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Added 7 hours ago
ST
Senior IT Systems Specialist
Saltworks Technologies
Richmond, BC
- $110,000 to $140,000 CAD / year
- Full-time
Saltworks Technologies has an immediate opening for a Senior IT Systems Specialist. You will own our technology infrastructure, from on-premises servers and cloud platforms to enterprise…
Added 9 hours ago
LI
Middleware Specialist
Lotus IT Solutions
Toronto, ON
- Contract
…and Business Service Delivery and Procurement, is seeking a Senior Middleware Specialist for a fully onsite engagement in Toronto. The successful consultant will provide end-to-end…
Added 12 hours ago
SM
Business Manager Operations Engineering Services
St. Michael's Hospital
Toronto, ON
- Full-time
Reporting to Senior Director of Engineering & Plant Services, the Business Manager – Operation will be responsible for overseeing daily operations and ensuring the efficiency of business…
Added 13 hours ago
E
Specialist II TIS Application Observability
Enbridge
Calgary, AB · Edmonton, AB · Toronto, ON
- Full-time
…excellence, innovation, and sustainable growth. We are seeking a Specialist II, TIS Application Observability to serve as the technical authority for our enterprise observability platform…
Added 15 hours ago
BR
Senior Systems Testing / QA Specialist – ETL & Data
BITS Recruiting
Toronto, ON
- $70 to $73 CAD / hour
- Contract
We are seeking an experienced Senior Systems Testing / QA Specialist to support a data-focused project involving data validation, ETL testing, and Monitoring & Evaluation reporting. The…
Added 15 hours ago
S
Senior Quality Assurance Engineer
StafinGo
Toronto, ON
- $60 to $75 CAD / hour
- Contract
StafinGo Is Hiring | Senior Quality Assurance Specialist – SQL & ETL Testing-Hybrid in Ontario
Added 17 hours ago
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Mortgage Specialist Associate
BMO
Vaudreuil-Dorion, QC
- Full-time
Provides administrative support by maintaining a database of third party referral sources and customers including development and maintenance of a marketing calendar.
Added 17 hours ago
M
RQ00826 - Systems Testing/QA Specialist - Senior
Maarut
Toronto, ON
- Contract
Excellent database data analysis skills using SQL.
Added 17 hours ago
M
RQ11527 - Middleware Specialist - Senior
Maarut
Toronto, ON
- Contract
Added 18 hours ago
S
Senior Security Analyst
SAP
Toronto, ON
- Full-time
SAP Enterprise Cloud Services is looking for a Senior Security Specialist with a strong technological and security background across the stack. Your focus topic will be Security Incident…
Added 18 hours ago
CO
EVENTS SPECIALIST
City of Brampton
Brampton, ON
- Full-time
Collaborate with the Senior Events Specialists in the planning and execution of City events as required.
Added 18 hours ago
M
RQ11656 - Systems Testing/QA Specialist - Senior
Maarut
Toronto, ON
- Contract
Ability to write and execute SQL queries for database validation and data-driven testing.
Added 20 hours ago
Senior Technology Specialist, Core Systems Developer
Equitable
Waterloo, ON
Design, program and test high-performance, scalable applications and database solutions
Added 22 hours ago
HO
Senior Full-Stack Developer (Senior Digital Product Developer)
House of Commons of Canada Chambre des communes du Canada
Ottawa, ON
- Full-time
The House of Commons’ Digital Services and Real Property (DSRP) is currently looking to staff the Senior Full-Stack Developer (Senior Digital Product Developer) position.
Added 23 hours ago
HO
Full-Stack Developer (Digital Product Developer)
House of Commons of Canada Chambre des communes du Canada
Ottawa, ON
- Full-time
ServiceNow certifications such as Certified System Administrator (CSA), Certified Application Developer (CAD), Certified Implementation Specialist (CIS), or equivalent.
Added 1 day ago
NB
QRM CHIEF DEVELOPER
National Bank of Canada
Toronto, ON
- Full-time
A career as a Chief Quantitative Risk Management (QRM) Developer in the IT Delivery and Capital Markets team at National Bank means acting as a specialist in supporting financial risk…
Added 1 day ago
M
RQ11753 - Data Analytical Specialist/Scientist - Senior
Maarut
Toronto, ON
- Contract
database architecture, and information visualization
Added 1 day ago
C
Communications Specialist
Cella
Toronto, ON
- $50 to $52 CAD / hour
- Contract
…regulated sector. We are seeking a Strategic Communications Specialist to join a dynamic team dedicated to developing high-priority content and executive communications. In this role, you…
Added 1 day ago
MD
WIC Administrative Assistant - Office & Administrative Specialist Senior
Minnesota Direct Care and Treatment
Saint-Paul, NB · St.-Paul, NB
- Full-time
Working Title: WIC Administrative Assistant - Office & Administrative Specialist Senior
Added 1 day ago
MD
Office & Admin Specialist Sr
Minnesota Direct Care and Treatment
Saint-Paul, NB · St.-Paul, NB
- Full-time
Job Class: Office and Administrative Specialist, Senior
Added 1 day ago
GH
Senior Proposal & Pursuit Specialist
Gow Hastings Architects
Toronto, ON
- Full-time
We have an immediate opening for a Senior Proposal and Pursuit Specialist to join our Toronto-based, award-winning architecture and interior design studio. We’re on the lookout for a…
Added 1 day ago
MS
Senior Software Quality Assurance Specialist
MSZ Systems
Toronto, ON
- Contract
Hiring: Senior Systems Testing / QA Specialist
Added 1 day ago
T
Senior Cybersecurity Specialist Vulnerability Management
TransLink
Vancouver, BC · Greater Vancouver, BC
- $100,080 to $150,120 CAD / year
- Full-time
In accordance with TransLink's vision, values and established supporting policies and standards, the Senior Cybersecurity specialist, Vulnerability Management is a resourceful and…
Added 1 day ago
System Specialist II (Field Technician Building Automation Systems BAS - Solutions), Halifax NS
Siemens
Dartmouth, NS · Halifax, NS
We are seeking and intermediate to senior level profile with proven experience working with Building Automation Systems. As a System Specialist, you are a trusted advisor, team player, and…
Added 1 day ago
II
Assistant Manager – Oracle EBS Techno-Functional
Indian Institutes of Public Health (IIPHs)
Amos, QC
- Full-time
…initiative, is governed by an independent board comprising of senior government officials, eminent Indian and International academic and leaders, civil society representatives and corporate…

