Contract - 12 Months (Extension Possible) | Onsite - Toronto (222 Jarvis St.) | Posted Date: 2026-10-30 | Location: Onsite - Toronto (222 Jarvis St.) | Public Sector Experience: Required - OPS / Public Sector | Contract End Date: 2027-10-01 | Rate: $98/hourOverviewThe Government Services Integration Cluster, under the Ministry of Public and Business Service Delivery and Procurement, is seeking a Senior Middleware Specialist for a fully onsite engagement in Toronto. The successful consultant will provide end-to-end planning, design, development, deployment, and daily operational support of middleware and integration solutions across a complex enterprise environment. This role is critical to sustaining mission-critical government systems and driving integration excellence across multiple platforms and stakeholders.Key ResponsibilitiesPlan, design, implement, and maintain integration solutions using enterprise middleware platforms such as IBM App Connect Enterprise (ACE), IBM WebSphere, MuleSoft, or Azure Integration ServicesProvide daily support, configuration, tuning, and administration of middleware products and associated infrastructureDesign and support integration patterns including synchronous/asynchronous, REST, SOAP, event-driven, and messaging-based architecturesManage API Gateway and Management platforms (e.G., IBM API Connect, Azure APIM) including configuration and security policiesWork with messaging and event platforms such as IBM MQ, Kafka, JMS, and Azure Event GridBuild and maintain automated CI/CD pipelines for middleware build, test, and deployment using tools such as Jenkins, GitHub Actions, GitLab CI, or Azure DevOpsDeploy and manage containerized workloads using Docker, Kubernetes, EKS, or AKS on cloud platforms (AWS, Azure,



or GCP)Perform application monitoring and support in alignment with ITIL standards, using tools such as Nagios, Prometheus, DynaTrace, Grafana, and Elasticsearch/Logstash/Kibana (ELK)Assess and test Change Requests (CRQs) with technical content, updating documentation as necessary and participating in release promotionsTroubleshoot and resolve issues spanning application, middleware, and infrastructure layers, including data integrity, security, configuration, and recoveryDevelop clear and comprehensive technical documentation and translate business integration requirements into solution designsCollaborate with cross-functional teams and communicate effectively with both technical and non-technical stakeholdersMust-Have RequirementsMinimum 7 years of experience in middleware and integration technologies within complex enterprise environmentsProven experience designing, implementing, and supporting integration solutions using enterprise middleware platformsDeep understanding of system integration patterns including synchronous/asynchronous, REST, SOAP, event-driven, and messaging architecturesExpertise in middleware platforms such as IBM App Connect Enterprise (ACE), IBM WebSphere, MuleSoft, Azure Integration Services, or equivalent ESBsExperience with API Gateway and Management platforms including IBM API Connect and/or Azure APIMHands-on experience with messaging and event platforms (IBM MQ, Kafka, JMS,



Azure Event Grid)Robust troubleshooting skills across multiple layers including application, middleware, and infrastructureExperience supporting mission-critical, high-availability systems with strict performance requirementsNice-to-Have SkillsExperience integrating with enterprise COTS platforms such as SharePoint, Microsoft Dynamics CRM, Oracle Siebel, IBM Cognos Analytics, IBM Business Automation Workflow, or CuramFamiliarity with cloud platforms (Azure, AWS, GCP) and hybrid integration scenariosKnowledge of security protocols including OAuth 2.0, SAML, mutual TLS, and API key managementHands-on experience with scripting and automation tools such as Shell, Python, Ansible, or Terraform for middleware deployment and operationsExperience sustaining large application implementations on platforms such as Oracle Database 19c, Oracle Identity Manager, Oracle Analytics Server, Informatica PowerCenter, or CTRL-M Workload AutomationKnowledge of operating environments including Solaris, AIX, Windows, and Red Hat Enterprise LinuxKnowledge of GO-PKI Security or similar public/private key infrastructureFamiliarity with Information Management principles, portal services, and AODA regulationsExperience working within Ontario Public Sector or broader public sector environmentsWork EnvironmentThis is a fully onsite role, 5 days per week, located at 222 Jarvis St., Toronto. No security clearance is required. The role involves collaboration across cross-functional technical teams and engagement with both technical and non-technical stakeholders. CI/CD, DevOps, and Agile practices are part of the working environment.Final role details, responsibilities, and terms will be confirmed with shortlisted candidates. Compensation may vary based on experience. Errors and omissions excepted.#J-18808-Ljbffr

📌 11838 - C$98 An Hour (Winnipeg)
🏢 Government Services Integration Cluster
📍 Winnipeg