Oracle Database Administrator

Hexa Group; Lisboa; Hybrid; EUR 60,000 - 90,000; Full time

Benefits offered by this job

Private health insurance

Mental health support

Training and certification support

Flexible work arrangements

Job summary

Hexa Group in Lisbon is seeking an experienced Oracle database administrator to join a technology team supporting banking sector environments. The role focuses on availability, security and performance of critical Oracle databases, with a hybrid work model in Lisbon and collaboration with international teams.

You will manage Oracle databases, resolve incidents, optimize performance and contribute to architecture decisions while supporting upgrades and lifecycle management.

Qualifications

• 6 to 9 years of professional experience in Oracle database administration.
• Proven ability to manage database operations independently and resolve technically demanding incidents.
• Experience contributing to database architecture decisions and infrastructure improvement initiatives.
• Strong analytical and problem-solving capabilities, with attention to service quality and operational risk.
• Ability to collaborate effectively with international, cross-functional teams and communicate technical recommendations clearly.
• Responsible and proactive approach to production commitments, change management and continuous improvement.
• Availability to participate in scheduled on-call duties and critical operational interventions.

Responsibilities

• Manage Oracle database environments to ensure operational stability, availability and reliability.
• Investigate production incidents, implement corrective actions and coordinate database changes.
• Analyze database performance, identify bottlenecks and implement optimization measures.
• Contribute to database architecture assessments and technical decisions for new and existing solutions.
• Support database upgrades, lifecycle management and technology modernization initiatives.
• Define and maintain technical documentation covering security, monitoring, backup and recovery procedures.
• Collaborate with application development, infrastructure, operations and security teams to deliver reliable solutions.
• Apply DevOps practices and established operational and security standards.
• Evaluate emerging database technologies and identify opportunities for infrastructure improvement.
• Participate in a weekly on-call rotation and provide support during critical production interventions.

Skills

Oracle DBA experience

Analytical thinking

Problem solving

Cross functional collaboration

On call readiness

Change management

Tools

SQL

Database monitoring

Backup and recovery

Security practices

Job description

ABOUT THE OPPORTUNITY

Join a technology team supporting the banking sector, with a focus on the availability, security and performance of critical Oracle database environments. Based in Lisbon with a hybrid working model, you will collaborate with international technical teams, contribute to database architecture decisions and support the continuous improvement of production services.

WHAT YOU WILL DO

• Manage Oracle database environments to ensure operational stability, availability and reliability.
• Investigate production incidents, implement corrective actions and coordinate database changes.
• Analyze database performance, identify bottlenecks and implement optimization measures.
• Contribute to database architecture assessments and technical decisions for new and existing solutions.
• Support database upgrades, lifecycle management and technology modernization initiatives.
• Define and maintain technical documentation covering security, monitoring, backup and recovery procedures.
• Collaborate with application development, infrastructure, operations and security teams to deliver reliable solutions.
• Apply DevOps practices and established operational and security standards.
• Evaluate emerging database technologies and identify opportunities for infrastructure improvement.
• Participate in a weekly on-call rotation and provide support during critical production interventions.

WHAT WE ARE LOOKING FOR

• 6 to 9 years of professional experience in Oracle database administration, preferably in complex production environments.
• Proven ability to manage database operations independently and resolve technically demanding incidents.
• Experience contributing to database architecture decisions and infrastructure improvement initiatives.
• Strong analytical and problem-solving capabilities, with attention to service quality and operational risk.
• Ability to collaborate effectively with international, cross-functional teams and communicate technical recommendations clearly.
• Responsible and proactive approach to production commitments, change management and continuous improvement.
• Availability to participate in scheduled on-call duties and critical operational interventions.

TECHNICAL SKILLS

• Oracle Database administration, maintenance and troubleshooting.
• SQL query analysis and database performance optimization.
• Database architecture assessment and solution design.
• Database monitoring, availability and operational continuity.
• Backup, restoration and recovery procedures.
• Database security and access management practices.
• Incident, problem and change management in production environments.
• Database version management, upgrades and technology lifecycle management.
• DevOps principles and operational standardization.

NICE TO HAVE

• Familiarity with cloud database architectures and related technologies.
• Awareness of Big Data technologies and evolving database infrastructure approaches.

WHAT WE OFFER

• Private health insurance from your first day, with no waiting periods and optional family extension.
• Free and confidential psychological support through our mental health partnership, including professional guidance and well-being resources.
• Continuous learning opportunities, including training and certification support for professional development.
• Opportunities to strengthen your knowledge of information security, quality management and cybersecurity best practices.
• Childcare vouchers and support measures designed to help balance professional and personal responsibilities.
• A collaborative environment that values professional growth, knowledge sharing and long-term development.
• Regular team initiatives, community activities and accessible leadership.

EQUAL OPPORTUNITY

At Hexa, we promote equal opportunity and an inclusive professional environment where everyone is treated with fairness, dignity and respect. Aligned with the principles of the Portuguese Diversity Charter, we value different backgrounds, experiences and perspectives, ensuring that recruitment decisions are based on skills, qualifications and professional potential.

HEXA LIFE

At Hexa, we are all Builders. Every professional contributes to creating stronger solutions, meaningful projects and lasting professional relationships.

Our culture is built on three essential pillars: honesty, mutual support and agility. We believe in transparent communication, shared responsibility and the ability to adapt and improve together.

As a Hexa Builder, you become part of a connected community where knowledge is shared, contributions are valued and continuous development is encouraged.

Different expertise. Shared values. One team.