Senior AI Architect & Enterprise Architecture Leader

Toast; Montreal; On-site; CAD 145,000 - 267,000; Full time

Benefits offered by this job

Health benefits

Retirement savings support

Paid time off

Flexible work arrangements

Learning budget

Path to Director/Partner

Executive exposure

Job summary

Toast is recruiting on behalf of a leading global professional services firm for a Senior Manager, Senior AI Architect based in Montreal. You will be the senior technical voice shaping end-to-end architectures that enable generative AI, intelligent agents and modern data platforms at scale, collaborating with executives and cross-functional teams.

You will lead multidisciplinary architects and engineers, define modernization roadmaps, ensure governance and security, and guide cloud-first

Qualifications

• 10+ years of experience in complex solution architecture, such as enterprise architecture, cloud, data, integration, digital platforms or technology modernization.
• Recent, significant experience with AI-native architectures, generative AI, data platforms or large-scale digital transformation.
• Proven track record as a subject matter expert on critical or strategic initiatives.
• Strong expertise designing modern data platforms, including lakehouse, data mesh, data products and data governance (quality, cataloguing, lineage, observability).
• Deep knowledge of integration patterns, including APIs, event-driven architecture, streaming, messaging, orchestration and agents.
• Experience with distributed, resilient, secure and highly available architectures.
• Deep expertise in at least one major cloud platform: Microsoft Azure, AWS or Google Cloud Platform.
• Strong understanding of cloud-first, hybrid and multi-cloud architectures.
• Hands-on experience with AI services, data engineering, MLOps/LLMOps, observability and cloud security.
• Experience with generative AI platforms, copilots, intelligent agents, orchestration tools and retrieval-augmented systems.
• Ability to balance a target-state vision with existing constraints, risk, cost, governance and delivery capacity.
• Excellent analytical and communication skills, with the ability to simplify complex architecture for non-technical audiences and influence executive decisions.
• Experience mentoring teams and upholding the architectural quality of deliverables.
• Written and spoken fluency in English, as the role serves English-speaking clients and colleagues across Canada.

Responsibilities

• Define and recommend end-to-end architectures for digital transformation, data and AI initiatives, aligned with each client’s enterprise architecture
• Design and lead secure, scalable AI-native architectures across cloud, hybrid and multi-platform environments
• Assess existing environments, including legacy systems, data platforms, cloud setups, AI/ML stacks and integration models
• Build pragmatic modernization roadmaps that fit business goals, technology constraints and each client’s ability to execute
• Define governed, scalable data architectures that support advanced analytics, generative AI and intelligent agents
• Design auditable architectures that account for performance, security, compliance, traceability, observability and governance
• Guide architectural decisions by weighing cost, scalability, resilience, performance, operability and time to value
• Design and oversee advanced integration patterns, including APIs, event-driven architectures, streaming, data mesh, orchestration, agents and intelligent workflows
• Act as a trusted advisor to executives, IT leaders, data and product teams, and business stakeholders
• Accelerate client adoption of generative AI, business copilots, autonomous agents and enterprise AI platforms
• Lead multidisciplinary teams of architects, engineers, data engineers, data scientists, and cloud, security and governance specialists
• Help evolve the firm’s offerings in AI, data architecture, cloud transformation, enterprise architecture and technology governance

Skills

AI architecture

Enterprise architecture

Data platforms

MLOps/LLMOps

Observability

Security

Governance

Executive collaboration

Tools

Azure

AWS

Google Cloud Platform

Job description

Toast is recruiting on behalf of a leading global professional services firm for a Senior Manager, Senior AI Architect based in Montreal. You will be the senior technical voice shaping end-to-end architectures that enable generative AI, intelligent agents and modern data platforms at scale, collaborating with executives and cross-functional teams.

You will lead multidisciplinary architects and engineers, define modernization roadmaps, ensure governance and security, and guide cloud-first