Middleware Specialist
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Our client requires a middleware specialist to lead the modernization and migration of a large-scale enterprise integration platform to AWS, including containerization, middleware upgrades, cloud deployment, and platform modernization initiatives. Resource will provide end-to-end middleware expertise across solution design, implementation, CI/CD automation, testing, deployment, operational support, and production readiness while collaborating with cross-functional technical and business teams. The position requires strong experience with AWS, OpenShift, IBM DataPower, IBM App Connect Enterprise, RHEL, Java/Spring Boot, enterprise integrations, and system upgrades for mission-critical health services.
Work is hybrid with 3 days per week onsite at client location in Toronto, ON.
Toronto, Ontario (Hybrid)
Responsibilities
Duties & Deliverables Include:
- Migration of IBM DataPower from physical form factor to container
- Upgrade of operating system, such as, Red Hat Enterprise Linux (RHEL)
- Upgrade of HIAL Integration Bus (HIB) containerized applications
- Redesign and implementation of Full Message Body Logging (FMBL) components and servers
- Perform hands on upgrade and deployment activities across all the Agency environments, including Development, QA, PST, PPE, and Production, ensuring consistency, stability, and alignment with enterprise standards.
- Coordination across cross functional support teams, including Cloud Operation team, Virtual Infrastructure & UNIX teams, Middleware Support, Network Services, Backup & Storage, and Quality Assurance, to ensure efficient planning, execution, and validation of all upgrade activities
- Development and maintenance of implementation plans, rollout procedures, runbooks, operational guides, build books, health check procedures, status reporting, and change/release management documentation to support production deployment and operational transition.
Mandatory Requirements
- 7–10+ years of progressive, hands on experience in middleware engineering, integration services, or related technical domains, with a demonstrated ability to lead complex platform upgrades and modernization initiatives.
- Proven experience supporting and sustaining large scale, mission critical application environments across diverse technology stacks, preferably within highly regulated sectors such as healthcare or public service.
- Hands on expertise in the following technology stack: IBM DataPower (migrating from physical appliance to OpenShift Container Platform), and IBM App Connect Enterprise, Java Spring Boot microservices.
- Hands-on experience with AWS cloud services and CI/CD pipeline development for deploying, automating, and managing containerized middleware solutions, including IBM DataPower, on OpenShift or cloud-native platforms.
- In depth knowledge of PKI security infrastructure, digital certificates, TLS configurations, encryption standards, and enterprise network architecture, with proven troubleshooting expertise in secure system to system communication.
Desirable Requirements
- Public Sector experience is nice to have
- Solid experience with system administration and networking, including Windows Server and Linux environments, IP networking, routing, and firewall concepts, with the ability to diagnose and resolve infrastructure level issues.
- Familiarity with healthcare integration standards such as HL7v3 (asset), with additional exposure to related formats like HL7v2, FHIR, or SOAP based healthcare messaging considered an advantage.
- Strong understanding of Information Management principles, including data governance, information lifecycle management, security policies, and compliance practices.
- Working knowledge of quality assurance practices, including test planning, defect management, risk assessment, and validation of middleware or integration components.
- Experience with system monitoring, performance tuning, capacity planning, and ensuring data integrity, following ITIL processes for incident, problem, and change management.
- Ability to collaborate effectively with cross functional teams, providing leadership, technical guidance, and subject matter expertise in middleware technologies and integration patterns.
Job Posting ID: 57018
Location: Toronto, Ontario (Hybrid)
Estimated Starting Date: Sep 21, 2026
Estimated End Date: till Sep 20, 2027 + pos. extension
Posting Closing Date: August 26, 2026
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