Applications Architect Senior

This is an onsite role in Toronto, Ontario.

• Lead the overall application architecture and technology strategy for the MLITSD 360 platform and related initiatives.
  
• Design, recommend, implement, and manage application architectures across hardware, software, databases, integrations, and communications.
  
• Architect and deliver cloud-native solutions using microservices and containerized platforms, specifically Tanzu (formerly Pivotal Cloud Foundry).
  
• Develop solution options and architectural artifacts to address complex business requirements and align with Ontario Government architecture standards.
  
• Provide architectural leadership for hybrid deployments spanning on-premises data centres and multiple cloud environments.
  
• Lead architecture reviews, assessments, investigations, and technical solution design activities.
  
• Define application architecture requirements and obtain required management and governance approvals.
  
• Develop architecture work plans, detailed solution designs, resource estimates, and implementation strategies.
  
• Provide expertise in cloud costing, licensing, and efficient utilization of program budgets.
  
• Ensure appropriate consideration of security, privacy, accessibility, and enterprise integration requirements.
  
• Design integration and communication solutions between internal system components and external systems.
  
• Participate in enterprise architecture governance and deliver artifacts aligned with the OPS Zachman Enterprise Framework.
  
• Ensure project teams follow Ministry standards, methodologies, architectural policies, and industry best practices.
  
• Provide technical leadership and guidance to Agile delivery teams.
  
• Support technical issue resolution, implementation activities, and post-production support.
  
• Contribute to project planning and collaborate with project management teams.
  
• Provide effective knowledge transfer to Ministry staff throughout the engagement.
  

• Extensive experience designing and implementing solutions in public cloud environments using:
  
• Infrastructure-as-a-Service (IaaS)
  
• Platform-as-a-Service (PaaS)
  
• Software-as-a-Service (SaaS)
  
• Strong Microsoft Azure architecture experience is highly preferred.
  
• Demonstrated experience with cloud-native technologies supporting applications containing highly sensitive data.
  
• Strong experience with:
  
• Azure App Services
  
• RESTful APIs
  
• Hybrid cloud architecture
  
• Multi-cloud deployments
  
• Demonstrated leadership in cloud security architecture and securing cloud workloads against potential threats.
  
• Ability to evaluate cloud services and recommend the most appropriate solutions for organizational requirements.
  
• Experience designing and implementing cloud networking, including:
  
• Virtual Networks (VNETs)
  
• Subnets
  
• Network peering
  
• Web Application Firewalls (WAF)
  

• Extensive experience designing and implementing microservices-based architectures.
  
• Strong experience delivering solutions using containerized platforms.
  
• Mandatory experience with Tanzu (formerly Pivotal Cloud Foundry).
  
• Experience managing large-scale programs leveraging common microservices platforms to deliver multiple integrated solutions.
  
• Experience designing scalable, resilient, and distributed application architectures.
  

• Strong experience working as a Solution/Application Architect within Agile delivery environments.
  
• Experience embedded within delivery teams, providing technical leadership and architectural guidance.
  
• Demonstrated experience leading technical delivery teams and solution implementation initiatives.
  
• Strong understanding of DevOps practices, including:
  
• Infrastructure automation
  
• Code deployment automation
  
• CI/CD pipelines
  
• Functional test automation
  
• Security testing
  
• Experience developing and implementing Blue-Green deployment strategies.
  

• Mid-Tier applications
  
• Mobile platforms
  

• Windows
  
• Linux
  

• Microsoft SQL Server
  
• Azure SQL
  
• PostgreSQL
  

• Java
  
• .NET / C#
  
• JavaScript
  
• Angular
  
• React
  
• Node.js
  

• REST APIs
  
• API Management
  
• HTTP/HTTPS
  
• TCP/IP
  
• UDP
  
• FTP
  
• SMTP
  
• Other enterprise communication protocols
  

• Microsoft SharePoint Online
  
• SharePoint On-Premises
  

• Experience developing and implementing application architectures within large, distributed, cross-platform enterprise environments.
  
• Strong understanding of enterprise architecture frameworks and governance.
  
• Experience producing architectural artifacts aligned with the OPS Zachman Enterprise Framework.
  
• Experience participating in architecture reviews across multiple architecture domains.
  
• Experience with structured methodologies for application design, development, and implementation.
  
• Strong systems analysis and design experience in large-scale enterprise environments.
  
• Experience with architecture and design tools such as:
  
• PowerDesigner
  
• Microsoft Visio
  
• Other CASE tools
  

• Experience working within Public Sector and/or large enterprise environments.
  
• Experience with enterprise architecture governance processes and committees.
  
• Knowledge of organizational IT standards, preferably Government of Ontario (GO-ITS) standards.
  
• Experience leading projects through enterprise architecture governance and review committees.
  
• Experience preparing architecture documentation and artifacts for committees such as the Ontario Government Architectural Review Board.
  
• Knowledge of MLITSD application patterns and infrastructure is considered a strong asset.
  

• Demonstrated leadership in developing and implementing complex application architectures.
  
• Strong facilitation skills with the ability to engage multiple stakeholders.
  
• Experience collaborating with business teams, technical teams, security specialists, privacy teams, accessibility specialists, management, and external vendors.
  
• Strong analytical, problem-solving, and decision-making capabilities.
  
• Excellent verbal and written communication skills.
  
• Strong presentation, documentation, interpersonal, and negotiation skills.
  
• Awareness of emerging technologies, industry trends, and architectural best practices.
  

Requirements

• Public cloud architecture using IaaS, PaaS, and SaaS
  
• Microsoft Azure
  
• Microservices architecture
  
• Containerized solution delivery
  
• Tanzu (formerly Pivotal Cloud Foundry)
  
• Cloud security architecture
  
• Hybrid cloud and on-premises integration
  
• Agile delivery methodologies
  
• DevOps, CI/CD, and automation
  
• Blue-Green deployments
  
• Azure networking (VNETs, Subnets, Peering, WAF)
  
• REST APIs and API Management
  
• Java and/or .NET/C#
  
• Angular, React, and/or Node.js
  
• MS SQL, Azure SQL, and PostgreSQL
  
• Enterprise architecture governance
  
• Public Sector or large enterprise architecture experience
  
• Ontario Government architecture standards/GO-ITS exposure
  
• Architecture documentation and governance artifacts
  
• Strong stakeholder management and technical leadership