This role is accountable for shaping portfolio-level architecture direction in support of Teachers' enterprise strategy. As a key architecture leader aligned to our Technology departments (Investment Technology, Investment Risk and Performance Technology, Member Services Technology, Corporate Technology, Technology Infrastructure, Enterprise Security, and Platform Engineering), this role translates enterprise strategy, principles, and standards into actionable portfolio architectures, reference models, and multi-year capability roadmaps. This is a unique opportunity to influence how technology enables our Business Technology (Investments, Member Services, Investment Risk and Reporting, Corporate) and Technology Services (Technology Infrastructure, Enterprise Security and Platform Engineering) functions.

The role acts as a strategic partner to the Business Technology / Technology Services leadership team, ensuring that architecture decisions are coherent, contemporary, secure, and value driven. Reports to the Managing Director, Enterprise Architecture and Emerging Technology. Partners closely with either the Business Technology or Technology Services leadership team for its assigned portfolio (Investments, Investment Risk & Performance, Member Services, Corporate Technology, Technology Infrastructure, Enterprise Security or Platform Engineering).

Collaborates frequently with other Enterprise Architecture peers and with senior business stakeholders through the Business Technology teams. Partners with Enterprise Data, Platform Engineering, Enterprise Security, Technology Infrastructure and the AI Centre of Excellence on shared platforms, services and controls. External engagement includes vendors, strategic technology partners, peer pension funds, and industry forums.

Develop and maintain portfolio capability maps and multi-year roadmaps aligned to business priorities, enterprise objectives, and technology modernization goals. Ensure the portfolio architecture reflects strong architectural discipline across integration, data, application, infrastructure, cloud, security, and resilience. Planning and investment Partner with Business Technology / Technology Services leaders to shape multi-year investment plans that align with architecture direction and enterprise outcomes, covering both build and run costs.

Analyze strategic options and provide leadership recommendations, making the trade-offs, risks and cost of each option explicit. Identify and communicate systemic risks, modernization opportunities, and architectural debt with clear traceability to business risk and value levers. Provide strategic architecture advice during annual planning, quarterly business reviews, and major initiative intake.

Prepare and present architectural assessments and recommendations to the Architecture Review Board (ARB), ensuring clarity of rationale, risks, options, and alignment to enterprise standards.



Accountable for the design review before the build and the operational readiness review before go-live, covering monitoring, recovery, rollback, runbooks and accepted risk. Support solution architecture teams in project initiation and delivery, ensuring designs remain aligned to approved patterns, principles, and reference architectures.

Provide steer to the business and engineering teams on adopting AI native engineering practices, advancing the delivery model to achieve efficiency and speed Patterns, reuse and AI Define and socialize reusable portfolio reference architectures, capability models, and solution patterns to ensure consistency and reduce time-to-value, publishing them in machine-readable form so that delivery tooling and coding agents can apply them. Define how AI is applied across the portfolio's systems and its delivery and identify the business processes and opportunities suited to AI-first technology delivery Sequence the technology services foundation ensuring platform, data, security and architecture capabilities are made agent-ready first for consumption by business and engineering teams Estate, currency and technical debt Establish and maintain the technology currency position for the portfolio, including lifecycle status, obsolescence exposure, vendor dependency and key-person risk, with remediation prioritized by business impact. Define how architectural debt is identified, prioritized, and systematically reduced over time, improving platform stability, maintainability, and total cost of ownership.

Ensure each ratified standard carries a clear rationalization outcome, identifying the applications, tools and infrastructure it retires and the associated run-cost benefit. Act as a trusted advisor to Business Technology / Technology Services leaders, simplifying complex architectural decisions into business-centric narratives. Support the Managing Director, Enterprise Architecture and Emerging Technology in driving architecture maturity, including metrics, stewardship forums, and continuous improvement initiatives.

Mentor solution architects and engineering leaders to elevate architectural thinking across the portfolio. Management accountability The role contributes to talent development by coaching portfolio architects, reviewing architectural work, and supporting capability uplift initiatives. The role has material influence on multi-year investment decisions, enterprise platforms, and cross-functional design choices affecting the portfolio's cost, resilience and business value.

Architectural exceptions within the portfolio,



each with a named owner and an expiry date. The following are escalated to the Managing Director, Enterprise Architecture and Emerging Technology, and the accountable owner: Decisions that carry enterprise-wide impact or material risk. Vendor selection and material commercial commitments.

University degree or equivalent in Computer Systems, Engineering, or a related field. ~ Professional architecture certification (TOGAF, SAFe Architect, or equivalent) is an asset. ~10+ years' experience in architecture or senior technology roles within complex enterprise environments. ~ Experience supporting or leading architecture governance, solution architecture oversight, and strategic planning. ~ Proven ownership of major platform decisions, including build-versus-buy, vendor selection and contract renewal positions, with options assessed and costed. ~ Proven ability to influence senior stakeholders and simplify complex issues into business-aligned narratives. ~ Experience in financial services, pension, or another regulated industry is preferred. ~ Deep understanding of technology architecture domains, including application, data, integration, cloud, infrastructure, security and resilience. ~ Strong business and technical acumen for the assigned portfolio (investments, risk and performance, member experience, corporate functions, technology infrastructure, enterprise security or platform engineering). ~ Knowledge of architectural governance, capability modelling, target-state design, and roadmap development. ~ Understanding how AI and agentic delivery change architecture practice, including patterns, guardrails, verification and cost. ~ Awareness of regulatory, fiduciary, cybersecurity, and operational risk considerations affecting financial services, including resilience, recovery and data residency obligations. ~ Strong oral, written, and interpersonal communication skills, with the ability to simplify complex technical concepts into business outcome-focused narratives. #Retirement income through a defined benefit pension plan A flexible work environment combining in office collaboration and remote working Our Flexible Travel Program gives you the option to work abroad in another region/country for up to a month each year At Ontario Teachers', diversity is one of our core strengths. We take pride in ensuring that the people we hire and the culture we create, reflect and embrace diversity of thought, background and experience. Through our Diversity, Equity and Inclusion strategy and our Employee Resource Groups (ERGs), we celebrate diversity and foster inclusion through events for colleagues to connect for professional development, networking & mentoring.

We are building an inclusive and equitable workplace where our talent is respected, accepted and empowered to be themselves. To learn more about our commitment to Diversity, Equity and Inclusion, check out Life at Teachers'.

📌 Director, Enterprise Architect, Portfolio Lead (Toronto)
🏢 Ontario Teachers'​ Pension Plan
📍 Toronto