Senior BizTalk Server 2020 specialist with experience in orchestrations, pipelines, maps, XSLT, schemas, and cloud migration. )

Our public sector client is seeking a Senior Middleware Specialist (10+ years) to support enterprise integrations using BizTalk Server 2020, Azure Integration Services, and Azure Logic Apps.

Join a large-scale enterprise integration modernization initiative supporting mission-critical transit operations. This role focuses on maintaining and optimizing BizTalk Server integrations while contributing to cloud modernization initiatives using Azure Integration Services and Azure Logic Apps. The position supports secure and reliable integrations across enterprise systems including SAP, SuccessFactors, Maximo, and CAD/AVL. The engagement includes hybrid cloud integration, CI/CD delivery, testing support, and ongoing sustainment activities.

Contract, Toronto, Hybrid, Working Hours: EST

Must Haves

- 10+ years of enterprise systems integration using .NET , C# , Web API , SQL Server , and T-SQL
- BizTalk Server 2020 including orchestrations , pipelines , maps , XSLT , schemas , and cloud migration
- Minimum 4 years of Azure Logic Apps with Azure Integration Services and Azure DevOps CI/CD
- WCF-SAP , WCF-Custom , REST , SFTP , APIs ,



and enterprise integration patterns
- Post-secondary degree/diploma in Computer Science/Engineering or equivalent experience

Nice to Have

- Microsoft Azure Developer certification
- Azure Functions, Service Bus, API Management, Cosmos DB, Azure Data Factory, Azure Storage, Azure Monitor, Application Insights, and Log Analytics
- OAuth2, Azure Key Vault, Microsoft Entra ID, managed identities, and role-based access control
- Experience supporting SAP, SuccessFactors, Maximo, and CAD/AVL integrations

Responsibilities

- Support and optimize BizTalk Server integrations across enterprise systems
- Migrate legacy BizTalk workflows to Azure Integration Services and Azure Logic Apps
- Monitor integration health, message tracking, error handling, and retry logic
- Design and deploy middleware solutions for on-premises and cloud systems
- Perform defect triage, root-cause analysis, performance tuning, and SIT/UAT support
- Maintain technical, mapping, and support documentation
- Build, test, deploy, and support Logic Apps Standard and Consumption workflows

Disclaimer: AI may be used in evaluating candidates. This posting is for an existing vacancy.

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📌 Senior BizTalk Server 2020 specialist with experience in orchestrations, pipelines, maps, XSLT, schemas, and cloud migration. (2026-031) (Toronto)
🏢 S.i. Systems
📍 Toronto