Chuyên gia quản trị cơ sở dữ liệu (DBA Expert)

1. Design And Implementation- Define the configuration for the database implementation within the organization. This shall include proper sizing and the detail requirement on parameters, file location, etc.- Determine and monitor the capacity and utilization of databases and corresponding hardware.- Determine the upgrade path for over utilized databases and corresponding hardware.- Verify the justification of the database requirement from vendors for their solution installing in the company.- Implement the design in professional manner.- Ensure zero data loss by proper backup/recovery mechanism design.- Ensure the database facilities operating and recovery within the agreed SLA.- Determine the best approach for system protection requirement such as load balancing, failover, remote site protection, etc.- Determine the risks in database facilities and the resolution to rectify the risks 2. Operation Support- Perform any database cleansing ensuring the health working environment.- Implement ETL, clean up and transform external data to fit the desired format, efficiently importing large volumes of data extracted from multiple systems into a data warehouse environment.- Determine the effectiveness of the restoration for the database by the backup data.- Determine/define the mechanism for the monitoring of the performance & exceptions of the database facilities.- Determine/define the mechanism on detecting any issues happening in the database facilities in the campus.- Rectify the issues immediately if happening.- Perform user administrative activities on database level but not included user administration on application level.- Define/design the operation reports required to summaries the status of the database facilities for management. This shall include the utilization vs capacity, rate of availability, issues, etc. 3. Security & Authentication- Determine potential weaknesses of the database software and the company’s overall system.- Determine how to protect the database facilities.- Implement best practices to minimize security risks.- Set up access policy according to the company’s role matrix to control who has access and what type of access they are allowed.- Set up audit policy.- Consult audit logs in the case of a security breach or irregularity. 4. Documentation & Version Control- Document the design of the database facilities with the detail of diagram, system parameters and requirement, protection mechanism, and other related material as well as its historical changes becoming part of the IT Architecture Dossier.- Prepare the documents keep the latest and historical information of the facilities becoming part of the inventory control of the department.- Maintain the configuration document for each facility keeping the latest configuration parameter, historical changes on parameters in each device, and the method of changing the parameter becoming part of the- Configuration Control and Version Control within the department- Prepare the operation guide for each facility.