Role Overview
We are seeking an experienced IBM Integration Bus (IIB) / App Connect Enterprise (ACE) Subject Matter Expert (SME) to lead technical analysis, documentation, and optimization of enterprise integration solutions. The role involves reviewing existing middleware implementations, messaging infrastructures, and database interactions, while producing detailed technical documentation to support knowledge transfer, modernization initiatives, and ongoing application maintenance.
Key Responsibilities
Analyse existing IBM IIB message flows, ESQL code, subflows, libraries, and integration components.
Review and document IBM MQ architectures, including queue managers, queues, channels, routing patterns, and integrations.
Analyse and interpret Oracle and PostgreSQL database queries, stored procedures, functions, packages, and data models used within integration solutions.
Document end-to-end integration architecture, process flows, business functionality, and system interactions.
Identify and map source and target systems, APIs, web services, MQ queues, database connections,



and communication endpoints.
Create comprehensive Technical Design Documents (TDDs), interface specifications, integration inventories, and operational runbooks.
Develop detailed source-to-target data mapping and transformation documentation, including ESQL transformation logic.
Perform impact analysis and identify dependencies across integration, messaging, and database components.
Reverse engineer undocumented integrations and produce current-state architecture documentation.
Provide technical insights, troubleshooting assistance, and recommendations for optimization or modernization initiatives.
Collaborate with application, infrastructure, and business teams to validate integration functionality and ensure documentation accuracy.
Required Skills & Experience
Solid expertise in IBM Integration Bus (IIB) / App Connect Enterprise (ACE).
Hands-on experience with IBM MQ (queue management, messag

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🏢 ZettaMine Labs
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