DBA L3 – Oracle, Postgres, MariaDB & MongoDB

Inetum Tech Portugal is looking for an L3 DBA with solid experience in Oracle, PostgreSQL, MariaDB and MongoDB databases. The selected candidate will join a team of excellence that operates in critical and high-availability environments, with a focus on performance, security and reliability.

Responsibilities

• Advanced administration of Oracle, PostgreSQL, MariaDB and MongoDB databases;
• Performance monitoring and tuning to ensure maximum system efficiency;
• Backup management, recovery, upgrades, migrations and data replication;
• Provide 3rd level support in complex and critical incidents;
• Automate tasks and development of maintenance scripts;
• Collaborate with development, infrastructure and security teams;
• Ensure compliance with security policies and best practices.

• Minimum 5 years' experience as a DBA in corporate environments;
• Solid experience with Oracle, PostgreSQL, MariaDB and MongoDB;
• Advanced knowledge of tuning, HA, replication and security;
• Professional English level (communication with international teams);
• Autonomy, good analytical skills and critical thinking.

Nice to have:

• Certifications (OCP, MongoDB Certified DBA, etc);
• Experience with Cloud environments (AWS, Azure, GCP);
• Familiarity with CI/CD pipelines, DevOps and infrastructure as code (IaC).