Overview
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In this role you design, build, and support enterprise integration across IBM z/OS environments, connecting distributed applications with core banking services. You work within a general engineering team to deliver secure, scalable, and API-driven integration solutions, while troubleshooting incidents and driving platform improvements. You collaborate with architects, application and infrastructure teams to define designs and ensure reliable operations. This role combines mainframe expertise with modern integration practices to advance our banking and financial services capabilities.
Responsabilidades
Design, build, and support enterprise integration solutions across IBM z/OS environments
Configure, maintain, and optimize integration middleware for core services
Deliver secure, scalable integrations meeting functional and non-functional requirements
Collaborate with cross-functional teams to define integration designs and technical solutions
Implement and support API-based integrations between distributed systems and mainframe apps




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 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 xqbhyrx of REST APIs and API integration frameworks such as z/OS Connect EE
Understanding of synchronous and asynchronous integration patterns
Experience implementing secure and resilient integrations between distributed and mainframe applications
Experience with Endevor, Jira, and ServiceNow (SNOW)
Strong troubleshooting, analytical, and problem-solving skills
Excellent written and verbal communication abilities
Collaborative mindset
Analytical thinking
Effective communication
IBM z/OS
IBM MQ
CICS

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