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Randstad Logo Randstad · IT - Administration

Middleware Administrator

Canada, Toronto 57.09 - 63.81 USD / Hour · Job Posted July 05, 2026
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Job Description

We are seeking a versatile Middleware Administrator for a 12-month contract in Toronto. This is a hands-on technical role focused on the installation, configuration, and proactive management of enterprise middleware technologies. As a middleware generalist, you will support both critical project work and ongoing business operations, ensuring that the integration layer remains secure, high-performing, and compliant with architectural standards.

Job Responsibility

  • Systems Administration: Lead the installation, configuration, and tuning of middleware technologies
  • Deploy and configure complex interfaces to ensure seamless data flow across systems
  • Operational Support: Diagnose and resolve production issues through expert-level troubleshooting and root-cause analysis
  • Asset Refresh & Upgrades: Manage small-to-medium middleware upgrade projects, ensuring smooth transitions during asset refresh initiatives
  • Security & Compliance: Routinely apply the latest security patches, perform comprehensive health checks, and manage SSL certificates to maintain a hardened environment
  • Performance Tuning: Proactively monitor system performance and implement tuning measures to optimize throughput and reliability
  • Documentation: Create and maintain high-quality technical documentation, including operational support guides and Buildbooks

Requirements

  • IBM Integration Suite: Minimum 5 years of experience administering IBM App Connect Enterprise (ACE) and IBM MQ
  • Application Servers: Proficiency in WebLogic 12c (and above)
  • Web Technologies: Hands-on experience with Apache, Tomcat, and Reverse Proxy configurations
  • Certificate Management: Working knowledge of SSL/TLS certificate management and security protocols
  • Bachelor's Degree in Computer Science or an applicable professional designation

Nice to have

  • Oracle Utilities: Experience with Oracle Utilities Applications (CCB, NMS, OUA, and OMA)
  • WebSphere: Administration of WebSphere Application Server
  • Job Scheduling: Experience with enterprise job schedulers such as Appworx
  • ETL & Reporting: Familiarity with SAP BO reporting, Data Services, or other ETL technologies

What we offer

  • Technology Breadth: Work across a wide array of industry-leading middleware platforms, from IBM and Oracle to open-source web technologies
  • Hybrid Flexibility: Enjoy a balanced work model with a mix of onsite collaboration in Toronto and remote work
  • Immediate Impact: Start ASAP on a long-term engagement that combines high-visibility project work with stable operational support
  • Professional Growth: Opportunity to champion new ideas and evaluate emerging middleware approaches in a complex, enterprise environment
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