Supervised our Data Center Operator/s, from that Saturday, 05 until 06 February 2022, at 19:00 H to 06:00 H the following day; and they were on Night Shift duty at the DataOne site, for the preparation of the next day ESB & PM Activities. The following day on that Sunday, from 06:00 H to 18:00 H; I supervised the main activity and conducted for our Power 9 Server's Preventive Maintenance and the JDA Production's Full System Backups.