Senior Database Administrator – Oracle (Exacc / Exadata)

Bridge 351; Lisboa; Híbrido; EUR 70 000 - 120 000; Tempo integral

Vantagens oferecidas por esta oferta de emprego

Health insurance

Life insurance

Resumo da oferta

Bridge 351 in Lisbon is seeking a Senior Database Administrator – Oracle (ExaCC/Exadata) to optimize performance and cost efficiency. You will lead migrations, tune CPU usage, and ensure robust backup/recovery across Exadata and ZFS/ZDLRA environments.

The role requires advanced Oracle DB skills, Kerberos auth, and cross-platform collaboration, with a hybrid Lisbon-based work model and opportunities for international exposure.

Qualificações

• University degree in Computer Science, Engineering or comparable technical field.
• 5-10 years of hands-on Oracle database experience in production.
• Proven expertise in performance tuning and resource optimization.
• Experience with ExaCC, ZFS and ZDLRA is a strong plus.
• Linux/Unix (primary) and Windows knowledge.

Responsabilidades

• Optimize Oracle DB performance via compression, tuning and indexing.
• Fine-tune ExaCC CPU allocation for efficiency.
• Improve backup/recovery for ZFS/ZDLRA appliances.
• Lead projects like Kerberos auth and Oracle Client upgrades.
• Guide teams on DB design, SQL coding and scalability.
• Perform root cause analyses of performance incidents.
• Enforce access controls, auditing and encryption.
• Collaborate across multi-platform environments when relevant.

Conhecimentos

Oracle performance tuning

ExaCC optimization

SQL/PLSQL scripting

RAC/Data Guard

RMAN/OEM

ZFS/ZDLRA knowledge

Kerberos authentication

Linux/Unix OS

Exadata awareness

Oracle Client upgrades

Azure SQL / PostgreSQL knowledge

Git/Bitbucket/Jira

SQL Developer / Toad

DBeaver

Jenkins / UrbanCode Deploy

Qlik Replicate

Formação académica

University degree in Computer Science or related field

Ferramentas

Oracle SQL Developer

TOAD for Oracle

Descrição da oferta de emprego

Senior Database Administrator – Oracle (ExaCC / Exadata)

What You'll Do

Optimize 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 maximize the used/allocated ratio and minimize waste;

Optimize 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

Qualifications

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 optimization;

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 optimization, compression techniques, query tuning, Exadata awareness;

Kerberos authentication and Oracle Client upgrades;

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;

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;

Experience in regulated environments (e.g., financial services) is a strong plus;

Lisbon/Portugal-based — hybrid working model.

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…)

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.