Senior Database Administrator – Oracle at LUZA Group

LUZA Group; Lisboa; Presencial; EUR 60 000 - 90 000; Tempo integral

Vantagens oferecidas por esta oferta de emprego

Remote work when possible

Equipment provided

Benefits plan

Resumo da oferta

LUZA Group in Lisboa is seeking a Senior Database Administrator – Oracle to optimize and maintain Oracle databases in production, focusing on ExaCC performance, compression, and efficient resource usage.

You will lead migrations to Kerberos authentication and collaborate with infrastructure and development teams to ensure robust backups, security, and scalable architectures.

Qualificações

• 5-10 years of hands-on Oracle database experience in production.
• Strong background in performance tuning and resource optimization.
• Experience with ExaCC, ZFS or ZDLRA is a strong plus.

Responsabilidades

• Optimize Oracle DB performance with compression, indexing and tuning.
• Fine-tune CPU allocation on ExaCC to reduce waste and improve efficiency.
• Improve backup/recovery for Oracle ZFS and ZDLRA; ensure cost-effectiveness.
• Lead migrations to Kerberos authentication and client upgrades.
• Guide teams on best practices for database design and scalability.
• Perform root-cause analysis on performance incidents.

Conhecimentos

Oracle performance tuning

Query optimization

Linux/Unix OS

Kerberos authentication

Formação académica

University degree in Computer Science, Engineering or comparable technical field

Ferramentas

ExaCC

ZFS

ZDLRA

Descrição da oferta de emprego

Senior Database Administrator – Oracle at LUZA Group. Full time, on site position offers great opportunities for career growth.

Location: Lisboa, P11, PT.

Sobre o trabalho Senior Database Administrator – Oracle 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!