Enterprise Architect

Base pay range CA$140.00/hr - CA$145.00/hr

About The Role Our Client is seeking a

Senior Enterprise Architect / Strategist

to support the

CHRIS (Client Health and Related Information System)

team. The architect will lead modernization initiatives, including decomposing legacy monolithic systems, building cloud-native microservices, and defining enterprise‑grade architectures that support the

Home & Community Care (HCC) Digital Connectivity initiative . You will define strategic architecture, build modernization roadmaps, and ensure the delivery of scalable, resilient platform services across Ontario’s health ecosystem.

Key Responsibilities Architecture & Modernization

Lead the decomposition of large monolithic systems into modular, domain‑aligned microservices.

Define target‑state architectures, transition paths, and modernization strategies.

Design cloud‑native solutions leveraging containerization, orchestration, and distributed systems.

Cloud & Platform Engineering

Architect solutions using Azure App Services, API Management, and cloud‑native components.

Define platform services standards (authentication, messaging, monitoring, observability).

Ensure systems meet enterprise requirements for scalability, security, resilience, and performance.

Governance & Leadership

Develop and enforce architecture standards, governance frameworks, and reference models.

Lead cross‑functional teams and collaborate with senior stakeholders to align technical and business roadmaps.

Provide technical leadership, coaching, and guidance to engineering teams.

Integration & Delivery

Support solution, application, and integration architecture for modernized CHRIS services.

Lead build/buy evaluations for target‑state components.

Support product procurement, vendor reviews, and market evaluations.

Knowledge Transfer & Documentation

Provide full architecture documentation and conduct walkthroughs.

Ensure project materials, design artifacts, and decisions are transferred to Ontario Health teams.

Must‑Have Skills

Monolith decomposition & legacy system modernization

Microservices architecture, distributed systems & API design

Cloud platforms — especially Azure App Service, API Management, and related services

Required Technical Expertise

Deep experience with domain‑driven design (DDD)

Strong knowledge of event‑driven architecture, pub/sub, event streaming

Proficient with containerization & orchestration (Docker, Kubernetes)

Experience with data consistency patterns (eventual consistency, CQRS)

Expertise in observability (logging, tracing, metrics) and resilience patterns (circuit breakers, retries)

Familiarity with platform services (authentication, messaging, configuration)

Strong understanding of security best practices and performance optimization

Ability to define EA standards, roadmaps, governance, and reference architectures

Nice‑to‑Have Skills

API‑first strategy experience

Experience with event streaming platforms (Kafka, EventHub, etc.)

Certifications: TOGAF, SAFe, cloud architecture

Background in platform engineering, scalability planning

Public sector experience, especially healthcare (asset but not required)

Evaluation Criteria

Monolith Decomposition – Proven hands‑on experience breaking monoliths into services

Strong understanding of DDD, EDA, modernization projects

Evidence of successful migrations (metrics preferred)

Microservices Architecture – Design/implementation of microservices & distributed systems

API design, service boundaries, consistency strategies

Containerization + Kubernetes

Observability & resilience patterns

Cloud & Platform Services – Experience with Azure & platform services (API Mgmt, IAM, monitoring)

Cloud‑native design patterns

CI/CD, DevOps, scalable deployments

Governance & Leadership – Architecture governance, standards, reference models

Leading cross‑functional teams

Strong communication for roadmaps and executive presentations

TOGAF/SAFe knowledge

Key Deliverables

Strategic monolith decomposition plan

Modernization and target‑state architecture

Build vs buy evaluation and recommendations

Full solution, application, and integration architecture

Architecture documentation, artifacts, diagrams, and walkthroughs

Ongoing knowledge transfer to Ontario Health teams

Seniority level Mid‑Senior level

Employment type Contract

Job function Information Technology

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