Mainframe Security Engineer

Euroclear • Poland, Poland • Posted June 11, 2026

About the Role

Division: Group Technology Services (GTS)
Core Systems Tribe – Integration Mainframe

Core Systems Tribe – Mainframe Security


At Euroclear’s Core Systems Tribe, we focus on strengthening and evolving the company’s core IT environments. Our mission is to ensure the stability, scalability, and controlled evolution of Euroclear’s core technologies, supporting critical business operations.


This role offers an excellent opportunity to start or further develop a career as a Mainframe Security Engineer. You will work closely with experienced colleagues, contribute to the engineering and operation of security solutions across operating systems, middleware, third-party software, and network components, and progressively build expertise in monitoring, auditing, cryptography, and security tooling within mission-critical mainframe environments.


Responsibilities


Under the guidance of experienced team members, you...