Lotus IT Solutions

Middleware Specialist

Toronto, ON, Canada

Contract

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Job details

Job type: Contract
Apply by: Nov 29, 2026
Experience: Minimum 7 years of experience in middleware and integration technologies within complex enterprise environments
Posting language: English
Posted: Oct 30, 2026

Original job description

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Ref: RQ11527 Contract – 12 Months (Extension Possible) Onsite – Toronto (222 Jarvis St.)

Posted Date: 2026-10-30

Location: Onsite – Toronto (222 Jarvis St.)

Public Sector Experience: Required – OPS / Public Sector

Contract End Date: 2027-10-01 *

Rate: $98/hour

Overview

The Government Services Integration Cluster, under the Ministry of Public and Business Service Delivery and Procurement, is seeking a Senior Middleware Specialist for a fully onsite engagement in Toronto. The successful consultant will provide end-to-end planning, design, development, deployment, and daily operational support of middleware and integration solutions across a complex enterprise environment. This role is critical to sustaining mission-critical government systems and driving integration excellence across multiple platforms and stakeholders.

Key Responsibilities

Plan, design, implement, and maintain integration solutions using enterprise middleware platforms such as IBM App Connect Enterprise (ACE), IBM WebSphere, MuleSoft, or Azure Integration Services
Provide daily support, configuration, tuning, and administration of middleware products and associated infrastructure
Design and support integration patterns including synchronous/asynchronous, REST, SOAP, event-driven, and messaging-based architectures
Manage API Gateway and Management platforms (e.g., IBM API Connect, Azure APIM) including configuration and security policies
Work with messaging and event platforms such as IBM MQ, Kafka, JMS, and Azure Event Grid
Build and maintain automated CI/CD pipelines for middleware build, test, and deployment using tools such as Jenkins, GitHub Actions, GitLab CI, or Azure DevOps
Deploy and manage containerized workloads using Docker, Kubernetes, EKS, or AKS on cloud platforms (AWS, Azure, or GCP)
Perform application monitoring and support in alignment with ITIL standards, using tools such as Nagios, Prometheus, DynaTrace, Grafana, and Elasticsearch/Logstash/Kibana (ELK)
Assess and test Change Requests (CRQs) with technical content, updating documentation as necessary and participating in release promotions
Troubleshoot and resolve issues spanning application, middleware, and infrastructure layers, including data integrity, security, configuration, and recovery
Develop clear and comprehensive technical documentation and translate business integration requirements into solution designs
Collaborate with cross-functional teams and communicate effectively with both technical and non-technical stakeholders

