IBM ACE / IIB Integration Support Engineer

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Role Summary

Seeking an experienced App Connect Enterprise (ACE) / Integration Bus (IIB) Support Engineer with strong hands-on experience in supporting, maintaining, and enhancing enterprise integration environments. The role involves L2/L3 production support, incident management, deployments, monitoring, and collaboration with cross-functional teams to ensure stable and high-performing integration services.

Key Responsibilities

• Provide L2/L3 support for ACE / IIB applications across DEV, UAT, and Production environments
• Support and maintain enterprise integrations, message flows, and interfaces
• Monitor integration environments and troubleshoot failures related to ESQL, MQ, database connectivity, network, or data issues
• Perform incident management for P1–P5 issues, including bridge calls and stakeholder coordination
• Conduct Root Cause Analysis (RCA) and provide permanent fixes
• Manage UAT testing, production deployments, and release activities
• Perform certificate renewals, patching, and vulnerability remediation
• Reprocess failed messages/transactions to ensure business continuity
• Update configuration properties (for example, UDP properties) in production
• Create and manage Change Requests (CRs), JIRA tickets, and CAB approvals
• Prepare Weekly and Monthly Service Reports (WSR/MSR)
• Provide on-call and weekend support as per rotation
• Debug message flows and optimize ESQL for performance improvements
• Support SOAP and REST-based integrations
• Work with monitoring tools to ensure alerting and ticket generation
• Collaborate with application teams, architects, and DevOps teams
• Ensure adherence to operational standards and best practices

Desired Experience

• Minimum 3+ years of hands-on experience in ACE / IIB support or development
• Experience supporting production-critical environments
• Exposure to Agile / Scrum delivery models
• Experience working in 24x7 support environments
• Strong documentation and communication skills