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Added 34 mins ago
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Linear Programming Engineer- Candidate must relocate to Saudi Arabia
aramco
Calgary, AB
- Full-time
We are seeking a Refining & Optimization Specialist with specialization in the use of linear programming (LP) tools for the optimization of refining process units to join our Operation…
Added 1 hour ago
LT
Talent Acquisition Specialist/Sourcer
LMI Technologies
Burnaby, BC
- Full-time
LMI is seeking a collaborative, proactive Talent Acquisition Specialist/Sourcer to join our global HR team. In this role, you will play a critical part in supporting our growth by building…
Added 2 hours ago
T
Account Manager
Tru
Toronto, ON
- Full-time
Strategic Account Planning: Support and lead Quarterly Business Reviews, account planning sessions, and the development of short- and long-term marketing and technology roadmaps aligned to…
Added 2 hours ago
HM
Family Practitioner/General Practitioner
Health Match BC
Kelowna, BC
- Full-time
Business Support – Physician will oversee business aspects and MOA management while focusing on ongoing, longitudinal patient care.
Added 3 hours ago
L
Murex specialist
Luxoft
Toronto, ON
- $6,000 to $11,000 CAD / month
- Full-time
Provide services in the domain of system integration, business intelligence and data flows through the full lifecycle of the MX.3: requirements analysis, configuration build, installation,…
Added 3 hours ago
CW
Business Development Specialist, full-time position
City Wide Facility Solutions
Vancouver, BC
- $43,000 to $55,000 CAD / year
- Full-time
The primary responsibility of the Business Development Specialist is to make B2B outbound sales calls to prospective clients (offering janitorial and non-janitorial services), qualify…
Added 3 hours ago
CW
Business Development Specialist, full-time position
City Wide Facility Solutions
Burnaby, BC
- $43,000 to $55,000 CAD / year
- Full-time
The primary responsibility of the Business Development Specialist is to make B2B outbound sales calls to prospective clients (offering janitorial and non-janitorial services), qualify…
Added 3 hours ago
C
Spécialiste de remboursement Bilingue/Reimbursement Specialist
Cencora
Quebec, QC
- Full-time
This role is in support of Cencora's patient and provider support and pharma commercialization services in Canada marketed through our Innomar Strategies business.
Added 3 hours ago
GF
Corporate Account Manager - Toronto or Southwestern ON
GoodLife Fitness
London, ON
- Full-time
The Corporate Account Manager role is responsible for generating revenue for GoodLife Fitness by establishing new business-to-business partnerships within an assigned territory for GoodLife…
Added 3 hours ago
D
Senior investigations advisor
Desjardins
Levis, QC · Montreal, QC · Complexe Desjardins Montréal
- Full-time
…skills and comprehensive, detailed knowledge of your line of business and the organization. Coordination is critical. You interact with many stakeholders working in a wide range of fields.…
Added 3 hours ago
D
Senior Advisor, Operational efficiency
Desjardins
Levis, QC · Montreal, QC
- Full-time
As a senior operational efficiency advisor, you help design and improve business processes and operations based on business models and organizational structures to boost operational…
Added 4 hours ago
ML
Industrial Engineering Specialist - Contract
Maple Leaf Foods Inc
Mississauga, ON
- $71,000 to $103,000 CAD / year
- Contract
…improvement, as well as working on exciting opportunities to support medium / long-term strategic initiatives within Maple Leaf Foods. You will be partnered with a variety of stakeholders…
Added 4 hours ago
HT
Advanced Applications Blow Molding Specialist
Husky Technologies
Bolton, ON
- Full-time
Title: Advanced Applications Blow Molding Specialist
Added 4 hours ago
EA
Workforce Management and Quality Assurance Specialist
Europ Assistance Canada
Toronto, ON
- Full-time
We are seeking a Workforce Management & Quality Assurance Specialist to support operational performance across our contact centre, claims, and assistance operations. This role is…
Added 5 hours ago
BT
Senior Tax Analyst
Baker Tilly Canada
Peterborough, ON
- Full-time
…strong relationships. From audit and tax to consulting and specialist advisory services, we help clients navigate complexity and seize opportunity with…
Added 5 hours ago
B
Senior Middleware Specialist
BuzzClan
ON · Ontario, Canada
- Contract
The specialist will work closely with technical teams, business stakeholders, infrastructure teams, and application support groups to deliver secure, scalable, reliable, and high-performing…
Added 6 hours ago
TS
Customer Service Specialist
TCL Supply Chain (Supply Chain)
Acheson, AB
- Temporary
Assist Business Development Manager with account growth strategy
Added 8 hours ago
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Incident Response Specialist
Swoon
Toronto, ON
- Contract
We're Hiring: Incident Response Specialist – Cybersecurity
Added 8 hours ago
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Procurement Specialist
Calian in Space & Technology
Ottawa, ON
- Full-time
We are seeking a highly skilled and results-driven Procurement Specialist. The successful candidate will manage indirect procurement categories, develop supplier relationships, and lead…
Added 8 hours ago
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Client Engagement Associate
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Port Mcneill, BC
- Full-time
As a member of the Personal and Business Banking Team, you'll work in a fast-paced Banking Centre, leveraging your knowledge of financial services products to support clients with their…
Added 8 hours ago
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Workforce Management and Quality Assurance Specialist
Redion
Toronto, ON
- $75,000 to $80,000 CAD / month
- Full-time
We are seeking a Workforce Management & Quality Assurance Specialist to support operational performance across our contact centre, claims, and assistance operations. This role is…
Added 8 hours ago
TW
Manager, Wealth Advice and Planning
Thrive Wealth Management
Regina, SK
- Full-time
…play a key role in providing leadership, direction and ongoing support to the Wealth Specialist or Advisory team. You will be leading high-performing teams to deliver sustainable growth,…
Added 8 hours ago
TW
Financing Specialist
Thrive Wealth Management
Regina, SK
- Full-time
As a Financing Specialist you are responsible for strong business, financial, and credit analysis to provide enhanced solutions and recommendations that support our members' financial goals…
Added 8 hours ago
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Compliance Risk Investigations Specialist
Thrive Wealth Management
Regina, SK
- Full-time
We’re looking for Compliance Risk Investigations Specialists to join our Compliance team. In this role, you’ll support second line compliance oversight activities across Anti-Money…
Added 8 hours ago
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Senior Business Support Specialist
Thrive Wealth Management
Regina, SK
- Full-time
We’re looking for a motivated and dependable team player to come on board as a Senior Business Support Specialist. In this role you will help deliver administrative support to our…

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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