Senior Database Administrator – Oracle (ExaCC / Exadata) at Euro Staffs

Euro Staffs; Lisboa; Híbrido; EUR 60 000 - 90 000; Tempo integral

Vantagens oferecidas por esta oferta de emprego

Health and Life Insurance

Tech Visa Company

Hybrid work model in Lisbon

Resumo da oferta

Euro Staffs in Lisboa, Portugal seeks a Senior Database Administrator specialized in Oracle (ExaCC/Exadata) to join our on-site team. You will optimize performance, manage advanced replication and backups, and lead client upgrades in a dynamic, growth-focused environment.

Ideal candidates will have 5–10 years of hands-on Oracle production experience, strong tuning skills, and proficiency with ExaCC, ZFS, ZDLRA, and audit/compliance controls.

Qualificações

• University degree in Computer Science, Engineering or comparable technical field.

Responsabilidades

• Optimize Oracle database performance through compression, query tuning and indexing strategy.
• Fine-tune Oracle CPU allocation on ExaCC to maximize efficiency and minimize waste.
• Optimize backup and recovery with ZFS and ZDLRA appliances for reliability and cost-effectiveness.
• Lead migration projects including 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.

Conhecimentos

Oracle databases

Performance tuning

ExaCC

ZFS

ZDLRA

Kerberos authentication

SQL/PLSQL scripting

TDE encryption

Azure SQL knowledge

PostgreSQL knowledge

Formação académica

University degree in Computer Science or comparable field

Ferramentas

Oracle SQL Developer

Toad for Oracle

Jenkins

UrbanCode Deploy

Git/Bitbucket

Descrição da oferta de emprego

Apply for Senior Database Administrator – Oracle (ExaCC / Exadata) at Euro Staffs in Lisboa, P11, PT. This Full time on site position offers great opportunities for career growth.

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

• 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
• 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
• Strong collaboration skills — comfortable working with infrastructure partners, development teams and non-technical stakeholders
• Structured problem‑solving mindset
• ability to communicate technical findings clearlyGeneralizing-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…)

Extra Benefits & Perks

• 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.