RQ11527 - Middleware Specialist - Senior

Maarut; Toronto; On-site; CAD 95,000 - 130,000; Full time

Job summary

Maarut is seeking a Senior Middleware Specialist to lead design, deployment and support of middleware solutions in a complex enterprise environment in Toronto.

You will work across IT teams to ensure high availability, performance, and secure integration with on-prem and cloud platforms. The role emphasizes DevOps practices, automation, and continuous improvement.

Strong communication with stakeholders is essential.

Qualifications

• 7+ years in middleware/integration 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

Responsibilities

• Provide planning, consulting, technical analysis, design, deployment, development, testing, implementation, maintenance, upgrades and daily support of middleware products.

Skills

Middleware experience

Integration design

REST & SOAP

Message-based integration

High availability

Troubleshooting

Documentation

Cross-functional collaboration

ITIL familiarity

SLA adherence

Tools

IBM ACE

IBM WebSphere

MuleSoft

Azure Integration Services

API Management (APIM)

Kafka

MQ

JMS

Jenkins

Job description

RQ11527 - Middleware Specialist - Senior

Posted On 30/10/2026

Term 283 days

Number of Positions 1

Work Experience 7-10 Years

City Toronto

State/Province Ontario

M4C

Job Description

Responsibilities

• Provide planning, consulting, technical analysis, design, deployment, development, testing, implementation, maintenance, upgrades and daily support of middleware products.
  

General Skills

• Experience with web and applications tier servers
  
• Experience with message brokers
  
• Experience with messaging services
  
• Experience with adapters
  
• Experience with development framework/technologies
  
• Experience in middleware software installation, configuration, tuning, system optimization and administration, as well as experience with application development
  
• Experience with change management and release management as processes supporting the implementation of large applications
  
• Experience with incident and problem management processes
  
• Experience in structured methodologies for the design, development, implementation and maintenance of applications
  
• Experience producing design artefacts, code, configurations, scripts, and test cases
  
• Ability to analyze the results from functional, security, load-and-stress testing and resolve reported issues
  
• Ability to analyze and solve data integrity, security, configuration and recovery issues
  
• Assess and test Change Requests (CRQ) with technical content and updating as necessary
  
• Ability to participate in release promotions/implementations
  
• Experience with middleware and gateways
  
• Experience on application monitoring and support
  
• Experience with DevOps tools such as Jenkins, GitHub Actions, GitLab CI, Azure DevOps, or others.
  
• Experience Building and maintaining automated pipelines for build, test, and deployment
  
• Experience building and deploying containers and workload orchestration platform
  
• Hands-on experience with AWS, Azure, or other cloud provider platform deploying and managing cloud-native applications and services
  
• A team player with a track record for meeting deadlines
  
• Knowledge and understanding of Information Management principles, concepts, policies and practices.
  
• Knowledge of portal services
  
• Knowledge of GO-PKI Security or similar public/private key Infrastructure
  
• Knowledge and understanding of Accessibility for Ontarians with Disability Act (AODA) and related regulations and standards
  
• Experience conducting system and application monitoring and performance and data integrity in accordance with ITIL standards
  
• Experience sustaining large application implementations based on the following technology products:
  
• Windows Internet Information Server (IIS)
  
• IBM HTTP Server, Apache
  
• IBM WebSphere
  
• IBM Business Automation Workflow
  
• Oracle Database 19c (and later)
  
• Oracle Directory Server Enterprise Edition
  
• Oracle Identity Manager / Oracle Internet Directory
  
• Oracle Analytics Server
  
• Oracle Enterprise Business Suite (eBS)
  
• Nagios, Prometheus, DynaTrace, Grafana,SiteScope and other monitoring tools
  
• Solaris, Windows, AIX and Linux (e.g., Red Hat Ent Linux)
  

Requirements

Experience and Skill Set Requirements

1. 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
  

2. 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
  

3. 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
  

4.Public Sector exp (10%)

Must Have:.

• 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)
  
• 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)