Database​/Application Administrator

COSMOTE Global Solutions
, a key company of the OTE Group of Companies
, is a premier ICT Systems Integrator delivering a broad range of ICT Solutions and Services.

We are seeking a skilled Database/Application Administrator to manage and maintain our database and application infrastructure effectively.

Key Responsibilities:

• Administer and maintain databases and related application systems ensuring optimal performance, security, and availability.
• Install, configure, monitor, and troubleshoot database and application environments.
• Implement database and application backup and recovery procedures to minimize downtime.
• Manage database security, users, and access controls.
• Collaborate with development and operations teams to ensure smooth integration and deployment of applications.
• Perform database tuning and query optimization to enhance performance.
• Support migration activities including cloud migrations and database upgrades.
• Create and maintain technical documentation and reports.
• Participate in incident management and resolution processes.

• Bachelor’s degree in Computer Science, Information Technology, or related field.
• Minimum 12 years of experience in database and application administration.
• Proficient with database technologies such as Oracle, PostgreSQL, and Microsoft SQL Server.
• Experience with application servers and middleware technologies.
• Strong understanding of database security, backup and recovery procedures.
• Hands‑on experience with cloud database services and migrations.
• Good knowledge of scripting and automation tools.
• Excellent problem‑solving and communication skills.
• Ability to work effectively in multicultural and international teams.
• Experience with containerization (Docker) and orchestration (Kubernetes) is a plus.