Job Title: RQ09381 - Middleware Specialist - Senior Client: Ministry of Public and Business Service Delivery and Procurement Work Location:222 Jarvis St Toronto OntarioHybrid Estimated Start Date: Estimated End Date: #Business Days: 210.00 Extension: Probable after the initial mandate Hours per day or Week:7.25 hours per day Security Level:No Clearance Required Must haves:
Proven experience designing implementing and supporting integration solutions using middleware platforms
Deep understanding of system integration patterns (synchronous/asynchronous REST SOAP event-driven messaging)
Expertise in middleware platforms such as IBM App Connect Enterprise (ACE) IBM WebSphere MuleSoft Azure Integration Services or similar ESBs
Experience with API Gateway and Management platforms (e.g. IBM API Connect Azure APIM)
Description
TheSenior Middleware Specialistis responsible for the design implementation support and optimization of middleware solutions that enable seamless integration between enterprise systems applications and external partners. This role requires deep technical expertise in middleware platforms such asIBM App Connect Enterprise (ACE)WebSphereMuleSoft orsimilar ESBs and a strong understanding of integration patterns scalability and system reliability.
Working in collaboration with solution architects developers infrastructure and operations teams the specialist will ensure middleware platforms are secure stable and aligned with business and technical requirements.
Key Responsibilities
Design build and configure middleware integration solutions across multiple platforms and environments
Install upgrade and maintain middleware platforms (e.g. IBM ACE WebSphere MuleSoft) to ensure optimal performance and availability
Collaborate with development and infrastructure teams to troubleshoot integration issues perform root cause analysis and implement solutions
Ensure middleware services meet enterprise standards for security resiliency and compliance
Develop and maintain technical documentation including topology diagrams configuration settings and operational procedures
Monitor system performance logs and metrics to proactively identify and resolve issues
Implement and manage automated deployment failover and backup strategies for middleware services
Support integration with enterprise systems such asSharePointMicrosoft Dynamics CRMSiebel andCuram
Provide technical leadership and mentorship to junior integration and operations staff
Experience and Skill Set Requirements Core Skills and Experience (40%)
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 (synchronous/asynchronous REST SOAP event-driven messaging)
Strong problem-solving skills with experience troubleshooting across multiple systems and layers (application middleware infrastructure)
Experience supporting mission-critical systems with high availability and performance requirements
Technical Skills and Experience (30%)
Expertise in middleware platforms such as IBM App Connect Enterprise (ACE) IBM WebSphere MuleSoft Azure Integration Services or similar ESBs
Experience with API Gateway and Management platforms (e.g. IBM API Connect Azure APIM)
Proficiency in working with messaging and event platforms (e.g. MQ Kafka JMS Event Grid)
Familiarity with cloud platforms (Azure AWS or GCP) and hybrid integration scenarios
Knowledge of security protocols and integration (OAuth2.0 SAML mutual TLS API keys)
Experience integrating with enterprise platforms such as SharePoint Microsoft Dynamics CRM Siebel Curam or other COTS solutions
Hands-on experience with scripting and automation (e.g. Shell Python Ansible 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 clear 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
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