Database Administrator

# Think Data Be Smart #

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.

Join our team as a Database Administrator (Hybrid – Porto)!

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

At DataSmart, you will have the opportunity to integrate into a solid company and participate in projects of high recognition, nationally and internationally, with an appealing technological environment and career progression.

Excellence in the way to the future!

Connect with Us: Follow us on LinkedIn for updates on career opportunities, company news, and industry insights! For further details, visit us at www.datasmart.pt

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