The Global Head of Mainframe and Host System Service provides strategic leadership for enterprise-wide mainframe infrastructure (z/OS, z/TPF, z/VM, LinuxOne, Unisys, Tandem, I-Series and Stratus Technologies), storage systems (DS8K, VMAX, TS7700 and FS9K), and middleware (CICS, Websphere, MQ, DB2) and Network Software. This role leads infrastructure strategy, modernization, performance, high availability, budget, and vendor management, ensuring resilient, secure 24/7 operations.

**Position Title:** Global Head of Mainframe and Host Systems Services Technologies
**Location:** Global / Corporate

**Key Responsibilities**

+ **Strategic Leadership:** Develop and execute a multi-year technology roadmap for mainframe hardware (IBM Z) and software (z/OS, z/TPF, z/VM, LinuxOne) to support digital transformation and high-volume transaction processing.
+ **Infrastructure Management:** Oversee the performance, availability, and capacity planning of z/17 proce...