Client: Ministry of Public and Business Service Delivery and Procurement – RQ11527 We are seeking a highly experienced Senior Middleware Specialist with strong expertise in middleware technologies, enterprise integration platforms, API management, messaging services, cloud platforms, and DevOps practices. The ideal candidate will have extensive experience designing, implementing, maintaining, and supporting complex enterprise integration solutions, including middleware platforms, message brokers, application servers, API gateways, and cloud-native applications. The successful candidate will be responsible for providing technical analysis, solution design, deployment, development, testing, implementation, upgrades, monitoring, and ongoing support of middleware products while ensuring high availability, security, performance, and reliability across enterprise environments. Role Snapshot
- Job Title: RQ11527 – Middleware Specialist – Senior
- Client: Ministry of Public and Business Service Delivery and Procurement
- Work

Location:
222 Jarvis Street, Toronto, Ontario, Canada
- Work Arrangement: Onsite – 5 Days per Week
- Estimated Start Date: September 21, 2026
- Estimated End Date: October 1, 2027
- Business Days: 283.00
- Extension: Probable after the initial mandate
- Hours: 7.25 hours per day
- Security Level: No Clearance Required Must Have
- Minimum 7 years of experience in middleware/integration technologies in complex enterprise environments.
- Proven experience designing, implementing, and supporting integration solutions using middleware platforms.
- Deep understanding of system integration patterns, including synchronous/asynchronous, REST, SOAP, event-driven, and messaging.
- Expertise in middleware platforms such as:
- IBM App Connect Enterprise (ACE)
- IBM WebSphere
- MuleSoft
- Azure Integration Services
- Similar Enterprise Service Bus (ESB) platforms
- Experience with API Gateway and Management platforms, such as IBM API Connect and Azure API Management (APIM). Description Responsibilities
- Provide planning, consulting, technical analysis, design, deployment, development, testing, implementation, maintenance, upgrades, and daily support of middleware products. General Skills
- Experience with web and application-tier servers.
- Experience with message brokers.
- Experience with messaging services.
- Experience with adapters.
- Experience with development frameworks and technologies.
- Experience in middleware software installation, configuration, tuning, system optimization, and administration, as well as experience with application development.
- Experience with change management and release management processes supporting the implementation of large applications.
- Experience with incident and problem management processes.
- Experience in structured methodologies for the design, development, implementation,



and maintenance of applications.
- Experience producing design artefacts, code, configurations, scripts, and test cases.
- Ability to analyse results from functional, security, load-and-stress testing and resolve reported issues.
- Ability to analyse and solve data integrity, security, configuration, and recovery issues.
- Assess and test Change Requests (CRQ) with technical content and update them as necessary.
- Ability to participate in release promotions and implementations.
- Experience with middleware and gateways.
- Experience in application monitoring and support.
- Experience with DevOps tools such as Jenkins, GitHub Actions, GitLab CI, Azure DevOps, or others.
- Experience building and maintaining automated pipelines for build, test, and deployment.
- Experience building and deploying containers and workload orchestration platforms.
- Hands-on experience with AWS, Azure, or other cloud provider platforms for deploying and managing cloud-native applications and services.
- A team player with a track record of meeting deadlines. Desirable Skills
- Knowledge and understanding of Information Management principles, concepts, policies, and practices.
- Knowledge of portal services.
- Knowledge of GO-PKI Security or similar public/private key infrastructure.
- Knowledge and understanding of the Accessibility for Ontarians with Disabilities Act (AODA) and related regulations and standards.
- Experience conducting system and application monitoring, performance monitoring, and data integrity activities in accordance with ITIL standards.
- Experience sustaining large application implementations based on the following technology products: Web and Application Servers
- Windows Internet Information Server (IIS)
- IBM HTTP Server, Apache
- IBM WebSphere Business Intelligence and Enterprise Applications
- IBM Cognos Analytics
- IBM Business Automation Workflow
- Oracle Siebel
- Oracle Analytics Server
- Oracle Intelligent Advisor
- Oracle Enterprise Business Suite (EBBS) Oracle and Database Technologies
- Oracle Database 19c (and later)
- Oracle Directory Server Enterprise Edition
- Oracle Identity Manager / Oracle Internet Directory Data Integration and Workload Automation
- Informatica Power Centre
- CTRL-M Workload Automation Monitoring and Observability Tools
- Nagios
- Prometheus
- Dynatrace
- Grafana
- SiteScope
- Other monitoring tools
- Elastic Search, Logstash, Kibana Operating Systems
- Solaris
- Windows
- AIX
- Linux (e.g.,



Red Hat Enterprise Linux) Containerization and Orchestration
- Docker
- Kubernetes
- EKS
- AKS Experience And Skill Set Requirements
- Core Skills and Experience – 40%
- Strong problem-solving skills with experience troubleshooting across multiple systems and layers, including application, middleware, and infrastructure.
- Experience supporting mission-critical systems with high availability and performance requirements.
- Technical Skills and Experience – 30%
- Proficiency in working with messaging and event platforms, such as MQ, Kafka, JMS, and Event Grid.
- Familiarity with cloud platforms (Azure, AWS, or GCP) and hybrid integration scenarios.
- Knowledge of security protocols and integration, including OAuth 2.0, SAML, mutual TLS, and API keys.
- Experience integrating with enterprise platforms such as SharePoint, Microsoft Dynamics CRM, Siebel, Coram, or other COTS solutions.
- Hands-on experience with scripting and automation, such as Shell, Python, Ansible, and Terraform, for middleware deployment and operations.
- Understanding of CI/CD pipelines and DevOps practices in integration environments.
- Communication and Documentation Skills – 20%
- Strong verbal and written communication skills with the ability to interact effectively with technical and non-technical stakeholders.
- Experience developing transparent, accurate, and comprehensive technical documentation.
- Ability to translate business integration needs into technical requirements and solution designs.
- Strong collaboration skills, with a track record of working in cross-functional teams and leading technical discussions.
- Public Sector Experience – 10%
- Relevant experience working with public sector organizations and enterprise technology environments.

How to Apply
If you are interested and

your profile
matches the requirements, kindly send the following mandatory documents to [email protected] by Tuesday, November 3, 2026, at 10:00 AM EST . Mandatory Documents
- Updated Resume in Word format (Mandatory)
- References (Mandatory)
- Expected Hourly Rate (Mandatory)
- Visa Status (Mandatory)
- LinkedIn ID (Mandatory) Without the mandatory documents, we cannot submit a candidate. WhatsApp Group For daily job updates, you can also join our WhatsApp group using the link below: Join our WhatsApp Group Additional Information This position is listed as Onsite , and the selected resource will be required to work 5 days per week onsite at the identified client

location:
Email is the best way to reach us. You have received this message either as a result of contacting our company to express interest in employment or as a result of posting your resume in a location that can be accessed by recruiters or HR specialists, which suggests an interest in being contacted about employment opportunities.

📌 – Middleware Specialist – Senior (Toronto)
🏢 S M Software Solutions
📍 Toronto