Server Admin and DB Admin Tasks

Hi dears I want the following server admin and db admin tasks to be done Server Admin 1) Copy approx. 256 GB of data from server to local machine with robocopy or a very fast copying tool DB Admin 2)Take MYSQL DB Backup 3) Sanitize MYSQL Data by deleting records before March 2018 4) Writing DB Script for Sanitizing the data. This script will run every day and will do the following tasks- 1) kill the exes 2) disconnect the db (stop and start the mysql service) 3) delete records before 3 months from that day 4) start exes Thanking you in advance