Must-Have Requirements

Minimum 7 years of experience in middleware and integration technologies within complex enterprise environments
Proven experience designing, implementing, and supporting integration solutions using enterprise middleware platforms
Deep understanding of system integration patterns including synchronous/asynchronous, REST, SOAP, event-driven, and messaging architectures
Expertise in middleware platforms such as IBM App Connect Enterprise (ACE), IBM WebSphere, MuleSoft, Azure Integration Services, or equivalent ESBs
Experience with API Gateway and Management platforms including IBM API Connect and/or Azure APIM
Hands-on experience with messaging and event platforms (IBM MQ, Kafka, JMS, Azure Event Grid)
Strong troubleshooting skills across multiple layers including application, middleware, and infrastructure
Experience supporting mission-critical, high-availability systems with strict performance requirements

Nice-to-Have Skills

Experience integrating with enterprise COTS platforms such as SharePoint, Microsoft Dynamics CRM, Oracle Siebel, IBM Cognos Analytics, IBM Business Automation Workflow, or Curam
Familiarity with cloud platforms (Azure, AWS, GCP) and hybrid integration scenarios
Knowledge of security protocols including OAuth 2.0, SAML, mutual TLS, and API key management
Hands-on experience with scripting and automation tools such as Shell, Python, Ansible, or Terraform for middleware deployment and operations
Experience sustaining large application implementations on platforms such as Oracle Database 19c, Oracle Identity Manager, Oracle Analytics Server, Informatica PowerCenter, or CTRL-M Workload Automation
Knowledge of operating environments including Solaris, AIX, Windows, and Red Hat Enterprise Linux
Knowledge of GO-PKI Security or similar public/private key infrastructure
Familiarity with Information Management principles, portal services, and AODA regulations
Experience working within Ontario Public Sector or broader public sector environments

Work Environment

This is a fully onsite role, 5 days per week, located at 222 Jarvis St., Toronto. No security clearance is required. The role involves collaboration across cross-functional technical teams and engagement with both technical and non-technical stakeholders. CI/CD, DevOps, and Agile practices are part of the working environment.

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Final role details, responsibilities, and terms will be confirmed with shortlisted candidates. Compensation may vary based on experience. Errors and omissions excepted.

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More about this job

Responsibilities

Plan, design, implement, deploy, and operate enterprise middleware and integration solutions, including APIs, messaging, event-driven architectures, and automated deployment pipelines. Monitor and troubleshoot mission-critical systems, assess change requests, maintain technical documentation, and collaborate with technical and non-technical stakeholders.

Requirements

Requires at least seven years of experience with middleware and integration technologies, including enterprise middleware platforms, API management, messaging systems, and common integration patterns. Candidates must also have strong cross-layer troubleshooting experience and a background supporting high-availability, mission-critical systems.

Skills

Middleware Integration
IBM App Connect Enterprise
IBM WebSphere
MuleSoft
Azure Integration Services
API Management
IBM MQ
Kafka
REST And SOAP
CI/CD
Docker And Kubernetes
Cloud Integration
ITIL Monitoring
Troubleshooting
OAuth 2.0 And SAML
Technical Documentation

Visa sponsorship

Not detected in the job text

Keywords

Middleware
Enterprise Integration
IBM App Connect Enterprise
IBM WebSphere
MuleSoft
Azure Integration Services
IBM API Connect
Azure API Management
IBM MQ
Kafka
JMS
Azure Event Grid
REST
SOAP
Event-Driven Architecture
CI/CD
Jenkins
GitHub Actions
GitLab CI
Azure DevOps
Docker
Kubernetes
AWS
Azure
Google Cloud Platform
ITIL
Prometheus
Grafana
OAuth 2.0
SAML

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