IT Systems Database Administrator

COSMOTE Global Solutions, a proud member of the OTE Group of Companies, is renowned as an ICT Systems Integrator that offers a comprehensive suite of ICT Solutions and Services.

As an IT Systems Database Administrator, you will be responsible for maintaining robust database environments to ensure the effective management of data across various platforms.

Key Responsibilities:

• Migration of Cellar store (the semantic repository of Publications Office) from AWS Cloud to another Cloud provider involving migration from Oracle to PostgreSQL.

• Migrate existing cloud-based Oracle databases (RDS) to PostgreSQL cloud-based databases (setting, data, procedures).

• Removal of Oracle Spatial.

• Ensure data integrity, security, and performance of cloud-based databases during and after the migration.

• Provide technical expertise and support for database-related issues.

• Develop and maintain database backup and recovery procedures.

• Monitor and optimize database performance, ensuring high availability and scalability.

• Collaborate with other teams and involvement in other IT systems of the OP and the Data Migration leader to ensure database design meets application requirements.

• Excellent problem-solving and analytical skills.

• Strong communication and collaboration skills.

• Ability to work in a fast-paced environment and meet deadlines.

• Familiarity with containerization (Docker) and orchestration (Kubernetes).

• Knowledge of data modelling and data warehousing.

• Bachelor’s degree in Computer Science, Information Technology, or a related field.
• Minimum 7 years of professional experience in IT, of which:
  •         5 years of experience as a DBA, with a focus on cloud migration and database administration.
  •         5 years of experience with database design and development.
  •         5 years of experience of Oracle, Oracle Spatial, RDS, and PostgreSQL.
  •         2 years of experience with cloud migration, including data transfer and synchronization.
  •         1 year Experience with agile development methodologies (Scrum, Kanban).