We are seeking an experienced Senior Middleware Specialist to lead the end-to-end upgrade, containerization, and cloud migration of mission-critical integration platforms. In this role, you will oversee the transition of core middleware components from physical appliances to containerized cloud environments on OpenShift and AWS. Working closely with cross-functional technical teams, infrastructure leads, and security groups, you will build automated deployment pipelines, implement secure integration protocols, troubleshoot complex infrastructure challenges, and ensure high system availability with minimal operational disruption.
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Location: Toronto, ON (Hybrid – 3 days in office)
Duration: 12-month contract.
Advantages
Modern Cloud Architecture: Hands-on leadership migrating physical appliance middleware to AWS and OpenShift containers.
Enterprise Tech Stack: Deep technical ownership across IBM DataPower, IBM App Connect, Java Spring Boot, and RHEL.
DevSecOps & Automation: Build automated CI/CD deployment pipelines and manage enterprise PKI/TLS security frameworks.
Balanced Hybrid Model: Enjoy work-life balance with a structured, 3-day in-office hybrid schedule in Toronto.
Responsibilities
Cloud Migration & Platform Upgrades: Execute technical upgrade and cloud migration activities across development, QA, pre-production, and production environments.
Middleware Containerization: Lead the migration of IBM DataPower from physical appliances to OpenShift Container Platform and modernize containerized integration bus applications.
CI/CD Pipeline Development: Design, build, and maintain automated deployment pipelines using AWS cloud services and OpenShift orchestration tools.
Infrastructure & Security Optimization: Implement PKI security infrastructure, digital certificates, TLS/mTLS configurations, encryption standards, and operating system upgrades (RHEL).
Logging & Integration Engineering: Redesign and deploy Full Message Body Logging (FMBL) components and Java Spring Boot microservices.
Operational Execution & Support: Author implementation runbooks, build books, and deployment guides while managing change management approvals and release processes.
Cross-Functional Collaboration: Partner with network, UNIX, cloud operations, QA, and security teams to resolve technical defects and validate platform readiness.
Qualifications
Middleware Engineering Seniority: 7–10+ years of progressive, hands-on experience in middleware engineering, integration services, and platform modernization (Strictly Required).
Core Technology Stack: Extensive hands-on experience with IBM DataPower (migrating physical appliances to OpenShift), IBM App Connect Enterprise, and Java Spring Boot microservices (Strictly Required).
AWS Cloud & Container Pipelines: Demonstrated experience with AWS cloud services and CI/CD pipeline development for containerized middleware on OpenShift (Strictly Required).
PKI & Integration Security: Deep expertise in PKI security, digital certificates, TLS/mTLS, encryption standards, and secure system-to-system communications (Strictly Required).
Mission-Critical System Support: Proven track record supporting large-scale, high-availability, highly regulated enterprise application environments (Strictly Required).
Summary
If you're interested in the "Senior Middleware Specialist" role based in Toronto, we encourage you to apply online at www.randstad.ca.
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.
This posting is for existing and upcoming vacancies.
show more
We are seeking an experienced Senior Middleware Specialist to lead the end-to-end upgrade, containerization, and cloud migration of mission-critical integration platforms. In this role, you will oversee the transition of core middleware components from physical appliances to containerized cloud environments on OpenShift and AWS. Working closely with cross-functional technical teams, infrastructure leads, and security groups, you will build automated deployment pipelines, implement secure integration protocols, troubleshoot complex infrastructure challenges, and ensure high system availability with minimal operational disruption.
Location: Toronto, ON (Hybrid – 3 days in office)
Duration: 12-month contract.
Advantages
Modern Cloud Architecture: Hands-on leadership migrating physical appliance middleware to AWS and OpenShift containers.
Enterprise Tech Stack: Deep technical ownership across IBM DataPower, IBM App Connect, Java Spring Boot, and RHEL.
DevSecOps & Automation: Build automated CI/CD deployment pipelines and manage enterprise PKI/TLS security frameworks.
Balanced Hybrid Model: Enjoy work-life balance with a structured, 3-day in-office hybrid schedule in Toronto.
...
Responsibilities
Cloud Migration & Platform Upgrades: Execute technical upgrade and cloud migration activities across development, QA, pre-production, and production environments.
Middleware Containerization: Lead the migration of IBM DataPower from physical appliances to OpenShift Container Platform and modernize containerized integration bus applications.
CI/CD Pipeline Development: Design, build, and maintain automated deployment pipelines using AWS cloud services and OpenShift orchestration tools.
Infrastructure & Security Optimization: Implement PKI security infrastructure, digital certificates, TLS/mTLS configurations, encryption standards, and operating system upgrades (RHEL).
Logging & Integration Engineering: Redesign and deploy Full Message Body Logging (FMBL) components and Java Spring Boot microservices.
Operational Execution & Support: Author implementation runbooks, build books, and deployment guides while managing change management approvals and release processes.
Cross-Functional Collaboration: Partner with network, UNIX, cloud operations, QA, and security teams to resolve technical defects and validate platform readiness.
Qualifications
Middleware Engineering Seniority: 7–10+ years of progressive, hands-on experience in middleware engineering, integration services, and platform modernization (Strictly Required).
Core Technology Stack: Extensive hands-on experience with IBM DataPower (migrating physical appliances to OpenShift), IBM App Connect Enterprise, and Java Spring Boot microservices (Strictly Required).
AWS Cloud & Container Pipelines: Demonstrated experience with AWS cloud services and CI/CD pipeline development for containerized middleware on OpenShift (Strictly Required).
PKI & Integration Security: Deep expertise in PKI security, digital certificates, TLS/mTLS, encryption standards, and secure system-to-system communications (Strictly Required).
Mission-Critical System Support: Proven track record supporting large-scale, high-availability, highly regulated enterprise application environments (Strictly Required).
Summary
If you're interested in the "Senior Middleware Specialist" role based in Toronto, we encourage you to apply online at www.randstad.ca.
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.
This posting is for existing and upcoming vacancies.
show more
