Database Administrator Engineer

WorldFirst; Estepona; On-site; EUR 60,000 - 90,000; Full time

Job summary

WorldFirst in Spain is seeking a Senior Database Engineer specialized in OceanBase to administer, monitor, and tune large-scale distributed databases for high performance and reliability. You will manage tenant/cluster resources and participate in on-call rotations to resolve incidents.

Candidates should have deep expertise in OceanBase, MySQL, Oracle, and database internals, with a focus on ACID, HA/DR, security, and disaster recovery.

Qualifications

• Deep expertise in OceanBase, MySQL, and Oracle for HA/DR and security.
• Strong knowledge of database internals (ACID, storage engine, SQL engine).

Responsibilities

• Administer, monitor, and tune large-scale distributed OceanBase systems.
• Manage tenant/cluster resources and provisioning in distributed environments.
• Diagnose and resolve large-scale DB issues using SRE/DB alert systems.
• Participate in on-call rotation to handle incidents and provide timely resolutions.
• Review DB-related requests to prevent risks (data security, SQL impact).
• Follow policies and processes for database operations, ensuring auditing and disaster recovery readiness.

Skills

OceanBase administration

Distributed systems

DB troubleshooting

On-call support

Security & DR

Tools

obproxy

Job description

Key Responsibilities:

• Administer, monitor, and tune large scale distributed OceanBase for high performance and scalability.
• Manage tenant/cluster resources (computing resources relocation and provisioning) in distributed OceanBase environments.
• Quickly diagnose and resolve large-scale distributed DB issues using SRE/DB alert systems.
• Participate in on-call rotation to handle emergency DB incidents and provide timely resolutions.
• Review DB-related requests (data security, SQL impact on production) to prevent potential risks.
• Follow company policies and development processes for database operations. Ensure data security, auditing, encryption, compliance, and disaster recovery readiness.

Technical Requirements

• Deep expertise in OceanBase, MySQL, and Oracle to ensure high availability, performance, and security of our large-scale distributed database systems. The ideal candidate will have strong problem-solving skills.
• Expert-level knowledge of database internals (ACID, storage engine, SQL engine, HA/DR, security), strong distributed OceanBase administration skills (OCP, obproxy, tenant/cluster management), and the ability to collaborate across teams to optimize database operations.