Database Administrator

DataSmart; Porto; Presencial; EUR 40 000 - 60 000; Tempo integral

Resumo da oferta

A DataSmart, localizada em Porto, procura um Administrador de Banco de Dados com forte experiência em Amazon Redshift. O candidato será responsável pela gestão de sistemas de bancos de dados críticos assegurando alta disponibilidade e segurança, especialmente em ambientes de produção.

A posição requer conhecimentos em AWS, recuperação de desastres e capacidade de trabalhar sob pressão. Venha fazer parte da nossa equipa!

Qualificações

• Mínimo de 5 anos de experiência como Administrador de Banco de Dados em ambientes de produção.
• Experiência prática em gerenciamento de cluster Amazon Redshift.
• Experiência sólida com pelo menos um RDBMS adicional.

Responsabilidades

• Responsável pela gestão operacional e desempenho de sistemas de banco de dados críticos.
• Garantir alta disponibilidade, desempenho e segurança de bancos de dados em produção.
• Diagnosticar e resolver problemas de desempenho utilizando ferramentas de monitoramento.

Conhecimentos

Amazon Redshift

AWS database services

RDBMS (Oracle, PostgreSQL, MySQL, SQL Server)

Alta disponibilidade

Recuperação de desastres

Performance tuning

Gestão de incidentes

Descrição da oferta de emprego

Tel.: [phone] - Lisboa
Tel.: [phone] - Braga
Fax: [phone]
(Chamada para a rede fixa nacional) (Call to the national fixed network)

About Us

DataSmart is a Portuguese company, positioning itself as a consulting company of excellence, with over 20 years of existence. We are specialized in Technologies and Information Systems services, for the Portuguese and International markets. We pride ourselves on fostering a culture of involvement, experience, and excellence.

What You’ll Do

You will be responsible for the operational management and performance of mission-critical database systems running on AWS and on-premises environments. You will ensure high availability, performance, security, and disaster recovery of large-scale production databases supporting financial market infrastructure with zero tolerance for downtime. Your main focus will be Amazon Redshift, including cluster monitoring, workload management (WLM), performance tuning, and optimization of large-scale datasets using VACUUM and ANALYZE processes. You will diagnose and resolve performance issues using system views, monitoring tools, and AWS CloudWatch, ensuring continuous stability of production environments.

Qualifications

• Minimum 5 years of experience as a Database Administrator in production environments
• Strong, hands-on expertise in Amazon Redshift (cluster management, WLM, performance tuning, VACUUM/ANALYZE, SVL/STV diagnostics)
• Solid experience with at least one additional RDBMS (Oracle, PostgreSQL, MySQL, or SQL Server)
• Proven experience in AWS database services (RDS, Aurora, or similar)
• Strong understanding of high-availability, disaster recovery, and performance optimization in large-scale environments
• Experience working in mission-critical, 24/7 or high-availability systems
• Ability to work under pressure during critical incidents with senior stakeholders
• Availability for on-call rotation and Saturday maintenance windows
• Strong communication, problem-solving, and incident management skills

Closing

Do you accept the challenge?

We are waiting for you!