Apply now

Posted 7 days ago

Senior Middleware Specialist

@ modis

Toronto, Ontario

ContractTemporary7+ years experience
Apply now
SIGNALS

Overview

Akkodis is hiring a Senior Middleware Specialist on a one-year contract in Toronto to design, build, maintain and support enterprise integration services and middleware platforms. The role is provisionally onsite, 7.25 hours per day between 8:00 AM and 5:00 PM, Monday to Friday, and is offered only to incorporated B2B consultants.

Responsibilities:

  • Develop and maintain secure enterprise system integrations
  • Troubleshoot complex integration and middleware performance issues
  • Support middleware deployment, monitoring and optimization
  • Take part in release, incident, change and problem management
  • Produce operational, deployment, RCA and knowledge transfer documentation

Requirements summary:

  • Minimum 7 years of middleware and integration experience
  • Experience designing and supporting integration solutions on middleware platforms
  • Understanding of REST, SOAP, event-driven and messaging integration patterns
  • Expertise in IBM ACE, WebSphere, MuleSoft, Azure Integration Services or similar ESBs
  • Experience with API gateway and management platforms such as IBM API Connect or Azure APIM
  • Security clearance required

Tools & skills

Source and dates

Employer career site / ATS feed · careerpage

Employer posting date
2026-10-30
First seen by our source
2026-10-30
Source record updated
2026-10-30

These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.

Job details

SenioritySenior
DepartmentSoftware development
Experience7+ years
Hours per week36.25
Scheduleday
Travelair: none · ground: none
Work settingOffice, Client sites
PositionMostly sitting
Physical demandsphysical low · computer high
LanguagesEnglish
Security clearanceOther clearance

Summary and details written by AI from the posting; the employer’s posting is the authority.

FieldValue
Open jobs on Jobsy100
Job description

Position: Senior Middleware Specialist

Duration: 1 Year assignment (contract)
Client Location: Toronto (Onsite: 7.25 hours/day between 8:00 AM and 5:00 PM, Monday to Friday)
Engagement Model: Professional Services Engagement – B2B (Incorporated Entities Only)

Note on Assignment Type

This position is provisionally Onsite, requiring 7.25 hours per calendar day between 8:00 AM and 5:00 PM, Monday to Friday (excluding breaks). Conditions may change based on organizational requirements and at the discretion of the Hiring Manager.

About the Engagement

Akkodis is seeking an experienced Senior Middleware Specialist to support the design, development, implementation, maintenance, and operational support of enterprise integration services and middleware platforms within a complex technology environment.

The successful consultant will provide technical expertise across middleware technologies, API management platforms, messaging solutions, cloud integration services, and DevOps-enabled deployment pipelines. This role requires a strong understanding of enterprise integration architecture, system interoperability, middleware administration, and the support of mission-critical applications.

Scope

  • Developing and maintaining secure integrations between enterprise systems.

  • Troubleshooting and resolving complex integration, performance, and middleware-related issues.

  • Supporting middleware deployment, monitoring, optimization, and operational stability.

  • Participating in release, incident, change, and problem management processes.

  • Collaborating with development, infrastructure, security, and business teams to deliver integrated solutions.

Assignment Deliverables

  • System Monitoring and Operational Procedures.

  • Environment Build and Deployment Documentation.

  • Performance Optimization Recommendations.

  • Incident Resolution and Root Cause Analysis Reports.

  • Technical Knowledge Transfer Documentation.

Expertise Required

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).

Nice to Have:

  • Experience supporting large enterprise environments utilizing IBM, Oracle, and cloud technology stacks.

  • Experience with public key infrastructure (PKI), certificate management, and enterprise security frameworks.

Security Clearance

Required.

Important

This is a business-to-business engagement. Candidates must represent an incorporated entity, hold a valid business number, maintain appropriate insurance, and invoice for services rendered.

How to Apply

Submit your resume in confidence via the Akkodis Canada website.

We thank all applicants for their interest in this opportunity. Only candidates meeting the above qualifications will be contacted for further discussions.

