Senior Database Administrator – Oracle (ExaCC / Exadata)

bridge351; Lisboa; Híbrido; EUR 70 000 - 110 000; Tempo integral

Vantagens oferecidas por esta oferta de emprego

Health and life insurance

Remote work options

International career opportunities

Resumo da oferta

bridge351 seeks an experienced Oracle DBA to optimize database performance on ExaCC with a focus on CPU efficiency, compression and storage cost reduction. You will guide teams through best practices and lead critical migrations including Kerberos authentication and Oracle Client upgrades.

You will collaborate with infra, development and project stakeholders, ensuring robust performance, security and scalable design across multi‑platform environments including Azure SQL and PostgreSQL.

Qualificações

• University degree in Computer Science or comparable technical field.
• 5–10 years of hands-on Oracle DB experience in production environments.
• Proven expertise in performance tuning, compression and resource optimization.

Responsabilidades

• Optimize Oracle database performance via compression, tuning and indexing for ExaCC efficiency.
• Fine‑tune CPU allocation on ExaCC to maximize used/allocated ratio and minimize waste.
• Optimize backup and recovery for Oracle ZFS and ZDLRA for reliability and cost‑effectiveness.

Conhecimentos

Oracle performance tuning

ExaCC

ZFS

ZDLRA

Linux/Unix

Formação académica

University degree in Computer Science

Ferramentas

Oracle SQL Developer

Toad for Oracle

Jenkins

UrbanCode Deploy

Qlik Replicate

Git/Bitbucket

ServiceNow

Jira

DBeaver

Descrição da oferta de emprego

• 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 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.

Qualifications

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 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...)

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.