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Added 15 mins ago
SG
Software Engineer – Full-Stack (React, TypeScript, Java)
S&P Global
Toronto, ON
- Full-time
Architect and own full-stack product features end-to-end - from design and implementation through automated testing and production support - maintaining accountability for quality,…
Added 15 mins ago
UO
Associate Vice-President, International Research
University of Ottawa
Ottawa, ON · Tabaret Hall
- Full-time
…provide strategic direction and leadership in the development, implementation and monitoring of an international strategy, as well as policies and processes in the planning, conduct and…
Added 15 mins ago
UO
Lead Coordinator, Academic Affairs
University of Ottawa
Ottawa, ON · Tabaret Hall
- Full-time
…sector by actively participating in the planning, coordination, implementation, and monitoring of projects, institutional initiatives, and academic operations. Ensure that initiatives are…
Added 15 mins ago
C
Executive Director, Global Markets Trading & Financing - Business Management
CIBC
Toronto, ON
- Full-time
As Executive Director, Global Markets Trading & Financing, Business Management, you will lead the Business Management function supporting the Fixed Income, Currencies & Commodities (FICC),…
Added 15 mins ago
C
Privacy Specialist, Privacy Compliance, Access and Freedom of Information Department – Permanent Full-Time (1.0)
CHEO
Ottawa, ON
- Full-time
Lead the management of consent collection and the processing of withdrawals of consent, and/or ensure consent requirements are addressed in policies, practices, and procedures.
Added 29 mins ago
CO
Coordinator, Marketing (Performing Arts)
City of Brampton
Brampton, ON
- Full-time
…in all marketing communications. Supervise the planning and implementation of all marketing, public relations, publications programs to reach pre-determined goals to attract domestic and…
Added 29 mins ago
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SOC T3 Expert
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- Full-time
Lead complex investigations and conduct deep analysis of security events focused on rapid containment, remediation, and mitigation.
Added 29 mins ago
Senior Manager Real Estate, Project Delivery
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…contract governance boards and committees on results and issues. Lead the governance process and future…
Added 1 hour ago
R|
Research Assistant - Public Engagement
RI-MUHC | Research Institute of the MUHC | #rimuhc
Montreal, QC
- Full-time
As Research Assistant (public engagement), you will be responsible for the development, implementation, and evaluation of CADeN’s public engagement campaign. As part of this work, you will…
Added 1 hour ago
C
Director of Health, Safety & Environment
Clutch
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- Full-time
…business and a trusted advisor to the executive team. You will lead the implementation of a Safety Management System, build and lead an HSE team as Clutch’s footprint grows, and translate…
Added 1 hour ago
Gestionnaire Sénior, SSE
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Integrity. We lead by example, with humility and courage.
Added 1 hour ago
MM
Manufacturing Engineer II
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- Full-time
Assist in driving APQP, 8D Problem Solving and Corrective Actions through to completion and implementation.
Added 2 hours ago
BC
Quality and Patient Safety Consultant
Brant Community Healthcare System
Brantford, ON
- Full-time
At BCHS, we are driven by a bold vision: To Lead Beyond Care. As a two-site community hospital system in Brantford and Paris, Ontario, we serve with purpose, passion, and a deep commitment…
Added 2 hours ago
B
Senior Middleware Specialist
BuzzClan
ON · Ontario, Canada
- Contract
Proven ability to prepare comprehensive technical documentation, architecture diagrams, solution designs, configuration documents, and implementation plans.
Added 2 hours ago
J
Senior Solutions Architect
Jobgether
Canada
- Full-time
…technology environment. Working closely with B2B customers, you will lead technical discovery, present product capabilities, and translate business requirements into scalable API-based…
Added 3 hours ago
SM
RQ11734 – Business Analyst – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
Experience working in Agile or hybrid teams and supporting backlog, testing, release, and implementation activities.
Added 3 hours ago
BC
Registered Nurse- Paeds
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- Full-time
At BCHS, we are driven by a bold vision: To Lead Beyond Care. As a two-site community hospital system in Brantford and Paris, Ontario, we serve with purpose, passion, and a deep commitment…
Added 3 hours ago
Director of Health, Safety & Environment
Clutch Technologies Inc.
Mississauga, ON
…business and a trusted advisor to the executive team. You will lead the implementation of a Safety Management System, build and lead an HSE team as Clutch’s footprint grows, and translate…
Added 3 hours ago
BH
Client & Sales Lead
BeWell Health Centres
Hamilton, ON · Mississauga, ON
- Full-time
We are seeking an experienced, highly organized, and results-driven Client & Sales Lead to join our rapidly growing organization. You will take ownership of our inbound lead pipeline,…
Added 4 hours ago
DC
PRODUCTION & FACILITIES MANAGER
D. Crupi & Sons Limited
ON · Ontario, Canada
- Full-time
Work closely with Health & Safety, Human Resources, the IT Department, and the Crupi Shop for streamlined implementation of strategies and resources.
Added 4 hours ago
RM
Manager - Diagnostic Imaging
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- Full-time
…Manager will play an integral role in supporting the ongoing implementation, optimization, and governance of the EPIC system within the Diagnostic Imaging portfolio. The Integrated Manager…
Added 4 hours ago
SG
Software Engineer – Full-Stack (React, TypeScript, Java)
S&P Global
Toronto, ON
- Full-time
Architect and own full-stack product features end-to-end - from design and implementation through automated testing and production support - maintaining accountability for quality,…
Added 4 hours ago
RH
Director of Operations
RNS Health Care Services
ON · Aurora, Ontario
- Full-time
…for a collaborative leader who can turn strategy into action, lead change, strengthen operational performance, and support the delivery of quality…
Added 4 hours ago
S
Technical Consultant
SymphonyAI
UNAVAILABLE, Ontario
- Full-time
As a Technical Consultant, you’ll support the implementation and configuration of our financial crime and compliance platform across SaaS and client environments. Working from defined…
Added 5 hours ago
FH
Lead, Clinical Engagement, Meditech Expanse Project
Fraser Health
Surrey, BC
- Full-time
In partnership with the Chief Clinical Information Officer (CCIO), champions and leads the clinical transformation and implementation of the M* Expanse system. The Lead has a fundamental…

