Senior Oracle DBA — Lisbon, Portugal

Há 2 dias
Lisbon, Portugal Shakers Tempo integral
pstrongSenior Oracle DBA (ExaCC / Exadata) — Freelance — Lisbon, Portugal (Hybrid) /strong /ppbr/ppWe're looking for a Senior Oracle DBA to join a freelance project via Shakers, a European tech talent marketplace. This is a specialist, optimization-focused role — day-to-day operational coverage is handled in partnership with infrastructure teams, so the focus here is performance tuning, resource efficiency, and cross-team collaboration. /ppbr/ppstrongWhat you'll do: /strong /pulliOptimize Oracle performance via compression, query tuning, and indexing — with a focus on ExaCC CPU efficiency, storage cost, and I/O /liliFine-tune Oracle CPU allocation algorithms on ExaCC to maximize used/allocated ratio /liliOptimize backup and recovery on Oracle ZFS and ZDLRA appliances /liliLead projects including Kerberos authentication migration and Oracle Client upgrades /liliGuide development teams on database design, SQL, and scalability best practices /liliPerform root cause analysis on performance incidents escalated from infrastructure partners /liliEnforce access management, TDE encryption, auditing, and audit-quality documentation /liliContribute to multi-platform environments (Azure SQL, PostgreSQL, Synapse) where relevant /li /ulpbr/ppstrongWhat you'll need: /strong /pulli5-10 years of hands-on production experience with Oracle databases /liliProven expertise in performance tuning, compression, and resource optimization /liliSolid experience with Oracle RAC, Data Guard, RMAN, and OEM — must /liliSQL and PL/SQL scripting — must /liliLinux/Unix OS knowledge (primary), Windows (secondary) /liliProfessional English, C1 spoken and written — mandatory /liliEU/Schengen nationality or valid Portuguese work permit /li /ulpbr/ppstrongNice to have: /strong Hands-on ExaCC/ZFS/ZDLRA, Azure SQL/PostgreSQL/Synapse/DB2, OCP certification, French and/or Dutch, regulated-environment experience (financial services), Jenkins/UCD/Qlik Replicate/Git/ServiceNow/Jira/DBeaver. /ppbr/ppstrongLocation: /strong Lisbon, Portugal — hybrid. strongEngagement: /strong Freelance, through Shakers. /p

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