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Added 15 mins ago
Senior Embedded Software Designer
Kepler Communications Inc.
Toronto, ON
Full-time
We're on the hunt for a top-tier Embedded Software Engineer. Your focus will be on software development and maintenance required for both space and ground-based assets for a growing fleet…
Added 31 mins ago
Full Stack Engineer with AI
Visionsoft Inc.
Montreal, QC
Contract
We are looking for a mid-level or senior Full Stack Engineer with AI engineering experience to join Client’s team. Angular and Java are the primary technical skills for this role, supported…
Added 2 hours ago
Engineer
Toronto Hydro
Toronto, ON
As an Engineer, you provide a wide range of engineering support services that will ensure technical soundness, reliability, safety and cost effectiveness of the utility and its Electrical…
Added 3 hours ago
AI Engineer - Agents & Backend
KoraHome.ai
Toronto, ON · Greater Toronto Area, Canada
Full-time
We are looking for an AI engineer with strong backend development skills to build and improve Kora’s core assistant capabilities.
Added 3 hours ago
Senior Software Engineer- SATCOM
Photon-IV
Canada
Full-time
The Senior Software Engineer is a contract, hybrid role based in Canada, with a mix of on-site collaboration and work-from-home flexibility. This role is responsible for leading the design,…
Added 5 hours ago
Principal Construction Support Engineer
McDermott
Squamish, BC
Full-time
The Principal Construction Support Engineer is responsible for interpreting internal or external business issues and recommending best practices They will be tasked with solving complex…
Added 5 hours ago
AMR Systems Engineer
Dematic
Montreal, QC
Full-time
Able to create innovative designs for vehicle control, communication, safety, and power system schematics and troubleshoot to component level.
Added 5 hours ago
Power Electronics Controls Engineer
Daanaa
Vancouver, BC
Full-time
We are growing here at Daanaa and are looking for a Power Electronics Controls Engineer to join our R&D team. In this role, you will develop and design breakthrough control technologies for…
Added 7 hours ago
WHAT'S HAPPENING AT ADTECH
AdTech Ceramics
Engineer, BC
Full-time
Works with and supports chemical technicians on bath control testing, bath maintenance, chemical additions, wastewater treatment and DI water system.
Added 9 hours ago
Electrical Safety & Energization Lead
Ziggurat Automation Inc.
Field, BC
Full-time
Direct access to the principal engineer who designed the protection system you are energizing
Added 15 hours ago
CV & Sensor Calibration Engineer
Harvey Nash
Markham, ON
$170,000 to $195,000 CAD / year
Full-time
We're looking for a CV & Sensor Calibration Engineer to lead the development, validation, and scaling of camera and sensor calibration systems across a growing hardware fleet.
Added 15 hours ago
Professional Senior, Engineering – Hydromechanical
Trivosys Technologies LLC
Dorval, QC
Full-time
We are looking for an experienced Hydromechanical Engineer to support the design, integration, development, testing, and certification of flight control, hydraulic, and landing gear systems…
Added 15 hours ago
Senior Systems Integrator – Enterprise BAS/BMS (SIBA002)
Potenco
Toronto, ON · Greater Toronto Area, Canada
Full-time
The Senior Systems Integrator will work closely with the Solution Architect / Lead EBO Engineer, Controls Specialists, field teams, commissioning personnel, Project Managers, and other…
Added 15 hours ago
Mechanical Design Engineer
O-HIVE.AI
Windsor, ON
Full-time
We are seeking a hands-on Mechanical Engineer to support the design, prototyping, integration, and deployment of intelligent robotic and machine-vision systems.
Added 20 hours ago
Principal Instrumentation Engineer
Worley
Vancouver, BC
Full-time
The Lead Instrumentation Engineer provides technical leadership and project delivery oversight for instrumentation and control (I&C) engineering services in support of Worley and its…
Added 22 hours ago
Senior Embedded Software Designer
Kepler Communications Inc.
Toronto, ON
Full-time
We're on the hunt for a top-tier Embedded Software Engineer. Your focus will be on software development and maintenance required for both space and ground-based assets for a growing fleet…
Added 1 day ago
Senior Technical Program Manager
Warner Bros. Discovery
Ottawa, ON
Full-time
Understand modern software-delivery practices, including source control, pull requests, testing, CI/CD, observability, incident response, release strategies, and production operations.
Added 1 day ago
Software Dev Engineer II, SDX Checkout
Amazon
Vancouver, BC
- 3+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experience
Added 1 day ago
Software Development Engineer II, Ordering
Amazon
Vancouver, BC
- 3+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experience
Added 1 day ago
Associate EI&C Engineer
Veolia Environnement SA
Oakville, ON
Full-time
…design and schematics). Design the complete detailed process control documents (Control Philosophy, Control Logic & Sequence Charts) for plant operation, for assigned…
Added 1 day ago
Junior Project Operations Manager
BV GLAZING
Niagara Falls, ON
$50,000 to $80,000 CAD / year
Full-time
…From Toronto to Texas, we are vertically integrated to design, engineer, manufacture and install the complete building envelope with today’s most ambitious developers. Serving both…
Added 1 day ago
Senior Quality Process Development Engineer
Semtech
Burlington, ON · CAN - Burlington, ON
Full-time
The Senior Quality Process Development Engineer will collaborate on the design, development, and validation the statistical and machine-learning systems at the core of Semtech's quality…
Added 1 day ago
Aircraft Maintenance Engineer - "E"
Eagle Copters
Calgary, AB · Greater Calgary Metropolitan Area
Full-time
Eagle Copters is looking for motivated and hands-on Aircraft Maintenance Engineer Apprentices to join our growing maintenance team. This is an excellent opportunity for individuals…
Added 1 day ago
Supervisor, Temple Facilities Assistant - Toronto Temple
A Igreja de Jesus Cristo dos Santos dos Últimos Dias
Brampton, ON
Full-time
Maintains baptismal font filtering and water purification system, water supply, mixing valves, etc. in order to maintain necessary pH control and sanitizing levels of water as specified by…
Added 1 day ago
Instrumentation and Control Engineer
HOCS Projects
Calgary, AB
Full-time
HOCS Projects is seeking an Instrumentation and Controls Engineer/Technologist to support the successful delivery of multi-disciplinary engineering projects across the energy sector. This…

e-STORAGE

Senior Quality Assurance Engineer

Kitchener, ON, Canada

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

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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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