Senior Oracle Database Administrator

1 month ago

Sandton, South Africa Dimension Data Full time
Functieomschrijving

The Database Administrator operates within the internal Information Technology departments of Dimension Data or client facing service department and takes responsibility for the performance, integrity and security of large, more complex databases and processes. Individuals in this role take responsibility for the design, implementation and administration of Oracle database management systems.

Database Administrators work closely with System Administrators, Change Control, Release Management, Service Delivery Management, Capacity and Availability Management to establish the needs of users, monitoring user access and security.

They install administer and maintain database servers, control access permissions, administer complex databases, and ensure optimal performance and ensure database recoverability in the event of a disaster.

Responsibilities

Financial

Provide input into the Presales and Sales processes

Accurate timekeeping

Client

Respond to customer requests

Work with technical contacts from other teams or external partners on integration projects

Business consulting in database environments as well as architecting solutions to customer requirements and ensuring that solutions are built to specification and client requirements

Ability to provide on-call and 24x7 DBA support when applicable

Business Process

Perform database administration, maintenance, performance tuning, security, and troubleshooting

Provide daily health check reports

Develop, maintain, perform, and test database backup and recovery strategies and procedures

Perform database installations, configurations, upgrades, and migrations

Provide proactive performance monitoring, and capacity planning for future database and server growth

Develop and maintain best practices database documentation.

Administer and maintain database and user security policies and standards including compliance with SOX regulations

Work closely and effectively and maintain good relationship with DBA team members, and in-house software development, project management, QA, and system admin teams

Support strategic decision making for technology base 

Design, evaluate and recommend best practices for database models and architecture

Manage standards and strategies for security, database objects, and backup / recovery

Monitor capacity and performance, troubleshooting, and proactively resolving a wide variety of problems. Establish and maintain standards, procedures and automation strategies for tools and monitoring

Participate or lead development of smaller projects and ensure their timely delivery

Participate and contribute in the team’s development process

Act as a liaison between the Database Administration staff, project development staff and functional team

Requirements

Qualification/Professional Certifications

Matric, Diploma, Bachelor's Degree, in Computer Science / Information Technology, or equivalent

Oracle database certification & knowledge of Unix, storage subsystems advantageous

Experience and Core Skills

Experience in the capacity of a Senior Database Administrator.

Experience in Cloud Hyperscalers (Oracle OCI, AWS & Azure)

Core Database Administration: administration, maintenance, performance tuning, security, backup and recovery, high availability

Experience with Oracle Data Guard (DG) , Oracle Real Application Cluster(RAC )

Unix and PL/SQL scripting knowledge advantageous 

Experience in Oracle’s Engineered Systems, Oracle Exadata, Oracle SuperCluster advantageous

Experience in Platform & Database Migrations

Oracle

  • Minimum 6 Years Database Administrator Experience on Oracle in a senior capacity
  • A solid understanding of Core Database Administration
  • Experience in designing and implementing High Availability and Disaster Recovery solutions:
  • Oracle RAC and
  • Oracle Data Guard
  • Experience in database migrations, and administration on multiple platforms
  • A solid understanding of Windows , Unix/Linux, Solaris Operating Systems
  • Solid understanding of Oracle Rman backup and recovery.

Responsibilities

Financial

·       Provide input into the Presales and Sales processes

Accurate timekeeping

Additional Skills

Excellent communicator, and high levels of proficiency in the English language – speaking, read and write

Ability to create and maintain strong working relationships with colleagues and customers

Display accuracy and attention to detail when dealing

Able to cope well in conflict situations

Be able to work both in a team and alone

Ability to work well under pressure, especially in maintaining a balanced and logical approach

Self-motivated and self-managed

Able to use initiative and take ownership of deliverables and projects

Structured working methods

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