Senior Enterprise Architect - Platform Modernization

S.I. Systems Ltd.; Toronto; Hybrid; CAD 120,000 - 170,000; Full time

Job summary

S.I. Systems Ltd. seeks a Sr.

Solution Architect to govern enterprise architecture and lead platform modernization for an automotive finance client in Markham. You will oversee a broad vendor ecosystem, ensure architectural standards, and interact with executives on cloud, integration, and security decisions. You will collaborate with Salesforce, MuleSoft, and AWS teams, translate business requirements into executable designs, and drive the modernization journey from legacy on-prem to cloud/SaaS

Qualifications

• 8-10+ years in solution or enterprise architecture across apps, integration, cloud, data, and security.
• Hands-on AWS with Lambda, EC2, API Gateway; evaluate and govern vendor cloud decisions.
• Integration architecture across multi-vendor environments with APIs and middleware.
• Familiarity with MuleSoft as the API gateway and vendor API management.
• Salesforce integration experience with major platform involvement.
• Knowledge of Java, Node.js, Spring on WebSphere or on-premise servers.
• SharePoint and M365 implementation and configuration experience.
• Strong communication and executive presence; translate technical decisions for business stakeholders.
• Ability to work independently in ambiguous environments.

Responsibilities

• Evaluate and govern vendor solution designs across Salesforce, MuleSoft, AWS, WebSphere, and related systems.
• Partner with business stakeholders to translate requirements into architectural direction.
• Design and oversee integration across a complex multi-vendor stack (cloud, on-prem, SaaS).
• Drive modernization from on-premise to cloud and SaaS on AWS.
• Collaborate with major vendors on project execution and ongoing support.
• Assess AI/GenAI opportunities with risk, security, privacy, and regulatory considerations.
• Produce architecture documentation: diagrams, interfaces, and decision records.
• Contribute to IT strategy, roadmap, and annual technology budget.

Skills

Enterprise architecture

AWS cloud

Integration architecture

APIs & MuleSoft

Salesforce integration

Java / Node.js / Spring

SharePoint / M365

Executive communication

Independent work

Tools

MuleSoft

Salesforce

AWS

WebSphere

SharePoint

M365

Job description

S.I. Systems Ltd. seeks a Sr.

Solution Architect to govern enterprise architecture and lead platform modernization for an automotive finance client in Markham. You will oversee a broad vendor ecosystem, ensure architectural standards, and interact with executives on cloud, integration, and security decisions. You will collaborate with Salesforce, MuleSoft, and AWS teams, translate business requirements into executable designs, and drive the modernization journey from legacy on-prem to cloud/SaaS