We are looking for an experienced Oracle DBA to join a project in the healthcare sector. The focus is on Performance & Tuning, Backup & Recovery, Oracle RAC, ASM, Data Guard and data migration. You will be responsible for the administration, availability, performance, security and evolution of Oracle Database platforms in mission-critical, high-availability environments. What you'll do • Administer, maintain and support Oracle databases (11g, 12c, 19c and above) in on-premises and/or cloud environments • Monitor databases proactively, ensuring high availability, performance and stability • Analyse performance and carry out SQL and PL/SQL tuning (AWR, ASH, ADDM, statistics, execution plans) • Implement and manage backup and recovery strategies (RMAN), including regular restore tests and Disaster Recovery plans • Administer and troubleshoot Oracle RAC environments • Manage ASM (Automatic Storage Management) • Configure and maintain Oracle Data Guard (physical/logical standby, switchover, failover) • Plan and execute data migrations and version upgrades • Support development teams in optimising SQL and PL/SQL code • Apply security best practices, including user, role and privilege management • Create and maintain technical documentation and operational procedures • Support production environments, including handling critical incidents What we're looking for • 5+ years of proven experience as an Oracle DBA • Strong knowledge of: • Oracle Performance & Tuning • RMAN (backups and restores) • Oracle RAC • ASM • Oracle Data Guard • SQL and PL/SQL • Data Migration • Experience in mission-critical, high-availability environments • Knowledge of Windows and Linux/Unix operating systems • Experience with automation scripting (Shell, SQL*Plus, etc.) • English level B2 or higher What we offer • 100% remote work • Long-term project in a critical, high-impact sector • Flexible contract model: employment contract, freelance or B2B, as you prefer. 📍 Location: Remote. Candidates must be based in Portugal. What can you expect from us? Mind-blowing workplace culture. You will be integrated in a professional, dynamic and collaborative team. 100% Remote opportunities We want you to have the flexibility to work where you feel most comfortable and productive. International Career • You can expect professional growth and to be connect with the world. • We are represented in Portugal, Belgium, Luxembourg, and Denmark. • And with projects in many other countries: Netherlands, Luxembourg, Singapore and in the United States of America (and a lot more is coming…) Extra Benefits & Perks If you wish to work with us and you are outside European Union (good news…) we are a Tech Visa Company, We will help! As a plus, we provide Health and Life Insurance. Originally posted on Himalayas