senior applications architect.

We are seeking an experienced Senior Applications Architect to lead the structural design, logical layering, and system interrelationships of enterprise-scale applications and cloud solutions. In this role, you will define application architecture frameworks, identify reusable software components, establish interface specifications, and manage complex cross-platform integrations. Working across cloud infrastructure, enterprise middleware, and database platforms, you will ensure end-to-end software scalability, performance, security, and alignment with established IT service management standards.

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

Duration: 9-month contract.

Advantages
Cloud Architecture Authority: Lead enterprise Azure architecture across security, networking, data, and microservices.

Integration Strategy Focus: Drive high-impact ESB, API, and microservices integration across distributed systems.

End-to-End Governance Leadership: Guide architectural blueprints through formal stage-gate frameworks and ITIL processes.

Predictable Onsite Synergy: Collaborate directly with technical leads in a structured, 5-day onsite workspace.

Responsibilities
Application Architecture & Design: Define the overall structure, logical components, software layering, and system interfaces for multi-tier enterprise applications.

Cloud Architecture & Security: Architect and optimize cloud infrastructure solutions on Microsoft Azure, defining security policies, network configurations, identity controls, data services, and system monitoring.

Enterprise Integration & API Strategy: Design and manage microservices architectures, ESB frameworks, RESTful APIs, and middleware connections between application packages and databases.

Cross-Platform System Management: Oversee cross-platform application execution across large distributed environments, establishing source code requirements and performance metrics.

Process & Governance Alignment: Align architectural deliverables with formal ITIL processes, specifically incident, change, release management, and PMO stage-gate frameworks.

Technical Modeling & Documentation: Develop comprehensive architectural deliverables, logical and physical models, and technical requirements documentation.

Stakeholder & Technical Leadership: Mentor engineering teams, collaborate with cross-functional technical leads, and present architectural solutions to business leadership.

Qualifications
IT Architecture Seniority: 10+ years of progressive, hands-on experience in IT architecture, system design, and complex enterprise integrations (Strictly Required).

Microsoft Azure Mastery: Deep technical expertise in Azure architecture, including cloud security, networking, identity management, data services, and monitoring (Strictly Required).

Enterprise Integration: Proven expertise in API development, enterprise service bus (ESB), microservices architecture, and middleware technologies (Strictly Required).

IT Governance & ITSM Frameworks: Strong familiarity with ITIL processes (incident, change, and release management) and formal PMO stage-gate governance protocols (Strictly Required).

Education & Certifications: Bachelor’s degree in Computer Science or Information Technology; advanced certifications (e.g., Azure Solutions Architect, TOGAF) are strongly preferred.

Nice-to-Have Assets:
Prior experience delivering IT architecture within public sector environments.

Summary
If you're interested in the "Senior Applications Architect" 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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