Oracle Database Administrator

7 months ago

Pretoria, South Africa Nambiti Technologies Full time

Gauteng, Tshwane (Pretoria)

We are recruiting for an Oracle Database Administrator.

We are recruiting for an Oracle Database Administrator.

**Duties and Responsibilities**
- Creates and maintains all databases required for development, testing, education and production usage.
- Performs on-going tuning of the database instances.
- Install new versions of the RDBMS and its tools and any other tools that access the databases.
- Plan and implement backup and recovery of the databases. (Using current backup and recovery tools used by SANRAL)
- Controls migrations of programs, database changes, reference data changes and menu changes through the development life cycle.
- Implements and enforces security for all of the Databases. C-35
- Performs database re-organizations as required to assist performance and ensure maximum uptime of the database.
- Evaluates releases of Oracle, Microsoft and MongoDB and its tools, and third-party products to
- Enforces and maintains database constraints to ensure integrity of the databases.
- Administers all database objects, including tables, clusters, indexes, views, sequences, packages and procedures.
- Assists with impact analysis of any changes made to the database objects.
- Create new database users as required.
- The DBA has ultimate responsibility for the physical database design.

**Skills and Experience**
- The Oracle, MongoDB and MSSQ DBA will be required to perform critical tasks, for this a broad background is required.
- System Analysis & Design skills - The Oracle, MongoDB and MSMSSQL DBA must take an active role in the analysis and design of new database systems. Knowledge of data flow diagrams, data dictionary techniques, CASE tools, Entity-relation modelling and design techniques are required.
- Physical Disk Storage skills - Understanding of disk hardware architecture, RAID implementation, cache controllers, and disk load balancing are required of the DBA.
- Data Security skills - An understanding of relational database security including role-based security.
- Backup and Recovery skills - The backup and recovery methods involve third-party software (Backup Exec / Snap Manager), the DBA should have experience implementing backup and recovery methods. (Including disaster recovery)
- Change Control Management skills - In many cases the DBA will be responsible for implementing change control and ensuring that changes to the production database are properly coordinated.
- Oracle Database Upgrades to 12c and future releases (Including MongoDB)
- Patch Application
- Oracle SR Management
- Oracle Custom Scripts
- Oracle Disaster Recovery
- Oracle Performance Tuning
- High Availability
- Cloning
- Very Large Database (VLDB)
- Must have at least two members of staff with at least five years individual experience gained within the last eight (8) years of administrating Oracle and MSSQL databases (DBA).
- Must have at least one member of staff with at least three years’ experience gained within the last 5 years for Oracle Performance Tuning.
- Must have at least one member of staff with at least three years’ experience gained within the last 5 years of Oracle backup and recovery technology.
- Oracle Database Upgrades to 19c and future releases
- Patch Application
- Oracle SR Management
- Oracle Custom Scripts
- Oracle Disaster Recovery
- Oracle Performance Tuning
- High Availability
- Cloning
- Very Large Database (VLDB)
- Must have at least two members of staff with at least five years individual experience gained within the last eight (8) years of administrating Oracle and MSSQL databases (DBA).
- Must have at least one member of staff with at least three years’ experience gained within the last 5 years for Oracle Performance Tuning.
- Must have at least one member of staff with at least three years’ experience gained within the last 5 years of Oracle backup and recovery technology.

**Additional oracle experience (minimum 5 years)**:

- Proven experience with Oracle Spatial Data
- Experience with Oracle Application Life Cycle
- Proven experience with MongoDB Administration
- Proven experience with MSSQL

**DBA Skills**:

- A good knowledge of the operating system(s) (Windows, Linux)
- A good knowledge of physical database design
- Ability to perform both database and operating system performance monitoring and the necessary adjustments.
- Be able to provide a strategic database direction for the organisation.
- Excellent knowledge of database backup and recovery scenarios.
- Good skills in all database tools.
- A good knowledge of all database security management.
- A good knowledge of how all databases acquires and manages resources.
- Experience and knowledge in migrating code, database changes, data and menus through the various stages of the development life cycle.
- A good knowledge of the way all databases enforces data integrity.
- A sound knowledge of both database and program code performance tuning.
- DBA should have sound communication skills wit

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