Senior Applications Architect

We are seeking a highly accomplished Senior Applications Architect for an enterprise-level contract opportunity based in Toronto. In this role, you will take on a premier application architecture, data/information modeling, and technical systems leadership capacity, specializing in specifying the overall structure, logical components, and interrelationships of enterprise software solutions.

Operating fully onsite in Toronto, you will bridge the gap between strategic organizational goals, complex business processes, and modern cloud technologies. You will lead the architectural design, evaluation, and implementation of large-scale, cross-platform applications leveraging Microsoft Azure, enterprise integration middleware, microservices, and secure API frameworks. This position demands a seasoned architecture authority with extensive full-lifecycle systems design tenure, deep cloud security and networking expertise, and proven experience guiding multi-tier application infrastructure implementations in large, complex enterprise environments.

Location: Toronto, ON

Assignment Type: Onsite (5 days per week)

Contract Duration: 12-month contract (with potential for extension)

Advantages
Enterprise Azure Scope: Lead end-to-end architecture across Azure security, networking, identity, data services, and monitoring.

Modern Integration Architecture: Design robust solutions using microservices, Enterprise Service Buses (ESB), APIs, and middleware platforms.

High-Impact Systems Leadership: Define enterprise standards, reusable component models, and cross-platform application frameworks.

Long-Term Contract Engagement: Secure a 12-month contract with strong potential for ongoing extension.

Responsibilities
Define the overall structure, logical components, software layering, and interfaces for large-scale enterprise applications.

Architect, design, and oversee the implementation of cross-platform applications across distributed, multi-tier enterprise environments.

Design end-to-end cloud solutions on Microsoft Azure, covering compute, networking, identity management, data services, security guardrails, and monitoring.

Formulate enterprise integration strategies utilizing RESTful APIs, Enterprise Service Buses (ESB), microservices architectures, and middleware gateways.

Establish data and information architecture blueprints, including metadata structures, repository functions, data dictionaries, and process models.

Define quality-level metrics, non-functional requirements (NFRs), and system boundary limitations for application source code and runtime environments.

Lead the interactions and data flows between application packages, databases, legacy systems, and middleware platforms.

Produce comprehensive enterprise architecture deliverables, including conceptual, logical, and physical architecture models and documentation.

Conduct systems evaluations to assess performance, scalability, and capacity, providing architectural recommendations for system expansion or modernization.

Collaborate with business analysts, project managers, and technical leads to translate complex business needs into detailed technical and functional specifications.

Mentor technical teams, conduct architectural reviews, and guide developers and engineers throughout the delivery lifecycle.

Align application designs with ITIL processes—including incident, change, and release management—and enterprise gate review standards.

Qualifications
Core Architecture & Technical Requirements
Architecture Tenure: 10+ years of progressive professional experience in IT architecture, application design, and enterprise system integration.

Domain Expertise: Strong demonstrated track record as an Application, Data, and Information Architect in large-scale, distributed systems environments.

Microsoft Azure Mastery: Expert-level knowledge of Microsoft Azure architecture, encompassing cloud security, virtual networking, identity (Entra ID), data services, and monitoring frameworks.

Enterprise Integration: Proven expertise in API development, Enterprise Service Bus (ESB) solutions, microservices patterns, and middleware integration technologies.

Systems Analysis & Modeling: Extensive experience with data and process modeling methodologies, CASE tools, metadata management, and developing formal enterprise architecture deliverables.

Platform & Database Breadth: Demonstrated experience across multiple computing platforms, operating systems, database management systems, and communication protocols.

Education: Bachelor’s degree in Computer Science, Information Technology, or a related field.

Preferred Technical Assets & Certifications
Certifications & Advanced Education: Master’s degree or industry certifications such as TOGAF or Microsoft Certified: Azure Solutions Architect Expert are strongly preferred.

Public Sector Context: Prior enterprise architecture experience within public sector frameworks and enterprise architecture governance processes is an asset.

ITSM & Governance: Practical familiarity with ITIL processes (incident, change, and release management) and structured project stage-gate methodologies.

Soft Skills & Delivery Attributes
Strategic Leadership: Strong leadership and mentoring capabilities with the ability to influence cross-functional teams and align diverse stakeholders.

Communication & Alignment: Exceptional verbal and written communication skills with the ability to bridge technical and business perspectives for executive audiences.

Analytical Problem Solving: Superior conceptual and analytical thinking to navigate complex dependencies, evaluate trade-offs, and design resilient systems.

Summary
If you're interested in the "Senior Applications Architect" role based in Toronto, we encourage you to apply online at www.randstad.ca.
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 [email protected] to ensure their ability to fully participate in the interview process.

This posting is for existing and upcoming vacancies.