Worked in IBM from 1979 until 2013 - Joined in IBM Venezuela as a Customer Eng for 360/30 Mainframes and dis my career in Hardware IBM Mainframes and I/O Installation and Support participating in Large System Data Center Accounts Installations and Upgrades worldwide been involved in the IPL of the complex with the problem determination to get it success.
I was assigned to IBM Mainframes Pilot Testing Sites ( from 3090 to Z/Series) in IBM Poughkeepsie, Sao Paulo, Montpellier Sydney and Mainz.
Ended up moving to zSeries Sales before I retired from IBM.