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Added 6 hours ago
C
Founding AI Engineer (Forward Deployed)
CGI
Toronto, ON
- Full-time
We are looking for a Founding AI Engineering professional to help build this capability. This is a senior, hands-on role where you will build real AI products and help shape how they are…
Added 6 hours ago
M
Cloud & AI Infrastructure Solution Engineer
Microsoft
Toronto, ON
- Full-time
As a Cloud & AI Infrastructure Solution Engineer, you will play a key role in helping customers modernize their Platform Estate, including hardware, software, applications, databases,…
Added 10 hours ago
FS
Senior Platform Engineer, Performance Management
Four Seasons Hotels and Resorts
Toronto, ON · Four Seasons Corporate Headquarters Toronto
- Full-time
The Senior Platform Engineer is responsible for managing the technical delivery lifecycle of Dynamics 365 Finance & Operations (D365 F&O), including source control, branching strategies,…
Added 11 hours ago
TD
Senior DevOps Engineer
TELUS Digital
Remote, Canada
- $96,000 to $120,000 CAD / year
- Full-time
- Remote
Our Senior DevOps Engineer will be an integral part of our team at TELUS Digital. This role will have the option to be remote in Canada.
Added 12 hours ago
T
Engineer II - Endpoint Protection Security
TD
Markham, ON · Mississauga, ON · Toronto, ON
- Full-time
This senior-level role requires extensive experience in endpoint security engineering, solution design, and technical leadership. The successful candidate will combine deep security…
Added 17 hours ago
C
Senior Software Engineer (Fullstack)
CIBC
Toronto, ON
- Full-time
As a Senior Software Engineer, you will leverage your expertise in React, .Net, SQL, and JavaScript to lead the development, enhancement, and maintenance of critical software solutions. You…
Added 19 hours ago
FI
Principal Software Engineer - Zynque
Fulfillment IQ
Toronto, ON
- Full-time
Job Title: Principal Software Engineer - Zynque
Added 1 day ago
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Senior Application Engineer - IAM
lululemon
Vancouver, BC
- Full-time
As a Senior Application Engineer, you will lead the design and implementation of complex application solutions spanning multiple business processes and system modules, establishing…
Added 3 days ago
T
Staff Software Engineer
Twilio
Remote, Canada
- Full-time
- Remote
As a Staff Software Engineer (P4), you will be a key technical leader for a platform that processes millions of requests. You will build innovative solutions while working closely with…
Added 4 days ago
CI
Ingénieur mécanique principal / Senior Mechanical Engineer
Calian in Space & Technology
Vaudreuil-Dorion, QC
- Full-time
We are currently seeking a candidate for the position of Senior Mechanical Design Engineer. The successful candidate will lead the design, analysis, development, production, maintenance and…
Added 4 days ago
GD
Vice President, Land & Joint Mission Systems
General Dynamics Missions System International
Ottawa, ON
- Full-time
At General Dynamics Mission Systems–International, we do more than engineer technology, we deliver mission-critical capabilities that strengthen national security, enhance allied readiness,…
Added 4 days ago
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Software Engineer III
TD
London, ON · Toronto, ON
- Full-time
We are seeking a skilled Senior Software Engineer with expertise in Java with expertise in Node JS, Java, Spring Boot, REST API, Kafka , SQL Server Database, Cloud, Azure & AI tools. This…
Added 5 days ago
M
Senior Security Engineer, Detection and Response
Marqeta
Remote, Canada
- Full-time
- Remote
As Marqeta's Senior Security Engineer on the Security Operations and Response team, you will lead incident response for North America and shape how we detect and respond to threats using…
Added 5 days ago
GC
Senior Engineer Supervisor, Projects
Glencore Canada
Elkford, BC
- $140,000 to $165,000 CAD / year
- Full-time
EVR is proud to be part of the Glencore Group, contributing to a global portfolio of operations with a history that dates back more than 100 years in Canada.
Added 5 days ago
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Senior Security Engineer - Cloud Security
PagerDuty
Toronto, ON
- Full-time
Senior Security Engineer - Cloud Security (Platform Engineering, Kubernetes & Identity)
Added 5 days ago
KG
Senior Data AI Engineer – GenAI & Agentic AI
K&K Global Talent Solutions INC.
ON · Ontario, Canada
- Full-time
Position: Forward Deployed Engineer (Python/PySpark + Claude AI + Data & MLOps)
Added 5 days ago
O
Senior Software Engineer, Observability (Auth0)
Okta
Toronto, ON
- $136,000 to $187,000 CAD / year
- Full-time
As a Senior Engineer on this team, you will act as a core technical leader. You will work cross-functionally to help integrate services with our instrumentation libraries, support product…
Added 5 days ago
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Director, Project Controls Nuclear
Worley
Toronto, ON
- Full-time
Worley is a global company of energy, chemicals and resources experts headquartered in Australia. We partner with our customers to deliver projects and create value across the life of their…
Added 5 days ago
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Senior Application Security Engineer
Nutrien
Calgary, AB
- Full-time
The Senior Application Security Engineer is a senior technical role responsible for advancing security across the software development lifecycle (SDLC). Working closely with application…
Added 5 days ago
Senior Security Engineer - Cloud Security
PagerDuty
Toronto, ON
Senior Security Engineer - Cloud Security (Platform Engineering, Kubernetes & Identity)
Added 5 days ago
J
Senior Data Engineer
JLL
Toronto, ON · Canada Home Office - ON
- Full-time
As a Senior Data Engineer at JLL, you will leverage advanced technical expertise and enterprise-focused thinking to drive AI-powered automation that achieves strategic business objectives.…
Added 5 days ago
W
Director, Project Controls
Worley
Toronto, ON · Markham, ON
- Full-time
Worley is a global company of energy, chemicals and resources experts headquartered in Australia. We partner with our customers to deliver projects and create value across the life of their…
Added 5 days ago
A
Senior Site Reliability Engineer
Arctiq
Canada
- Contract
Arctiq is a global, intelligence-driven technology services company delivering professional and managed services across Hybrid Cloud Infrastructure, Networking & Connected Experiences,…
Added 5 days ago
KG
Forward Deployed Engineer (Python/PySpark, LLM)
K&K Global Talent Solutions INC.
Toronto, ON
- Full-time
Position: Forward Deployed Engineer (Python/PySpark, LLM)
Added 5 days ago
FI
Principal Software Engineer - Zynque
Fulfillment IQ
Toronto, ON
- Full-time
Job Title: Principal Software Engineer - Zynque

