We are a team of passionate experts with a clear ambition: applying digital technology to advance what matters for our clients and society. Together we create reliable and responsive digital foundations for the world's businesses, institutions, and communities. The role involves installing, updating, and administering Mainframe operating system software, performing changes within company regulations and security standards, and assisting with testing, implementation, and installation of new/improved systems, as well as product upgrades. You will attend meetings and interact regularly with management, team, and clients to continuously improve services, and participate in an On-Call rotation schedule. Knowledge of multiple Mainframe products such as Security Managers, Resource Managers, Performance Tools, Storage Managers, Schedulers, Applications Tools, and Hardware Managers is essential. Proficiency in JCL, ISPF, and SMP/E is required, along with verbal and written proficiency in English. Experience with Sysplex, Mainframe Hardware, ALC or REXX, UNIX Services, zLinux, and zVM is also necessary.