Ronald Wadjie
Database Administrator
- Role
- Database Administrator at Calpine
- Location
- Houston, TX, US
- LinkedIn followers
- 500 followers
About Ronald Wadjie
Passionate and motivated Database Administrator with over 8 years of extensive experience in Database administration. Responsible for the implementation and optimization of various database environments ranging from small business databases to large enterprise databases. Worked on complete SDLC. Expertise involves in the installation, monitoring, optimization and migration of Oracle, SQL Server and Cloud DBA databases on-prem and in the cloud.Great team player, quick learner, good in documentation, bilingual (French and English), good motivator and has also excelled working alone in various environments.
Experience
Database Administrator
Jul 2016 — Present · US
Successfully deployed Oracle databases (11g, 12c, 18c) single instance and RAC on-prem and on OCI, SQL VM and SQL MI instances on Microsoft Azure. Involved in migrating SQL Server 2012 and 2014 databases as well as SSIS and SSRS packages on-prem to Microsoft Azure using Data Migration Service as well as configuring DR solutions after the migration. Involved in a successful migration of small oracle applications to Aurora PostgreSQL on AWS using tools such as AWS DMS and AWS SCT. Provided 24x7 support, monitoring and tuning of PROD, DEV and TEST Oracle databases on Native servers as well as on Exadata servers using OEM 12c & 13c, TOAD, SQL Developer and tools such as Dbcli, Cellcli, ILOM. Implemented backup and recovery strategies on critical Oracle and SQL Server databases for data availability and security. Frequently applied security patches using Opatch utility and OEM 13c as well as upgraded Prod and Pre-PROD databases from 11.2.0.4 to 12.1.0.2, 12.2.0.1 to 18.1.0 and 12.1.0.2 to 19c to take advantage of new features and for compliance reasons as well.
Education
catholic university saint jerome of Douala
Bachelor's degree, Computer Science
2009 — 2012
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