Database Administrator
Summary
A Database Administrator specializing in Mainframe DB2 on z/OS manages database operations, migrations, performance tuning, and disaster recovery. They collaborate with application teams on database design, enforce governance policies, and educate teams on best practices.
Job Description
Primary Purpose
The Application DBA is responsible to perform database Administration activities such as database setup, defining/maintaining database objects, backup and recovery. He/She is also involved in database design and review, application SQL tuning and maintaining documentation meeting customer’s expectation. As the experience in this position grows, there will be opportunities to expand to database consultancies areas such as performance tuning, data governance and data policies.
Key Responsibilities
- Migrating data from Mainframe DB2 on z/OS to flatfiles using scripts or tools in the mainframe environment.
- Plan and perform database migration
- Monitor & measure the performance & availability of databases proactively; implement corrective actions identified to improve performance & availability.
- Monitor the agreed service level, document & maintain the configuration of the databases; provide regular reporting to relevant parties.
- Ensure service level meet requirement. Propose and implement action plan when required. Lead and monitor databases according to standard operations procedures.
- Implementation of service continuity measures, i.e., backup/restore procedures & disaster recovery plan, to ensure continuous operation of the business.
- Define data governance policy related to database operations management. Manage database permission, hardening standards, database naming standards.
- Keep abreast of database technologies.
- A good team player.
- Work with application team to review the database design and recommend suitable changes to the data model with understanding of the business and application environment
- Develop standards and procedures related to database environment and ensure that it is followed through for all implementations
- Engage customers to explain the rationale of the database design, or other technical issues
- Educate application team on best practices in coding and design
- Share knowledge with the rest of organization through CoPs or other in-house forums
- Contribute to knowledge repository on experience learnt through project implementation
Qualifications
This position requires mandatory Mainframe DB2 on z/OS database administration experience of at least 4 years. He/She possesses good knowledge of database design, implementation and operation support. He/She has experience in migrating data from Mainframe DB2 on z/OS to flatfiles using scripts or tools in the mainframe environment.
Knowledge and experience in other databases such as MS SQL Server or DB2 uDB as well as cloud platforms (eg. AWS or AZURE) is an added advantage.