Applications Architect Senior

Job summary

Lead the architecture and technology strategy for the MLITSD 360 platform, focusing on cloud-native and microservices-based solutions. Design and govern complex application architectures while ensuring alignment with Ontario Government standards and security requirements.

Job details

Overview We are seeking a highly experienced Senior Applications Architect to lead the architecture and technology strategy for the MLITSD 360 platform and its associated sub-projects. The successful candidate will provide technical leadership in designing, implementing, and governing complex cloud-native, microservices-based application architectures within a large enterprise and public-sector environment. This role requires strong expertise in Azure cloud architecture, containerized microservices, Tanzu (formerly Pivotal Cloud Foundry), DevOps, hybrid cloud deployments, security, and enterprise architecture governance. This is an onsite role in Toronto, Ontario. Key Responsibilities 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. Mandatory Skills & Experience 1. Solutions & Cloud Architecture 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) 2. Microservices & Container Architecture 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. 3. Agile, DevOps & Software Delivery 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. 4. Technology Architecture Extensive experience across multiple technologies, platforms, operating systems, databases, programming languages, and communication protocols. Platforms: Mid-Tier applications Mobile platforms Operating Systems: Windows Linux Databases: Microsoft SQL Server Azure SQL PostgreSQL Programming Technologies: Java .NET / C# JavaScript Angular React Node.js Integration & APIs: REST APIs API Management HTTP/HTTPS TCP/IP UDP FTP SMTP Other enterprise communication protocols Additional Technologies: Microsoft SharePoint Online SharePoint On-Premises 5. Enterprise Architecture & Governance 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 6. Public Sector / Large Enterprise Experience 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. 7. Leadership & Stakeholder Management 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 Ideal Candidate Profile The ideal candidate is a Senior Applications Architect with deep Azure and cloud-native architecture expertise, combined with hands-on leadership experience in microservices, container platforms, and Tanzu/Pivotal Cloud Foundry. The candidate should have a proven background delivering complex enterprise solutions through Agile and DevOps methodologies and navigating architecture governance within large public-sector or enterprise organizations. Critical Must-Have Skills Candidates must demonstrate strong experience in: 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

What you’ll do

Lead the architecture and technology strategy for the MLITSD 360 platform, focusing on cloud-native and microservices-based solutions. Design and govern complex application architectures while ensuring alignment with Ontario Government standards and security requirements.

Requirements

Requires extensive experience in Azure, Tanzu/Pivotal Cloud Foundry, and microservices architecture within large enterprise or public sector environments. Must be proficient in DevOps practices, Agile delivery, and enterprise architecture frameworks like Zachman.

Listed skills

• Node.js · Preferred
• REST APIs · Preferred
• CI/CD · Preferred
• Angular · Preferred
• React · Preferred
• Java · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

• Azure Cloud Architecture
• Microservices
• Tanzu
• Pivotal Cloud Foundry
• Cloud Security
• Hybrid Cloud
• DevOps
• CI/CD
• REST APIs
• Java
• .NET/C#
• Angular
• React
• Node.js
• Enterprise Architecture Governance
• Agile Methodologies

Job areas

• Software
• Technology
• Government & Public Sector
• Management & Leadership
• Consulting