Senior Database Architect & Performance Lead

Hexa Group; Lisboa; Hybrid; EUR 70,000 - 110,000; Full time

Benefits offered by this job

Private health insurance

Mental health support

Training & certification support

Flexible work

Childcare vouchers

Community events

AI governance & cybersecurity training

Job summary

Hexa is seeking a Senior Database Administrator to support database operations, architecture validation and continuous optimization within the corporate and investment banking sector. You will work in a complex technology environment, supporting critical database platforms with autonomy and strong operational discipline.

Responsibilities include incident management, performance optimization, architecture definition, security, backup and restoration, and collaboration with DevOps, infrastructure

Qualifications

• 9+ years of experience in database administration within complex IT environments.
• Ability to advise technical teams on performance, queries and architecture decisions.
• Strong autonomy across diverse database technologies and operational contexts.
• Experience supporting production environments with incident, change and availability management.

Responsibilities

• Maintain database operational conditions, including incident management, change management and service continuity.
• Analyze and optimize database performance, supporting applications with query analysis and recommendations.
• Define database architecture, version management and obsolescence planning.
• Document security, monitoring, backups and restoration solutions implemented across databases.
• Support DevOps practices and ensure alignment with infrastructure, operations and security standards.
• Coordinate with stakeholders to ensure database availability and align with production commitments.

Skills

SQL Server

MongoDB

SingleStore

MySQL

PostgreSQL

Performance analysis

Incident management

Change management

Security practices

DevOps collaboration

Cloud & big data awareness

Education

Job description

Hexa is seeking a Senior Database Administrator to support database operations, architecture validation and continuous optimization within the corporate and investment banking sector. You will work in a complex technology environment, supporting critical database platforms with autonomy and strong operational discipline.

Responsibilities include incident management, performance optimization, architecture definition, security, backup and restoration, and collaboration with DevOps, infrastructure