Senior Database Administrator managing critical infrastructure and multiple database platforms for energy services. Collaborating within a team on high - impact projects that support operational technology services.
About the role
- Database Administrator (AWS) at Keyrus in Porto providing expert database management and optimal performance across AWS systems. Join a multinational company and make a difference in data consultancy.
Responsibilities
- Manage installation, configuration, and administration of database systems on AWS.
- Monitor and enhance database performance, ensuring high availability and reliability.
- Conduct query optimisation and implement performance tuning strategies.
- Oversee workload management for efficient resource utilisation.
- Collaborate with development and infrastructure teams to ensure optimal data flow and performance across environments.
- Participate in on-call rotations and shift coverage to maintain round-the-clock support.
- Contribute to the continuous improvement of database management processes and documentation.
- Influence technology strategy by proposing innovative and pragmatic solutions for future database architecture and automation.
Requirements
- Master’s degree in Information Technology, Mathematics, Physics, Statistics, Engineering, or equivalent professional experience
- Minimum 5 years of experience supporting AWS database environments
- Demonstrated expertise in database installation, tuning, optimisation, and administration
- Experience working in international, distributed teams with multiple business and technical stakeholders
- Demonstrated expertise in AWS RDS, with hands-on experience managing complex, high-availability environments
- Deep knowledge of Aurora PostgreSQL, including configuration, performance tuning, and operational support
- Proven experience administering MySQL databases in production, ensuring reliability and scalability
- Strong technical background working with Amazon Redshift, from setup to optimisation for analytics workloads
- Solid experience in database performance tuning, with the ability to diagnose and resolve bottlenecks efficiently
- Skilled in SQL query optimisation, improving execution times and resource utilisation
- Proficient in the installation and configuration of database systems within AWS cloud infrastructures
- Experience with workload management, ensuring optimal distribution of database resources and performance
- Advanced understanding of AWS IAM, including user roles, security policies, and access control
- Familiarity with AWS Lambda, leveraging serverless functions for automation and operational efficiency
- Competent in using AWS CloudWatch to monitor database performance, metrics, and alerts proactively
- Strong working knowledge of AWS S3, including data storage integration and lifecycle management best practices
- Fluent in English.
- Must be a Portuguese or European citizen or have a work permit for Portugal.
Benefits
- Meal allowance of €8.32 per day
- Flexible benefits option
- Private Medical Insurance
- 22 days of annual leave (increasing every 3 years up to a maximum of 25 days)
- Training Program through KLX (Keyrus Learning Experience) Platform
Job title
Job type
Experience level
Salary
Degree requirement
No Education Requirement
Tech skills
Location requirements
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