Overview 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 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