John Irelan-Hill

John Irelan-hill is a seasoned Mainframe Developer currently employed at Sulzer GmbH since September 2021, utilizing skills in IMS, DB2, PL/1, and mainframe application tools reminiscent of earlier career experiences. Prior to this role, John served as Technical Manager at Amadeus IT Group from January 2003 to June 2020, where leadership included enhancing processes and training colleagues in Erding and Bangalore. During John's tenure at Amadeus, various positions included Capacity Planner and Performance Analyst, Application Manager, and Mainframe System Programmer, focusing on high-performance applications and ITIL-based incident management. Additional experience includes roles as Database Administrator at KBC Bank & Verzekering and system programming positions across multiple companies, supplemented by extensive work-based training in technology from 1981 to 2019, with foundational education from Brighton MET and Portslade School.