Overview
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In this role you will design, build, and support enterprise integration connecting distributed applications with core banking services on IBM z/OS. You will leverage middleware and IBM MQ, CICS, DB2, and API-enabled services to deliver secure, scalable integrations. Working within a general engineering team, you will advance API-driven strategies, troubleshoot complex issues, and drive improvements across integration platforms. This is a hands-on role with emphasis on resilience, security, and collaboration to support critical banking services.
Responsabilidades
Design, build, and support enterprise integration solutions across IBM z/OS environments
Configure, maintain, and optimize integration middleware for business-critical services
Deliver secure, scalable, and resilient integrations meeting functional and non-functional requirements
Collaborate with application teams, architects, and infrastructure teams to define integration designs
Implement and support API-based integrations between distributed systems and mainframe applications




Investigate and resolve complex production incidents and integration issues
Analyze application flows and troubleshoot end-to-end integration challenges
Produce technical documentation, solution designs, and operational support procedures
Support modernization initiatives and continuous improvement of integration platforms and standards
Requisitos principales
Strong experience developing or supporting applications on IBM z/OS
Good understanding of CICS, DB2 and COBOL
Hands-on experience with IBM MQ messaging
Knowledge of REST APIs and API integration frameworks such as z/OS Connect EE xqbhyrx
Understanding of synchronous and asynchronous integration patterns
Experience implementing secure and resilient integrations between distributed and mainframe applications
Experience with source management and service management tools such as Endevor, Jira, and ServiceNow (SNOW)
Strong troubleshooting, analytical, and problem-solving skills
Excellent written and verbal communication abilities
Strong troubleshooting and analytical thinking
Effective written and verbal communication
Stakeholder collaboration
IBM z/OS
IBM MQ
CICS

📌 IBM z/OS Integration Consultant (Barcelona)
🏢 Ntt Data
📍 Barcelona