Jobs

    Senior Oracle Database Administrator - Sandton, South Africa - Dimension Data

    Dimension Data
    Dimension Data Sandton, South Africa

    Found in: Talent ZA C2 - 14 hours ago

    dimension data background
    Description
    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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