Senior Middleware Specialist

We are seeking a Senior Middleware Specialist to lead critical infrastructure modernization and platform upgrades. This role is focused on the end-to-end implementation of enterprise shared service products that have reached end-of-life status. You will spearhead remediation efforts to mitigate security risks, providing expertise from technical analysis and solution design to deployment and daily operational support. This is a mission-critical position ensuring that highly regulated services remain stable, secure, and performant.

Pay Rate: $530.6- $566.58/Diem

Advantages
- High-Impact Modernization: Lead the replacement of end-of-life technology for vital provincial infrastructure.

- Technical Leadership: Act as the primary technical authority for specialized middleware technology, guiding multiple support teams through complex implementation cycles.

- Critical Domain Expertise: Deepen your knowledge of enterprise-scale messaging standards and secure architectures in 24x7 operational environments.

- Professional Stability: Secure a long-term contract with the opportunity to shape the future state of secure information access systems.

Responsibilities
- Platform Modernization: Lead large-scale upgrade initiatives, overseeing technical execution across RHEL 7, IBM MQ, and containerized integration bus components.

- Technical Execution: Perform system preparation, configuration, optimization, and validation across all environments (Dev, QA, PST, PPE, and Production).

- Security & Compliance: Manage PKI infrastructure, digital certificates, TLS/mTLS configurations, and encryption standards to ensure secure system-to-system communication.

- Troubleshooting & Diagnostics: Provide expert-level Root Cause Analysis (RCA) for complex middleware and infrastructure challenges, ensuring message durability and persistence.

- Operational Documentation: Develop and maintain detailed build books, runbooks, and operational guides to facilitate seamless knowledge transfer.

- Collaboration: Coordinate with cross-functional teams, including UNIX, Network, Security, and QA, to ensure upgrades are executed with minimal service disruption.

- Testing Support: Support QA activities by preparing environments, resolving defects, and validating readiness for high-pressure production deployments.

Qualifications
- Middleware Mastery: 7–10+ years of hands-on experience in middleware engineering and integration services, with a proven track record of leading complex platform upgrades.

- Core Tech Stack: Deep expertise in Red Hat Enterprise Linux (RHEL), IBM MQ, IBM Integration Bus, IBM DataPower, and rsyslog processes.

- Containerization: Hands-on experience with Java Spring Boot microservices in containerized environments.

- Mission-Critical Experience: 5+ years supporting large-scale environments, preferably in highly regulated sectors like healthcare or public service.

- Networking & Infrastructure: Solid understanding of IP networking, routing, firewalls, and Windows/Linux server administration.

- Messaging Standards: Familiarity with integration standards such as HL7 (v2, v3, FHIR) or SOAP-based messaging is a significant advantage.

- ITIL Proficiency: Strong adherence to ITIL processes for incident, problem, and change management.

Summary
If you are an expert in IBM MQ and DataPower with a passion for leading enterprise-level platform upgrades, we encourage you to apply today!

Only qualified candidates will be contacted for the next steps. We look forward to hearing from you.

Randstad Canada is committed to fostering a workforce reflective of all peoples of Canada. As a result, we are committed to developing and implementing strategies to increase the equity, diversity and inclusion within the workplace by examining our internal policies, practices, and systems throughout the entire lifecycle of our workforce, including its recruitment, retention and advancement for all employees. In addition to our deep commitment to respecting human rights, we are dedicated to positive actions to affect change to ensure everyone has full participation in the workforce free from any barriers, systemic or otherwise, especially equity-seeking groups who are usually underrepresented in Canada's workforce, including those who identify as women or non-binary/gender non-conforming; Indigenous or Aboriginal Peoples; persons with disabilities (visible or invisible) and; members of visible minorities, racialized groups and the LGBTQ2+ community.

Randstad Canada is committed to creating and maintaining an inclusive and accessible workplace for all its candidates and employees by supporting their accessibility and accommodation needs throughout the employment lifecycle. We ask that all job applications please identify any accommodation requirements by sending an email to accessibility@randstad.ca to ensure their ability to fully participate in the interview process.