Gregory Ainsborough

Experience

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  Harmony Gold Mining Company Limited

  Jan 1991 - Jan 1995

  Administrative Clerk | Payroll, Costing and Capital

  •Handled payroll, costing, and capital administration tasks.•Maintained accurate financial records and reports.

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  Harmony Gold Mining Company Limited

  Jan 1996 - Jan 2006

  Masterpiece and Ingres Database Administrator

  •Administered Masterpiece and Ingres database systems.•Delivered performance optimisation and implemented database recovery protocols.•Trained users on database systems and functionalities.•Managed daily system operations and ensured reliable uptime.

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  Harmony Gold Mining Company Limited

  Jan 2007 - Jan 2022

  Principal Database Administrator

  •Led upgrades and re-implementations of Oracle ERP systems.•Maintained high system availability through performance tuning and optimisation.•Designed and executed robust backup and recovery solutions.•Managed Red Hat Linux server environments.•Conducted governance audits and enforced change control processes.•Provided user support and database training to team members.

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  RDB Consulting South Africa

  Jan 2023 - now

  Principal Oracle Database Administrator

  •Manage Oracle database upgrades and new implementations remotely.•Optimise database performance through remote monitoring and tuning.•Implement and maintain backup and recovery processes.•Perform database cloning and patch management.•Ensure compliance with governance and change control standards.•Administer Red Hat Linux systems and provide technical support remotely.•Collaborate with international teams and stakeholders using remote communication tools.