support product design. Acting as design responsible engineer (DRE) or as an advisor to more junior…
Added 7 hours ago
SG
Senior Automation Engineer
Socomec Group
Brampton, ON
- Full-time
Socomec is seeking a Senior Automation Engineer to join our Energy Storage Systems (ESS) R&D team. This role will focus on the development, integration, testing, and commissioning of…

Litmus

QA Test Engineer, Industrial

Remote, Canada

Remote

Full-time

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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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