IBM System Administrator (MQ/ACE)

About the Role

We are seeking an experienced IBM MQ/ACE System Administrator to support and maintain the enterprise messaging infrastructure and integration services across on-premises and cloud platforms. This role ensures the stability, resilience, and security of enterprise messaging and integration services, enabling secure, reliable, and high-performing communication across critical business applications.

Responsibilities

• Install, configure, and administer IBM MQ environments across development, stage, and production.
• Create, manage, and maintain queue managers, queues, channels, listeners, and other MQ objects.
• Support and maintain IBM App Connect Enterprise (ACE) environments, including integration servers, message flows, BAR file deployments, and runtime support.
• Monitor MQ system performance, availability, and capacity to ensure optimal operation.
• Troubleshoot and resolve MQ and ACE related issues including connectivity, message delivery, channel failures, and performance bottlenecks.
• Perform upgrades, patches, fix packs, and migrations for IBM MQ environments.
• Support message flow deployment and promotion activities across environments in alignment with change management and release processes.
• Implement and maintain security configurations, including SSL/TLS, authentication, authorization, and certificate management.
• Work closely with application teams, infrastructure teams, and vendors to support integration and messaging requirements.
• Develop and maintain operational documentation, runbooks, and standard procedures.
• Participate in on-call support and incident response for production issues.

Requirements

• 7+ years of enterprise messaging platform experience.
• Proven experience as an IBM MQ & ACE Administrator or in a similar middleware support role.
• Hands-on experience supporting or administering IBM App Connect Enterprise (ACE) in development, test, or production environments.
• Strong knowledge of IBM MQ architecture, administration, and troubleshooting.
• Experience with Linux/Unix server environments.
• Familiarity with message queuing concepts, distributed systems, and middleware technologies.
• Experience with MQ security, including SSL/TLS and user access controls.
• Knowledge of scripting for automation and operational support.
• Strong analytical, problem-solving, and communication skills.

Preferred Qualifications

• Knowledge of high availability and clustering solutions.
• Experience administering IBM MQ in cloud or hybrid cloud environments, including deployment, configuration, monitoring, and support of messaging services across on-premises and cloud platforms.
• Familiarity with cloud-native or managed messaging deployments and containerized MQ implementations in platforms such as AWS, OpenShift, or Kubernetes.
• Experience with monitoring tools such as Prometheus, meshIQ, and Splunk.