senior systems testing/qa specialist.

We are seeking a highly accomplished Senior Systems Testing/QA Specialist to command the end-to-end quality assurance lifecycle, testing governance, and environment validation for mission-critical enterprise applications. In this role, you will take technical ownership of converting complex business blueprints and use cases into exhaustive test matrices. Operating across interconnected, high-availability multi-tier platforms, you will design automated test frameworks, establish production-readiness check structures, manage bug lifecycles, and execute rigorous system evaluations to ensure absolute software reliability, performance, and security.

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

Duration: 12-month contract.

Advantages
Principal Validation Authority: Command full system sign-off capability for high-density, 24x7 mission-critical public sector applications.

Comprehensive Technology Landscape: Expand your quality engineering resume across a diverse multi-platform landscape comprising custom in-house code, COTS products, and integrated reporting engines.

High-Visibility Stakeholder Footprint: Elevate your advisory profile by leading collaboration tracks between Business Analysts, DevOps engineers, and executive Project Managers.

Stable Collaborative Environment: Secure a predictable, fully onsite 12-month contract window optimized for real-time problem-solving and immediate system impact.

Responsibilities
Comprehensive Quality Blueprinting: Architect, document, and execute enterprise-tier test strategies, master test plans, complex scenarios, and traceability matrices mapped directly to business rules.

Automation Engineering: Design, build, and maintain scalable functional regression suites using Selenium automation engines to accelerate system validation pipelines.

Multi-Tier Testing Execution: Coordinate and run diverse validation tracks covering unit, functional, system integration (SIT), regression, backend database, load/stress, and web services testing.

Production Readiness & Checklists: Develop and validate deep-dive QA checklists throughout the release lifecycle, embedding them into final production-readiness milestones to de-risk active deployments.

User & Production Acceptance Governance: Collaborate with business Subject Matter Experts (SMEs) to guide User Acceptance Testing (UAT) and Production Acceptance Testing (PAT) tracks, securing operational sign-offs.

Defect Lifecycle Management: Isolate, document, and triage software anomalies through centralized platforms like JIRA, TestRail, and Confluence, overseeing bug reproduction and verifying engineering fixes.

Systems Triage & Debugging: Provide hands-on technical troubleshooting, systems debugging, code refactoring evaluation, and architectural optimization support within interconnected application nodes.

Vulnerability & Security Risk Auditing: Partner closely with corporate security infrastructure squads to perform application vulnerability assessments, threat evaluations, and baseline security scans.

Governance & Architecture Checkpoints: Contribute structured QA documentation, test coverage reports, and quality metrics to formal corporate architecture checkpoint reviews and gating processes.

Agile & Waterfall Delivery Leadership: Drive high-quality software delivery across varying software development lifecycles, providing technical leadership during use-case walkthroughs and sprint planning sessions.

Qualifications
Core Quality Engineering Seniority: 10+ years of progressive professional experience leading enterprise application testing, QA blueprinting, system analysis, and technical troubleshooting tracks (Strictly Required).

Selenium Automation Mastery: Proven hands-on technical proficiency designing, debugging, and executing automated test frameworks utilizing Selenium toolsets (Strictly Required).

Full-Spectrum Testing Domain Depth: Extensive, verified background executing a complete matrix of testing types, including SIT, UAT, PAT, backend database, load, web services, and performance testing (Strictly Required).

ALM & Defect Management Literacy: High level of comfort managing project backlogs, document repositories, and ticket lifecycles inside JIRA, Confluence, or TestRail ecosystems (Strictly Required).

Multi-Tier & Integrated Solution Acumen: Demonstrated experience testing multi-tier, multi-platform configurations, interconnected web/desktop/mobile front-ends, and specialized reporting structures (Strictly Required).

Systems Infrastructure & Triage Prowess: Direct professional experience performing system debugging, environment configuration, code optimization reviews, and isolating multi-component failures (Strictly Required).

Soft Skills: Superior analytical, problem-solving, and consultative communication mechanics, with an established history of managing competing priorities and leading cross-functional stakeholder alignments.

Nice to Have:
Prior professional experience delivering systems testing frameworks or navigating governance gates within a Canadian public sector branch or corporate ministry cluster.

Familiarity with public infrastructure standards concerning security, user data privacy, and digital accessibility guidelines.

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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