Metrolinx is connecting communities across the Greater Golden Horseshoe. Metrolinx operates GO Transit and UP Express, as well as the PRESTO fare payment system. We are also building new and improved rapid transit, including GO Expansion, Light Rail Transit routes, and major expansions to Toronto’s subway system, to get people where they need to go, better, faster and easier. Metrolinx is an agency of the Government of Ontario.

At Metrolinx, equity, diversity and inclusion are essential to living our values of serving with passion, thinking forward and playing as a team.

PRESTO is an electronic transit fare payment system in the Greater Toronto, Hamilton and Ottawa areas that eliminates the need for tickets, passes and cash. PRESTO serves more than 5 million customers across 11 transit agencies and processes over $2.5 billion in fares through 67 million boardings per month (pre-pandemic). Today, PRESTO offers one of the most globally advanced fare payment systems in the world having delivered new ways to pay for customers, including real time PRESTO Contactless with credit and Interac debit and PRESTO in Mobile Wallet across its transit agency clients, including the Toronto Transit Commission (TTC). Enhancing the customer experience through continuous improvement while working with our transit agency clients to support their needs, and maintaining a system that performs exceptionally, continue to drive PRESTO toward making transit better for all.

The Solution Architect leads the architecture and design of complex, end-to-end technology solutions across applications, platforms, cloud services, integrations, data, security and, where applicable, integrated hardware and endpoint technologies.

Working with Product and Platform Owners,



business stakeholders, delivery teams, clients and vendor partners, the role translates business and technical requirements into secure, scalable, resilient, maintainable and supportable solutions aligned with organizational architecture standards and technology roadmaps.

The Solution Architect provides technical leadership throughout the solution lifecycle, from ideation and requirements through design, integration, testing, implementation and operational transition, while supporting lifecycle management and continuous improvement.

What will I be doing?

Functional/Technical

- Develop high-level and detailed end-to-end solution architectures and technology roadmaps across software and hardware technologies.
- Translate business and technical requirements into architecture, design, integration and implementation approaches.
- Define and apply architecture standards, patterns and best practices and conduct architecture and design reviews.
- Design and oversee integration across applications, APIs, platforms, networks, cloud services, third-party solutions and integrated hardware, where applicable.
- Ensure solutions meet requirements for security, scalability, reliability, performance, resilience, interoperability, maintainability and supportability.
- Provide technical leadership through prototyping, development, integration, testing,



implementation and production transition.
- Define technical verification and validation expectations and review solution designs, test strategies and vendor technical deliverables.
- Evaluate technology options and communicate technical perks, risks, costs, dependencies and trade-offs.
- Ensure technology decisions consider lifecycle, supportability, compatibility, obsolescence and future technology evolution.
- Research emerging technologies and recommend opportunities for modernization and continuous improvement.

Customer/Stakeholder

- Collaborate with Product, Platform, Engineering, Operations, Cybersecurity, Delivery, Procurement and business stakeholders to develop effective technology solutions.
- Lead technical solutioning in complex cross-functional and multi-vendor environments.
- Facilitate technical discussions, architecture workshops and design decisions across internal and external stakeholders.
- Provide strategic technical advice regarding architecture direction, technology choices, risks and implementation options.
- Support technical requirements, specifications, procurement evaluations and vendor solution assessments.

Operational Excellence

- Ensure architecture incorporates appropriate monitoring, observability, security, resilience, recoverability and operational support capabilities.
- Support production readiness, technical troubleshooting and root-cause analysis of complex cross-system issues.
- Identify architectural risks, technical debt and opportunities for standardization or modernization.
- Develop reusable architecture standards, reference patterns and technical guidelines.
- Suppor

📌 Solutions Architect (Canada)
🏢 MX Career Site
📍 Canada