Executive-Level infrastructure Technical Manager with 20 years of commerce graduation with management experience and technical exposure in both the private sector with key emphasis database management, billing and telecommunications, vendor management and Manufacturing and network management and good exposure operating system like open vms Unix and Windows . good exposure Data Centre commission and de-commission activities.. I have been involved in the design, development, migration, and implementation of software solutions utilizing my proficiencies in Oracle Database Engineering and Administration Application DBA and Operation DBA , Data Modeling, and Data Warehousing. I have a strong understanding of both relational and dimensional modeling and experience with working on large database systems 5 Terabytes .