BuzzClan

Senior Middleware Specialist

ON, Canada
Ontario, Canada, Canada

Contract

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Job details

Job type: Contract
Apply by: Dec 1, 2026
Experience: Minimum 7 years of experience working with middleware and integration technologies in complex enterprise environments.
Posting language: English
Posted: Nov 1, 2026

Original job description

Position Title: RQ11527 - Senior Middleware Specialist

Location : Toronto, ON

Mode: Contract

Client: Government Services Integration Cluster

Position Overview

A successful candidate will be responsible for ensuring seamless communication and integration between enterprise applications, systems, services, and infrastructure. This role requires strong expertise in middleware platforms, enterprise service buses (ESBs), API management, messaging technologies, cloud integration, DevOps practices, and application support.

The specialist will work closely with technical teams, business stakeholders, infrastructure teams, and application support groups to deliver secure, scalable, reliable, and high-performing integration solutions within a complex enterprise environment.

Key Responsibilities

Plan, design, develop, configure, deploy, implement, maintain, and upgrade enterprise middleware products and integration solutions.
Provide technical consulting, analysis, and troubleshooting for middleware platforms, application servers, web servers, message brokers, messaging services, and adapters.
Design and implement enterprise application integration solutions using synchronous, asynchronous, REST, SOAP, event-driven, and messaging-based integration patterns.
Install, configure, administer, tune, and optimize middleware software to ensure system reliability, scalability, availability, and performance.
Support API gateways, API management platforms, enterprise service buses, and integration services.
Develop and maintain technical design documents, configurations, scripts, code, deployment artefacts, and test cases.
Troubleshoot complex application, middleware, infrastructure, security, configuration, data integrity, and recovery issues.
Conduct functional, security, load, and stress testing, analyze results, and resolve identified defects and performance issues.
Participate in change management, release management, incident management, and problem management processes.
Assess and validate technical Change Requests (CRQs), update technical documentation, and support release promotions and production implementations.
Build and maintain automated CI/CD pipelines for application builds, testing, and deployment.
Support containerization and workload orchestration using technologies such as Docker and Kubernetes.
Deploy, configure, and manage cloud-native applications and services across Azure, AWS, or other cloud platforms.
Implement application monitoring, performance management, and operational support processes.
Collaborate with cross-functional teams to ensure successful delivery of integration initiatives within established timelines and quality standards.

