Senior Database Administrator – Oracle

LUZA Group; Lisboa; Teletrabalho; EUR 60 000 - 110 000; Tempo integral

Vantagens oferecidas por esta oferta de emprego

Remote work whenever possible

Equipment provided

Benefits plan

Resumo da oferta

Luza Group is a consulting firm focused on talent, tech and innovation, seeking an experienced Oracle Database Specialist to optimize performance and lead data-centric projects across platforms. You will work with ExaCC, ZFS, and ZDLRA teams to ensure efficient, secure data services.

Remote work is possible; candidates with 5–10 years of production Oracle DB experience are encouraged to apply. Join a dynamic team delivering impact for clients across industries.

Qualificações

• University degree in Computer Science, Engineering or related field.
• 5–10 years of hands-on Oracle DB experience 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/Unix (primary) and Windows (secondary).

Responsabilidades

• Optimize Oracle DB performance via compression, query tuning and indexing.
• Fine-tune ExaCC CPU allocation to improve usage efficiency.
• Optimize backup/recovery for Oracle ZFS and ZDLRA, cost-effectively.
• Lead key projects including Kerberos auth and Oracle client upgrades.
• Advise development teams on database design, SQL, performance and scale.
• Perform root cause analysis of performance incidents escalated from infra.
• Enforce access controls, TDE, auditing and audit-quality docs.
• Contribute to multi-platform environments (Azure SQL, PostgreSQL, Synapse).
• Collaborate with infra partners, dev teams and stakeholders.

Conhecimentos

Performance tuning

Compression techniques

Resource optimization

ExaCC

ZFS

ZDLRA

Oracle databases

Linux/Unix

Formação académica

University degree in Computer Science, Engineering or comparable technical field

Ferramentas

Oracle Database Tools

Kerberos authentication

Azure SQL

PostgreSQL

Synapse

Descrição da oferta de emprego

Luza is an all-inclusive consulting company focused on talent, tech and innovation. We exist to elevate companies and humans all around the world, making change, from the inside to the outside.

We believe that technology + human kindness positively impacts every community around the world. Our approach is simple, we see a world without borders, and believe in equal opportunities. We are guided by our core principles of spreading positivity, good energy and promote equality and care for others.

Our hiring process is unique! People are selected by their value, education, talent and personality. We dont present ethnicity, religion, national origin, age, gender, sexual orientation or identity.

Its time to burst the bubble, and we will do it together!

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.

Who You Are:

• 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).

What you'll get:

• Wage according to candidate's professional experience;
• Remote Work whenever possible;
• Delivery of work equipment adjusted to the performance of functions;
• Benefits plan;
• And others.

Work together with expert teams on projects of large magnitude and intensity, long term together with our clients, all leaders in their industries.

Are you ready to step into a diverse and inclusive world with us?

Together we will promote uniquess!