senior systems testing/qa specialist.

We are seeking an experienced Senior Systems Testing/QA Specialist to lead and execute comprehensive quality assurance, automated testing, and data reconciliation activities for large, business-critical enterprise systems. In this role, you will be responsible for defining testing strategies, authoring detailed test plans and test cases, and executing functional, integration, regression, performance, and accessibility tests across both Graphical User Interface (GUI) and non-GUI backend environments. Leveraging your expertise in manual testing methodologies, automated test frameworks, performance tools, and defect management platforms, you will validate complex business rules, ensure data integrity across multi-tier architectures, and partner closely with cross-functional technical teams within Agile and Waterfall delivery models to ensure reliable, high-performance software implementations.

Location: Toronto, ON (Fully Onsite – 5 days/week required)

Duration: 6 months

Advantages
Comprehensive Testing Scope: Lead high-impact QA initiatives spanning manual testing, automation frameworks, performance testing, and data reconciliation.

Modern Enterprise Tooling: Hands-on test execution across Jira, Azure DevOps, Micro Focus UFT, and relational databases.

Mission-Critical Systems: Direct involvement in validating rule-driven, large-scale systems with high-rate change cycles.

Collaborative Onsite Environment: Partner directly with multidisciplinary technical teams and business stakeholders in Toronto.

Responsibilities
Provide expert guidance on overall testing strategy, test planning, selection of QA tools, and testing resource estimation.

Plan, organize, and execute end-to-end testing across GUI and non-GUI environments, covering functional, systems integration, regression, performance, load, stress, and user acceptance testing (UAT).

Develop, review, and maintain comprehensive test plans, test scenarios, test cases, and expected test results for complex business applications.

Perform data analysis, data reconciliation, validation, and verification activities across backend databases to ensure data integrity during system changes.

Develop, maintain, and execute automated test suites and performance testing scenarios using tools such as Micro Focus / OpenText UFT, Selenium, JMeter, or LoadRunner.

Integrate automated test suites into CI/CD pipelines to support continuous build and release verification.

Identify, document, reproduce, and track software defects through their full lifecycle using tools such as Jira, Bugzilla, Azure DevOps, or ALM.

Collaborate closely with developers, business analysts, and project managers during defect triage meetings to diagnose root causes and verify fixes.

Conduct accessibility compliance audits and testing in accordance with AODA and WCAG standards using tools such as JAWS, NVDA, or WAVE.

Maintain detailed test execution records, coverage matrices, and quality metrics reports for project leadership.

Qualifications
QA & Data Reconciliation Experience: Proven experience executing comprehensive software testing and data reconciliation activities for large, complex, business-critical systems (Strictly Required).

Test Design & Documentation: Demonstrated experience developing test plans, test cases, test scripts, and expected test results for complex business systems (Strictly Required).

Automated & Performance Testing: Hands-on experience developing and executing automated test scripts and performance test scenarios for large-scale enterprise environments (Strictly Required).

QA & Defect Tracking Tooling: Extensive hands-on experience with automated and manual testing tools, as well as defect tracking platforms including Jira, Bugzilla, Azure DevOps, and the Micro Focus / OpenText UFT product suite (Strictly Required).

Database & Multi-Tier Systems: Solid understanding of multi-tier web application architectures and experience querying relational databases (e.g., Oracle) for data validation (Strictly Required).

Methodologies & Life Cycle: Deep working knowledge of Agile, Scrum, and Waterfall methodologies across all phases of the Systems Development Life Cycle (SDLC) (Strictly Required).

Nice-to-Have Assets:
Prior software testing experience within the public sector or government agencies.

Practical knowledge of Accessibility for Ontarians with Disabilities Act (AODA) compliance and tools (JAWS, NVDA, WAVE).

Experience testing rule-driven business platforms or COTS engines (such as IBM Operational Decision Manager / JRules).

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.

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