e-STORAGE

Senior Quality Assurance Engineer

Kitchener, ON, Canada

Full-time

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Job details

Job type: Full-time
Posting language: English
Posted: Sep 7, 2026

Original job description

Ready to Make a Real Impact? Join e-STORAGE!

Who We Are

Welcome to e-STORAGE, a proud member of the Canadian Solar Inc. (NASDAQ: CSIQ) family! We’re leading the way in designing, building, and integrating advanced battery energy storage systems for utility-scale projects. Our mission? To accelerate the world’s renewable energy transition and create a more sustainable, resilient energy future for everyone.

With our innovative SolBank lithium-iron phosphate battery technology and comprehensive project services, we’re not just building products we’re powering communities and making a difference worldwide.

Position Title: Senior Quality Assurance Engineer

Department: EQS

Compensation: $90,000 - $130,000 + annual bonus (paid in local currency; range varies by location)

Reports To: Development Manager

Location: Kitchener, ON (Onsite)

About the Role:

We are seeking a skilled and passionate Senior Quality Assurance Engineer to join our dynamic team and contribute to the development of an Energy Management System (EMS) for utility-grade systems. The ideal candidate will be responsible for defining and executing a quality strategy that validates critical user personas and their journeys through the EMS User Interface while ensuring system behavior is correct end-to-end. This includes not only visual UI validation, but also verification of internal service-to service behavior and communications (e.g., MQTT message flows) across the EMS. As Senior Quality Assurance Engineer for EQ-S, you will play a pivotal role in implementing, automating, and supporting the release readiness of leading-edge EMS software platforms used for energy solution digitalization and operating grid energy systems. With peers and architect, you will design and execute an end-to-end test strategy that provides high confidence across EMS workflows, combining Playwright based UI automation with validation of system interactions and telemetry between EMS services. The ideal candidate will possess exceptional skills in test automation engineering for globally distributed energy management systems and be passionate about advancing clean energy initiatives and working collaboratively in a dynamic startup like environment.

Responsibilities:

Lead, develop, execute, and implement end-to-end test strategy for EMS user workflows and system behaviors through the EMS UI.
Develop and maintain automated end-to-end tests using Playwright, ensuring coverage of core EMS workflows and business-critical scenarios.
Test and validate critical user personas and their journeys, ensuring correct role-based access, permissions, and operational flows across monitoring and control functions.
Verify system behavior not only through visual UI validation, but also internal communication through MQTT between various EMS services, validating message topics, payload integrity, sequencing, and system state transitions.
Perform regression testing for each software release to validate system stability and prevent the reintroduction of defects.
Conduct feature testing for new functionalities, verifying that all acceptance criteria and requirements are met.
Design and document test cases based on requirements, user stories, and technical specifications provided by the Company.
Create and deliver comprehensive test reports summarizing test execution results, defects identified, and recommendations for remediation.
Collaborate with development and product teams to clarify requirements, reproduce issues, and support defect resolution.
Maintain and update test automation scripts in alignment with evolving application features and architecture.
Participate in release planning and quality gates to ensure readiness for production deployment.
Support continuous improvement of automation reliability (e.g., reducing flaky tests), test execution speed, and CI/CD integration for rapid feedback and release readiness.
Adhere to Company’s quality standards, security policies, and compliance requirements throughout all testing activities.
Support cultivating a culture of accountability, transparency, and continuous learning, including clear ownership of test stability and fixing failures introduced by changes (e.g., changes impacting MQTT behaviors).
Mentor and guide other Quality Assurance and engineering team members on quality practices, testability, automation strategy, and defect prevention.
Take ownership of their work and contribute to the overall success of the organization.