Mandatory Skills and Experience

Core Middleware and Integration Experience

Minimum 7 years of experience working with middleware and integration technologies in complex enterprise environments.
Demonstrated experience designing, implementing, deploying, and supporting enterprise integration solutions using middleware platforms.
Strong understanding of enterprise integration patterns, including synchronous and asynchronous communication, REST, SOAP, event-driven architecture, and messaging.
Extensive experience troubleshooting complex issues across application, middleware, infrastructure, and integration layers.
Experience supporting mission-critical enterprise applications with high availability, scalability, security, and performance requirements.
Strong analytical and problem-solving capabilities in enterprise integration environments.

Technical Skills and Experience

Hands-on expertise with middleware platforms such as:
IBM App Connect Enterprise (ACE)
IBM WebSphere
MuleSoft
Azure Integration Services
Other Enterprise Service Bus (ESB) platforms.
Experience with API Gateway and API Management platforms, including IBM API Connect and Azure API Management (APIM).
Proficiency in messaging and event-driven integration technologies such as IBM MQ, Apache Kafka, JMS, and Azure Event Grid.
Familiarity with cloud platforms, including Microsoft Azure, AWS, or Google Cloud Platform (GCP), and hybrid integration environments.
Knowledge of enterprise security and authentication protocols, including OAuth 2.0, SAML, mutual TLS (mTLS), and API key-based authentication.
Experience integrating enterprise applications and COTS platforms such as SharePoint, Microsoft Dynamics CRM, Oracle Siebel, Curam, or equivalent enterprise solutions.
Hands-on experience with scripting and automation tools such as Shell, Python, Ansible, and Terraform.
Strong understanding of CI/CD pipelines, automation, and DevOps practices within middleware and integration environments.
Experience with middleware installation, configuration, administration, system tuning, and performance optimization.

Communication and Documentation Skills

Excellent verbal and written communication skills, with the ability to collaborate effectively with technical and non-technical stakeholders.
Proven ability to prepare comprehensive technical documentation, architecture diagrams, solution designs, configuration documents, and implementation plans.
Ability to translate business integration requirements into technical specifications and scalable solution designs.
Strong stakeholder management and collaboration skills.
Demonstrated ability to lead technical discussions, coordinate with cross-functional teams, and communicate complex technical concepts clearly.

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More about this job

Responsibilities

Design, deploy, administer, and support enterprise middleware and integration solutions, including APIs, messaging, and cloud-native services. Troubleshoot complex issues, optimize performance and reliability, maintain technical documentation, and support testing, releases, and automated deployment processes.

Requirements

Requires at least seven years of experience with middleware and enterprise integration in complex environments, including hands-on expertise with middleware platforms, API management, messaging, and integration patterns. Candidates should also have cloud, security, scripting, automation, CI/CD, performance optimization, documentation, and stakeholder collaboration experience.

Skills

Middleware
Enterprise Integration
IBM App Connect Enterprise
IBM WebSphere
MuleSoft
Azure Integration Services
API Management
IBM API Connect
Azure API Management
IBM MQ
Apache Kafka
JMS
Cloud Integration
CI/CD
Docker
Kubernetes

Visa sponsorship

Not detected in the job text

Keywords

Middleware
Enterprise Integration
Enterprise Service Bus
IBM App Connect Enterprise
IBM WebSphere
MuleSoft
Azure Integration Services
IBM API Connect
Azure API Management
IBM MQ
Apache Kafka
JMS
Azure Event Grid
REST
SOAP
Event-Driven Architecture
OAuth 2.0
SAML
Mutual TLS
Microsoft Azure
Amazon Web Services
Google Cloud Platform
Shell
Python
Ansible
Terraform
CI/CD
DevOps
Docker
Kubernetes

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