Oracle DBA

AccentureLet there be change
Lisbon, PT
Permanent
Back-end Developer
Senior (5 - 10+ years)
Requires work permit
Languages: Required: English

Skills

Required:

Description

Role description and responsibilities
  • 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

Requirements
  • 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 (mandatory)
  • 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
  • Lisbon/Portugal-based — hybrid working model

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

Perks

  • Company Car (level 9 and above);
  • 3000€ expenses (level 7 - Manager)
  • Annual bonus (level 9 - 5% / level 8 - 6% / level 7 - 23%)
  • +12 vacation days (compensation days)
  • 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.