Accessibility:

At Akkodis, part of The Adecco Group, our purpose is simple: to make the future work for everyone. We live our values, Passion, Collaboration, Inclusion, Courage, and Customers at Heart, by fostering a workplace where diversity is celebrated and every voice matter. We encourage applications from individuals of all backgrounds and identities. Together, we’re making the future work for everyone.



Similar jobs

  • Senior Middleware Specialist

    Toronto, ON
    Contract

    Randstad Canada

    7+ YOECandidates need seven or more years of progressive middleware experience and hands-on work with IBM ACE, WebSphere, MuleSoft or Azure Integration Services. They also need API gateway experience such as IBM API Connect or Azure APIM, and deep knowledge of REST, SOAP, synchronous and asynchronous integration patterns.

    IBM App Connect Enterprise, IBM WebSphere, MuleSoft, Azure Integration Services, IBM API Connect, Azure API Management

    Senior Middleware Specialist

    Toronto, ON
    $70.23–$83/hrContract

    Randstad Canada

    10+ YOECandidates need 10 or more years of enterprise integration experience with .NET, C#, XML and SQL Server, plus at least 4 years building Azure Logic Apps. A post-secondary degree or diploma in computer science or engineering, or an equivalent mix of education and experience, is required; an Azure Developer Associate certification is preferred.

    BizTalk Server, Azure Logic Apps, Azure DevOps, Git, SQL Server, Azure Key Vault

    Senior Middleware Specialist

    Toronto, ON
    Contract

    Randstad Canada

    Candidates need extensive middleware administration experience with WebSphere, WebLogic or similar servers, hands-on AWS and CI/CD experience, and strong leadership and communication skills. Container and enterprise product experience is an asset.

    WebSphere Application Server, WebLogic, Apache Tomcat, AWS, Jenkins, GitHub Actions

    Senior Middleware Specialist

    Toronto, ON
    $70.23–$83/hrContract

    Randstad Canada

    10+ YOECandidates need 10+ years of enterprise integration experience with .NET, C#, XML, JSON and SQL Server, and 4+ years building Azure Logic Apps. Deep BizTalk Server 2020 and Azure services knowledge is required, and a Microsoft Azure Developer Associate certification is strongly preferred.

    BizTalk Server, Azure Logic Apps, Azure Functions, Azure Service Bus, Azure API Management, Azure DevOps

  • Middleware Specialist - Senior (ACE), 14 months contract

    Toronto, ON

    Dimensional Tech Inc.

    7+ YOEDimensional Tech Inc. needs candidates with at least 7 years of middleware and integration experience in complex enterprise settings. They must know integration patterns such as REST, SOAP, messaging and event-driven design, and have hands-on expertise with platforms like IBM App Connect Enterprise and API gateways.

    IBM App Connect Enterprise, IBM WebSphere, MuleSoft, Azure Integration Services, IBM API Connect, Azure API Management

    Hybrid! Middleware Specialist - Senior, 13 Months Contract + 6 Months Extension

    Toronto, ON

    Dimensional Tech Inc.

    7+ YOECandidates need 7 to 10+ years of hands-on middleware or integration experience and proven work on mission-critical systems, ideally in healthcare or public service. They must know IBM DataPower, App Connect Enterprise, Spring Boot microservices, AWS, OpenShift and CI/CD.

    IBM DataPower, OpenShift, IBM App Connect Enterprise, Spring Boot, AWS

    Middleware Specialist (AWS) - Senior, 6 Month Contract + 6 Month Extension

    Toronto, ON

    Dimensional Tech Inc.

    Candidates need experience administering middleware and web and application servers, plus hands-on work with AWS or another cloud platform. DevOps tooling experience such as CodePipeline, CloudFormation, Jenkins or GitHub Actions is also required.

    AWS, CodePipeline, CloudFormation, CDK, Kiro, CloudWatch

Locations & environments

Locations

All of CanadaRemote · Hybrid · On-site · Field

Pro tip: add remote jobs to widen your search.

Exclude locations

Workplace type

Company jobs in these results

These are this company’s jobs loaded in your current search. The company may have more openings.