AWS Database Administrator

Hexa Group; Porto; Hybrid; EUR 70,000 - 100,000; Full time

Benefits offered by this job

Private health insurance

Mental health support access

Learning and certification support

Flexible work arrangements

Childcare vouchers

Job summary

Hexa Group in Porto seeks a Senior AWS Database Administrator to support mission-critical databases in a financial market infrastructure. The role is hybrid in Porto and focuses on operational support, optimization and ongoing improvement of AWS database services across international environments.

You will install, configure and maintain AWS databases (RDS, Aurora PostgreSQL/MySQL, Redshift), tune performance, analyze workloads and contribute to international projects.

Qualifications

• Minimum 5 years of experience as a Database Administrator for mission-critical environments.
• Fluent English (B2 or higher) written and spoken.
• Ability to work independently with strong prioritization and meeting deadlines.
• Strong problem-solving skills and pragmatic approach to operations.
• Effective communication with business and technical stakeholders.
• Willingness to share knowledge and collaborate with the team.
• Master’s degree in IT/Engineering or equivalent professional experience.
• Availability for a 10-hour shift coverage model, 5 days a week, and on-call rotation about one week per month.

Responsibilities

• Support the full database layer across multiple services and platforms.
• Install, configure and maintain AWS database environments focusing on reliability and performance.
• Analyze and optimize database performance, queries and workloads.
• Participate in international projects and influence technology decisions.
• Collaborate with business and technical stakeholders across levels.
• Assist in incident analysis, problem resolution and operational improvements.
• Share knowledge and contribute to a pragmatic, collaborative environment.
• Participate in shift coverage and on-call rotation as needed.

Skills

AWS databases

Performance tuning

Query optimization

Workload management

Incident analysis

Stakeholder communication

Team collaboration

Shift-based on-call

Education

Master’s degree in IT/Engineering or equivalent

Tools

AWS RDS

Amazon Aurora PostgreSQL

Amazon Aurora MySQL

Amazon Redshift

CloudWatch

Job description

We are looking for a Senior AWS Database Administrator to support mission-critical database environments within the financial market infrastructure sector. The role is based in a hybrid model in Porto and involves operational support, optimization and continuous improvement of AWS database services used in international technology environments.

WHAT YOU WILL DO

• - Support the full database layer across multiple services, technologies and business-critical platforms.
• - Install, configure and maintain AWS database environments with a focus on reliability, performance and operational continuity.
• - Analyze and optimize database performance, queries and workloads to support stable and efficient service delivery.
• - Participate in international projects and contribute to current and future technology decisions.
• - Work closely with business and technical stakeholders, communicating clearly across different levels of the organization.
• - Support incident analysis, problem resolution and continuous improvement of database operations.
• - Share knowledge and experience with the team, contributing to a collaborative and pragmatic working environment.
• - Participate in shift coverage and on-call rotation according to operational needs.

WHAT WE ARE LOOKING FOR

• - At least 5 years of experience as a Database Administrator supporting mission-critical environments.
• - Professional working proficiency in English, both written and spoken, at B2 level or above.
• - Experience working independently with minimum supervision, managing priorities and deadlines responsibly.
• - Strong problem-solving skills and a pragmatic approach to operational challenges.
• - Ability to communicate effectively with both business and technical stakeholders.
• - Good team collaboration skills, with willingness to share knowledge and support others.
• - Motivation to grow within the role and contribute to continuous service improvement.
• - Master’s degree in Information Technology, Mathematics, Physics, Statistics, Engineering or equivalent professional experience.
• - Availability to work in a 10-hour shift coverage model, 5 days per week, and to participate in on-call rotation approximately one week per month.

TECHNICAL SKILLS

• - AWS RDS.
• - Amazon Aurora PostgreSQL.
• - Amazon Aurora MySQL.
• - Amazon Redshift.
• - Database installation and configuration.
• - Database performance tuning.
• - Query optimization.
• - Workload management.
• - Mission-critical database operations.
• - Incident analysis and operational support.

NICE TO HAVE

• - AWS S3.
• - AWS IAM.
• - AWS Lambda.
• - Amazon CloudWatch.
• - Additional experience with AWS operational monitoring and automation practices.

WHAT WE OFFER

• - Private health insurance from day one, with no waiting periods and optional family extension.
• - Confidential and free access to psychological support, content and live sessions through our mental health support partnership.
• - Continuous learning, training and certification support to strengthen long-term capability development.
• - Flexibility whenever the role and context allow it, supporting sustainable delivery and daily balance.
• - Childcare vouchers and practical support measures designed to help balance personal and professional life.
• - Team moments, shared milestones and leadership presence that strengthen connection across the organization.
• - Upskilling opportunities in quality management, information security, AI governance or cybersecurity best practices, when relevant to your path.

EQUAL OPPORTUNITY

Hexa is committed to inclusive and fair recruitment practices. We value different backgrounds, experiences and perspectives, and we support the principles of the Portuguese Diversity Charter in the way we build teams and opportunities.

HEXA LIFE

At Hexa, every professional is a Builder. We work with honesty, mutual support and agility, contributing with responsibility and purpose to projects, solutions and professional relationships that are built to last.