Required Qualifications and Skills:

Bachelor’s degree in computer science, or related field. Advanced degree or equivalent experience preferred.
Proficient in modern test automation development using TypeScript/JavaScript, and strong understanding of web application testing methodologies.
5+ years of experience in software quality assurance, test automation, and system-level validation for complex software products.
Proven work experience developing and maintaining automated end-to-end tests using Playwright, with focus on maintainability, robustness, and high coverage of business-critical workflows.
Experience validating distributed and event-driven systems, including verification of internal communications and message flows (e.g., MQTT).
Strong experience translating requirements, user stories, and acceptance criteria into test plans, test cases, and automation coverage.
Experience performing regression testing for each release and participating in quality gates to ensure readiness for production deployments.
Hands-on experience with defect management, triage, and root-cause analysis, and the ability to collaborate effectively with cross-functional engineering teams.
Familiar with version control tools such as Git, and have experience in code collaboration CI/CD development.
Understanding of power electronics, battery management systems, and energy storage technologies is big plus.
Able to work independently on assigned tasks and escalate to surface roadblocks and risk mitigation.
Excellent communication and interpersonal skills, with the ability to effectively collaborate with cross-functional teams and communicate technical concepts to non-technical stakeholders.
Passion for clean technology innovation and building systems from scratch.
Have domain experience with software for utility scale photovoltaic or battery energy storage systems is plus.
Excellent problem-solving skills and attention to detail.
Experience with designing test strategy for end-to-end system coverage (UI + services), including test data management and environment readiness.
Knowledge of testing practices for web applications, including UI validation, API testing concepts, and automation reporting.
Familiarity with RESTful APIs and web services.
Experience with test reporting and dashboards, including automated report generation and delivery to stakeholders.
Familiarity with energy industry regulations, standards, and protocols.
Experience with agile development methodologies and modern software engineering practices.
Willingness to travel as needed to support customer engagements, and team collaboration.

e-STORAGE is Equal Opportunity Employer (EOE). Qualified applicants are considered for employment without regard to age, race, colour, religion, sex, national origin, sexual orientation, disability, or veteran status.

e-STORAGE uses AI-assisted tools during parts of the hiring process, including screening and workflow automation. All final hiring decisions are made by humans.

This is a current vacancy, and we are actively hiring for this position.

What It’s Like To Work Here

At e-STORAGE, you’re more than just an employee - you’re part of a team that values your ideas, your background, and your unique perspective. We believe that a culture of equity, diversity, and inclusion isn’t just the right thing to do - it’s the secret to our success. Here, you’ll find:

Integrity: We do what’s right, always.
Innovation: We encourage fresh thinking and bold ideas.
Quality: We take pride in delivering excellence, every time.
Customer Focus: We listen, we care, and we deliver.
Sustainability: We’re passionate about protecting our planet for future generations.

Why You’ll Love Working With Us

Join a global leader in renewable energy, backed by over 23 years of Canadian Solar experience.
Work on projects that matter - helping to build a cleaner, greener world.
Thrive in a supportive, collaborative environment where your growth is our priority.
Enjoy a competitive salary and a generous benefits package.

Want to join here is what we are looking For

The right mix of education, experience, and skills for the role.
Great communication, teamwork, and problem-solving abilities.
A true commitment to safety, ethics, and sustainability.

Your Rewards

We offer a competitive salary, performance bonuses, and a comprehensive benefits package - including health coverage, retirement plans, paid time off, and more.

#CSeSTORAGE

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More about this job

Responsibilities

Develop and execute an end-to-end quality strategy for the Energy Management System, including Playwright-based UI automation and validation of MQTT communications and system behavior. Lead regression and feature testing, document and report results, support release readiness and defect resolution, and mentor team members on quality practices.

Requirements

Requires a bachelor’s degree in computer science or a related field and at least five years of experience in software quality assurance, test automation, and system-level validation. Candidates should have strong Playwright and TypeScript/JavaScript experience, familiarity with distributed systems and MQTT, and experience with test planning, CI/CD, defect management, and cross-functional collaboration.

Skills

Playwright
TypeScript
JavaScript
End-to-End Test Automation
Quality Assurance
MQTT
Distributed Systems Testing
Regression Testing
Test Strategy
Defect Management
Root-Cause Analysis
CI/CD
Git
RESTful APIs
Test Reporting
Energy Management Systems

Benefits

Health Coverage
Retirement Plans
Paid Time Off
Performance Bonuses

Visa sponsorship

Not detected in the job text

Keywords

Energy Management System
Battery Energy Storage Systems
Utility-Scale Systems
Playwright
TypeScript
JavaScript
MQTT
End-to-End Testing
UI Automation
Distributed Systems
Event-Driven Systems
Regression Testing
Feature Testing
Test Strategy
Test Case Design
Test Data Management
Environment Readiness
CI/CD
Git
RESTful APIs
Defect Triage
Root-Cause Analysis
Agile Development
Release Readiness
Role-Based Access Control
Telemetry
Battery Management Systems
Power Electronics
Renewable Energy
Photovoltaic Systems

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