Database Administrator – Oracle (ExaCC / Exadata)

Accenture Portugal; Lisboa; Híbrido; EUR 80 000 - 120 000; Tempo integral

Vantagens oferecidas por esta oferta de emprego

Health insurance

Pension plan

Free medical services at office

Wellness programs

Hybrid working model

Resumo da oferta

Accenture Digital Core in Lisbon is seeking a senior Oracle DBA to optimise performance, storage costs and I/O efficiency across ExaCC, ZFS and ZDLRA environments. The role involves collaboration with infrastructure and development teams to deliver reliable database services.

You will lead tuning, backups and migrations (Kerberos auth, client upgrades) and provide guidance on database design, coding and scalability in a regulated setting. Portuguese location with hybrid work options.

Qualificações

• 5-10 years of hands-on experience with Oracle databases in production environments.
• Proven expertise in performance tuning, compression and resource optimisation.
• Hands-on experience with ExaCC, ZFS and ZDLRA is a strong plus.
• OS knowledge: Linux and/or Unix (primary), Windows (secondary).

Responsabilidades

• 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.

Conhecimentos

Oracle DBA

Performance tuning

ExaCC/Exadata

ZFS/ZDLRA

Linux/Unix

Windows

English (C1)

Formação académica

University degree in Computer Science or related field

Ferramentas

Oracle RAC

Data Guard

RMAN

Oracle OEM

SQL/PLSQL

Oracle SQL Developer

Toad for Oracle

Jenkins

UrbanCode Deploy

Qlik Replicate

Git/Bitbucket

ServiceNow

Jira

DBeaver

Descrição da oferta de emprego

Accenture Digital Core

At Accenture Digital Core, we help clients continuously innovate at speed and at scale, combining deep industry expertise with cutting-edge technology to deliver meaningful transformation. You will bring innovation, intelligence and experience together to shape robust, secure and scalable digital solutions.

A senior Oracle DBA role focused on performance optimisation, resource efficiency and project delivery across Oracle ExaCC (Exadata Cloud@Customer), ZFS and ZDLRA environments. Day-to-day operational coverage is handled in partnership with infrastructure teams; this role focuses on specialist expertise, continuous improvement and cross-team collaboration with development and infrastructure stakeholders.

What You'll Do

• 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.

What You'll Need

• 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;
• Hands-on experience with ExaCC, ZFS and ZDLRA is a strong plus;
• OS knowledge: Linux and/or Unix (primary), Windows (secondary).

Technical Skills

• 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;
• Azure SQL or PostgreSQL, Azure Synapse or DB2 — knowledge is a plus;
• Tools: Oracle SQL Developer, Toad for Oracle,
• Following Tools are a plus: Jenkins, UrbanCode Deploy, Qlik Replicate, Git/Bitbucket, ServiceNow, Jira, DBeaver;
• Oracle Certified Professional (OCP) or equivalent certification is a plus.

Profile & Other Requirements

• Professional English C1 (spoken and written) — mandatory; French and/or Dutch is a plus;
• Strong collaboration skills — comfortable working with infrastructure partners, development teams and non-technical stakeholders;
• Structured problem-solving mindset; ability to communicate technical findings clearly;
• Generalising-specialist profile — open to working across multiple database technologies;
• Experience in regulated environments (e.g., financial services) is a strong plus;
• Lisbon/Portugal-based — hybrid working model.

Legal: Must own a valid work permit or EU/Schengen Space Nationality to legally work in Portugal

What We Offer

• 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.