Database Administrator – Oracle (ExaCC / Exadata)

A senior Oracle DBA role focused on performance optimisation, resource efficiency and project delivery across Oracle ExaCC, ZFS and ZDLRA environments. This role focuses on specialist expertise, continuous improvement and cross-team collaboration with development and infrastructure stakeholders.

• Optimise Oracle database performance through compression techniques, query tuning and indexing strategy — with a focus on ExaCC CPU efficiency, storage cost reduction and I/O efficiency
• Fine-tune Oracle CPU allocation algorithms on ExaCC to maximise the used/allocated ratio and minimise waste
• Optimise backup and recovery processes for Oracle ZFS and ZDLRA appliances, ensuring reliability and cost-effectiveness
• Lead and support key projects, including migration to Kerberos authentication and Oracle Client upgrades
• Guide development teams on best practices for database design, SQL coding, performance and scalability
• Perform root cause analysis on performance incidents and complex database issues escalated from infrastructure partners
• Enforce access management, TDE encryption, auditing controls and audit-quality documentation
• Contribute to multi-platform environments (Azure SQL, PostgreSQL, Synapse) where relevant
• Collaborate with infrastructure partners, development teams and project stakeholders across initiatives

• University degree in Computer Science, Engineering or comparable technical field
• 5-10 years of hands-on experience with Oracle databases in production environments
• Proven expertise in performance tuning, compression and resource optimisation
• OS knowledge: Linux and/or Unix (primary), Windows (secondary)
• Oracle RAC, Data Guard, RMAN, Oracle Enterprise Manager (OEM); SQL and PL/SQL scripting (must)
• ExaCC CPU optimisation, compression techniques, query tuning, Exadata awareness
• Kerberos authentication and Oracle Client upgrades
• Transparent Data Encryption (TDE), auditing & compliance controls
• Professional English C1 (spoken and written) — mandatory
• Strong collaboration skills — comfortable working with infrastructure partners, development teams and non-technical stakeholders
• Structured problem-solving mindset; ability to communicate technical findings clearly
• Generalizing-specialist profile — open to working across multiple database technologies
• Must own a valid work permit or EU/Schengen Space nationality to legally work in Portugal

• Hands-on experience with ExaCC, ZFS and ZDLRA is a strong plus
• Azure SQL or PostgreSQL, Azure Synapse or DB2 — knowledge is a plus
• Jenkins, UrbanCode Deploy, Qlik Replicate, Git/Bitbucket, ServiceNow, Jira, DBeaver
• Oracle Certified Professional (OCP) or equivalent certification is a plus
• French and/or Dutch is a plus
• Experience in regulated environments (e.g., financial services) is a strong plus

• Health insurance
• Life Insurance and Pension Plan Programs
• Free medical services at the office (Physician, Nutritionist, Psychologist)
• Wellness programs
• Flexben Program (Support for Education, Kindergarden, Training, Technology, Health)
• Employee Share Purchase Plan
• Personalized training paths and access to Udemy and Plurisight Plataforms
• Flex-ability program (financial and flexible support for people with disabilities)
• Special banking conditions
• Hybrid working model

Resumo organizado por IA a partir do anúncio original. Confirma os detalhes no site da empresa.