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Jobgether

Senior Middleware Administrator

Canada

Job type: Full-time
Experience: 7+ years of experience managing and administering third-party enterprise products or applications.
Posting language: English
Posted: Sep 22, 2026

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Original job description

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Middleware Administrator based in Canada.

The Senior Middleware Administrator will manage and support critical third-party applications that underpin a broad range of enterprise products.

You will oversee middleware technologies across messaging, caching, application delivery, and cloud integration environments.

The role combines platform administration with hands-on troubleshooting, log analysis, patching, and server administration.

You will help maintain reliable and secure application infrastructure while resolving technical issues across Windows and Linux environments.

Your expertise will span technologies such as Redis, RabbitMQ, Citrix XenApp, Apache Tomcat, and Azure Service Bus.

You will work independently to diagnose complex problems and keep essential middleware services operating effectively.

This is a senior technical role suited to an experienced administrator who enjoys working across diverse enterprise technologies.

Accountabilities

Administer and maintain third-party applications and middleware platforms supporting enterprise products and services.
Manage Redis, RabbitMQ, Citrix XenApp, Apache Tomcat, and Azure Service Bus environments.
Perform troubleshooting and root-cause analysis for middleware, application, and infrastructure issues.
Parse and analyze log files to identify errors, performance issues, configuration problems, and potential service disruptions.
Plan and execute patches and updates for third-party products while supporting platform stability and availability.
Perform designated server administration activities across Windows Server and Linux Server environments.
Support Citrix application delivery infrastructure and related administration activities.
Maintain reliable middleware operations and respond to technical issues affecting dependent applications and services.
Collaborate with relevant technical teams to investigate incidents, implement solutions, and maintain operational continuity.
Document configurations, troubleshooting findings, maintenance activities, and operational procedures as needed.

Requirements

7+ years of experience managing and administering third-party enterprise products or applications.
Strong troubleshooting and problem-solving capabilities, with the ability to diagnose complex technical issues methodically.
Strong English fluency, both written and verbal.
Hands-on experience administering Redis.
Hands-on experience administering RabbitMQ.
Experience with Citrix XenApp administration.
Experience administering Apache Tomcat.
Strong Windows Server administration skills.
Strong Linux Server administration skills.
Experience administering Azure Service Bus.
Citrix PVS patching experience is preferred.
PowerShell scripting experience is a plus.
WordPress administration or experience managing LAMP stacks is advantageous.
IIS administration experience is preferred.
Experience with the Elastic Stack and report development is a plus.
Familiarity with JScape or other SFTP solutions is beneficial.
Ability to work independently, prioritize technical issues, and communicate effectively with technical stakeholders.

Benefits

Opportunity to work with a broad range of enterprise middleware and infrastructure technologies.
Senior-level ownership of critical third-party application environments.
Hands-on exposure to Redis, RabbitMQ, Citrix, Tomcat, Azure Service Bus, Windows, and Linux.
Opportunity to solve complex technical issues across diverse application and server environments.
Exposure to cloud integration, messaging, caching, application delivery, and enterprise infrastructure.
Opportunity to further develop expertise in automation, scripting, monitoring, and platform administration.

How Jobgether Works

We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team.

We appreciate your interest and wish you the best!

Why Apply Through Jobgether?

Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

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More about this job

Responsibilities

The Senior Middleware Administrator will manage and support critical third-party applications and middleware platforms across messaging, caching, and cloud integration environments. Responsibilities include performing root-cause analysis, executing patches, and maintaining reliable infrastructure across Windows and Linux servers.

Requirements

Candidates must have 7+ years of experience managing enterprise products and strong troubleshooting capabilities. Proficiency in Redis, RabbitMQ, Citrix XenApp, Apache Tomcat, Azure Service Bus, and both Windows and Linux server administration is required.

Skills

Middleware administration
Redis
RabbitMQ
Citrix XenApp
Apache Tomcat
Azure Service Bus
Windows Server
Linux Server
Troubleshooting
Root-cause analysis
Log analysis
Patching
Server administration
PowerShell
IIS
Elastic Stack

Benefits

Opportunity to work with a broad range of enterprise middleware and infrastructure technologies
Senior-level ownership of critical third-party application environments
Hands-on exposure to diverse enterprise technologies
Opportunity to solve complex technical issues
Exposure to cloud integration, messaging, caching, and application delivery

Visa sponsorship

Not detected in the job text

Keywords

Middleware
Redis
RabbitMQ
Citrix XenApp
Apache Tomcat
Azure Service Bus
Windows Server
Linux Server
Troubleshooting
Root-cause analysis
Log analysis
Patching
PowerShell
IIS
Elastic Stack
Cloud integration
Messaging
Caching
Application delivery
Infrastructure
Enterprise products
Citrix PVS
WordPress
LAMP stack
JScape
SFTP
System administration
Configuration management
Operational continuity
Technical support

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