senior systems testing/qa specialist.

We are seeking a highly accomplished Senior Systems Testing/QA Specialist for an enterprise-level contract opportunity based in Toronto. In this role, you will take on a premier quality assurance and testing leadership capacity across multi-tier enterprise systems, specializing in designing test strategies, executing end-to-end testing cycles, and validating both GUI and non-GUI application components.

As a principal QA specialist, you will bridge the gap between technical leads, testing teams, and business partners throughout the complete Systems Development Life Cycle (SDLC). Operating fully onsite in Toronto, you will lead functional, non-functional, integration, cloud, and specialized user acceptance testing (UAT). This position demands a seasoned testing authority who can author automated test scripts, conduct accessibility audits, evaluate web services/APIs, and ensure high-quality software delivery across modern cloud and legacy environments.

Location: Toronto, ON

Assignment Type: Onsite

Contract Duration: 7-month contract

Advantages
Enterprise Testing Scope: Drive quality assurance across modern cloud platforms, web applications, APIs, payment gateways, and legacy mainframe architectures.

Modern Tooling Ecosystem: Utilize top-tier test management and automation tools, including Azure DevOps, Microfocus ALM, ReadyAPI, AXE, and WAVE.

Full SDLC & Methodology Depth: Apply expert testing strategies across Agile, DevOps, and Waterfall delivery frameworks.

Human-Centered Standards Leadership: Direct digital accessibility compliance auditing (AODA) and remediation across core enterprise applications.

Responsibilities
Provide expert advisory on test strategies, test plans, testing tool selections, and resource identification for enterprise system implementations.

Design, build, review, and execute comprehensive test strategies, test plans, test cases, and test scripts for GUI and non-GUI environments.

Lead and execute functional, non-functional, system integration, stress, performance, and user acceptance testing (UAT) cycles.

Perform API and Web Services testing using tools such as ReadyAPI, validating backend integrations, databases, and payment gateway services.

Conduct accessibility compliance audits and remediation using AODA standards and tools such as AXE and WAVE.

Generate and manage complex test data to support technical and business functional validation across all testing phases.

Document, track, manage, and facilitate the resolution of defects and system bottlenecks using test management tools like Azure DevOps and Microfocus ALM.

Collaborate with project leads, developers, and business stakeholders to align testing activities with delivery milestones and support operational deployment.

Qualifications
Core Requirements & Testing Mastery
QA & Testing Experience: 10+ years of progressive experience in process planning, organizing, and executing comprehensive testing efforts for large-scale systems.

Test Management Tooling: Extensive hands-on experience using test management platforms such as Azure DevOps and Microfocus ALM (12.5 or later).

Delivery Methodologies: Proven working knowledge of the Software Development Life Cycle (SDLC), including Agile, DevOps, and Waterfall methodologies.

Accessibility Auditing: Demonstrated experience conducting AODA compliance audits and remediation using tools such as AXE and WAVE.

Database & Querying Skills: Proficiency using SQL, DB2, IMS, Oracle, and data query tools to inspect databases and validate test results.

Technical Environment Capabilities
Cloud & Web Services: Hands-on experience testing within cloud environments (Microsoft Azure), web technologies (.NET, Java), and web services/APIs using ReadyAPI.

Legacy & Integration Systems: Experience testing mainframe environments (TSO/SPF), payment gateway services (MPG/EPS), and enterprise relational databases across Windows and UNIX platforms.

Automation & Scripting: Knowledge of programming languages, automated testing tools, and script development for automated test execution.

Soft Skills & Collaboration
Analytical Problem Solving: Superior analytical, decision-making, and diagnostic skills to troubleshoot and resolve complex system issues.

Communication & Interpersonal Skills: Strong written and verbal communication capabilities with a proven track record of building effective working relationships and meeting strict deadlines.

Summary
If you're interested in the "Senior Systems Testing/QA Specialist" role based in Toronto, we encourage you to apply online at
Only qualified candidates will be contacted for the next steps. We look forward to hearing from you!

Randstad Canada is committed to fostering a workforce reflective of all peoples of Canada. As a result, we are committed to developing and implementing strategies to increase the equity, diversity and inclusion within the workplace by examining our internal policies, practices, and systems throughout the entire lifecycle of our workforce, including its recruitment, retention and advancement for all employees. In addition to our deep commitment to respecting human rights, we are dedicated to positive actions to affect change to ensure everyone has full participation in the workforce free from any barriers, systemic or otherwise, especially equity-seeking groups who are usually underrepresented in Canada's workforce, including those who identify as women or non-binary/gender non-conforming; Indigenous or Aboriginal Peoples; persons with disabilities (visible or invisible) and; members of visible minorities, racialized groups and the LGBTQ2+ community.

Randstad Canada is committed to creating and maintaining an inclusive and accessible workplace for all its candidates and employees by supporting their accessibility and accommodation needs throughout the employment lifecycle. We ask that all job applications please identify any accommodation requirements by sending an email to View email address on randstad.com to ensure their ability to fully participate in the interview process.

This posting is for existing and upcoming vacancies. show more