Middleware Specialist
- Toronto, ON, Canada
Contract
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Job details
- Job type
- Contract
- Apply by
- Experience
- Minimum 7 years of experience in middleware and integration technologies within complex enterprise environments
- Posting language
- English
- Posted
Original job description
Ref: RQ11527 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/hour
Overview
The 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 Responsibilities
- Plan, design, implement, and maintain integration solutions using enterprise middleware platforms such as IBM App Connect Enterprise (ACE), IBM WebSphere, MuleSoft, or Azure Integration Services
- Provide daily support, configuration, tuning, and administration of middleware products and associated infrastructure
- Design and support integration patterns including synchronous/asynchronous, REST, SOAP, event-driven, and messaging-based architectures
- Manage API Gateway and Management platforms (e.g., IBM API Connect, Azure APIM) including configuration and security policies
- Work with messaging and event platforms such as IBM MQ, Kafka, JMS, and Azure Event Grid
- Build and maintain automated CI/CD pipelines for middleware build, test, and deployment using tools such as Jenkins, GitHub Actions, GitLab CI, or Azure DevOps
- Deploy 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 promotions
- Troubleshoot and resolve issues spanning application, middleware, and infrastructure layers, including data integrity, security, configuration, and recovery
- Develop clear and comprehensive technical documentation and translate business integration requirements into solution designs
- Collaborate with cross-functional teams and communicate effectively with both technical and non-technical stakeholders
- Minimum 7 years of experience in middleware and integration technologies within complex enterprise environments
- Proven experience designing, implementing, and supporting integration solutions using enterprise middleware platforms
- Deep understanding of system integration patterns including synchronous/asynchronous, REST, SOAP, event-driven, and messaging architectures
- Expertise in middleware platforms such as IBM App Connect Enterprise (ACE), IBM WebSphere, MuleSoft, Azure Integration Services, or equivalent ESBs
- Experience with API Gateway and Management platforms including IBM API Connect and/or Azure APIM
- Hands-on experience with messaging and event platforms (IBM MQ, Kafka, JMS, Azure Event Grid)
- Strong troubleshooting skills across multiple layers including application, middleware, and infrastructure
- Experience supporting mission-critical, high-availability systems with strict performance requirements
- Experience integrating with enterprise COTS platforms such as SharePoint, Microsoft Dynamics CRM, Oracle Siebel, IBM Cognos Analytics, IBM Business Automation Workflow, or Curam
- Familiarity with cloud platforms (Azure, AWS, GCP) and hybrid integration scenarios
- Knowledge of security protocols including OAuth 2.0, SAML, mutual TLS, and API key management
- Hands-on experience with scripting and automation tools such as Shell, Python, Ansible, or Terraform for middleware deployment and operations
- Experience sustaining large application implementations on platforms such as Oracle Database 19c, Oracle Identity Manager, Oracle Analytics Server, Informatica PowerCenter, or CTRL-M Workload Automation
- Knowledge of operating environments including Solaris, AIX, Windows, and Red Hat Enterprise Linux
- Knowledge of GO-PKI Security or similar public/private key infrastructure
- Familiarity with Information Management principles, portal services, and AODA regulations
- Experience working within Ontario Public Sector or broader public sector environments
This 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.
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- Final role details, responsibilities, and terms will be confirmed with shortlisted candidates. Compensation may vary based on experience. Errors and omissions excepted.
More about this job
Responsibilities
Plan, design, implement, deploy, and operate enterprise middleware and integration solutions, including APIs, messaging, event-driven architectures, and automated deployment pipelines. Monitor and troubleshoot mission-critical systems, assess change requests, maintain technical documentation, and collaborate with technical and non-technical stakeholders.
Requirements
Requires at least seven years of experience with middleware and integration technologies, including enterprise middleware platforms, API management, messaging systems, and common integration patterns. Candidates must also have strong cross-layer troubleshooting experience and a background supporting high-availability, mission-critical systems.
Skills
- Middleware Integration
- IBM App Connect Enterprise
- IBM WebSphere
- MuleSoft
- Azure Integration Services
- API Management
- IBM MQ
- Kafka
- REST And SOAP
- CI/CD
- Docker And Kubernetes
- Cloud Integration
- ITIL Monitoring
- Troubleshooting
- OAuth 2.0 And SAML
- Technical Documentation
Visa sponsorship
Not detected in the job text
Categories
- Technology
- Software
- Government & Public Sector
Keywords
- Middleware
- Enterprise Integration
- IBM App Connect Enterprise
- IBM WebSphere
- MuleSoft
- Azure Integration Services
- IBM API Connect
- Azure API Management
- IBM MQ
- Kafka
- JMS
- Azure Event Grid
- REST
- SOAP
- Event-Driven Architecture
- CI/CD
- Jenkins
- GitHub Actions
- GitLab CI
- Azure DevOps
- Docker
- Kubernetes
- AWS
- Azure
- Google Cloud Platform
- ITIL
- Prometheus
- Grafana
- OAuth 2.0
- SAML