Senior SQL DB Administrator – Hybrid Lisbon & DevOps

Hexa Group; Lisboa; Hybrid; EUR 65,000 - 90,000; Full time

Benefits offered by this job

Private health insurance from day one

Mental health support and wellbeing

Continuous learning and certification

Information security knowledge

Childcare vouchers

Collaborative environment

Leadership accessibility

Job summary

Hexa Group in Lisbon is seeking an experienced Database Administrator to join an international technology environment supporting the banking sector. You will administer SQL Server and related platforms, ensure high availability, and improve operational performance in a hybrid work model.

Working with multidisciplinary teams across development, production, infrastructure and security, you will drive incident response, performance tuning and architectural improvements, while contributing to data

Qualifications

• 6–9 years of professional experience in database administration within complex IT environments.
• Strong experience managing SQL Server and working with heterogeneous database technologies.
• Ability to work autonomously, prioritize operational activities and resolve complex technical issues.
• Experience contributing to database architecture decisions and infrastructure improvement initiatives.
• Strong analytical skills and a structured approach to incident resolution, risk management and service reliability.
• Effective communication and collaboration skills with international and cross-functional teams.
• Commitment to operational quality, technical documentation and continuous improvement.
• Availability for weekly on-call duties and critical operational interventions.

Responsibilities

• Administer and maintain SQL Server and other database platforms, ensuring availability, stability and operational continuity.
• Investigate database incidents, coordinate corrective actions and implement controlled changes in production environments.
• Analyze database performance, optimize queries and recommend improvements to application and infrastructure teams.
• Participate in the technical assessment and implementation of database architectures for business and infrastructure initiatives.
• Support database upgrades, version management and technology lifecycle planning.
• Maintain documentation for database security, monitoring, backup and recovery processes.
• Coordinate with development, production, infrastructure and security teams to ensure consistent service delivery.
• Apply DevOps practices and established infrastructure, operational and security standards.
• Assess emerging database technologies and identify opportunities for technical optimization and modernization.
• Participate in scheduled on-call rotations and provide support during critical production interventions.

Skills

SQL Server administration

Database performance optimization

Incident resolution

Cross-functional collaboration

On-call readiness

Tools

SQL Server

MongoDB

SingleStore

MySQL

PostgreSQL

Job description

Hexa Group in Lisbon is seeking an experienced Database Administrator to join an international technology environment supporting the banking sector. You will administer SQL Server and related platforms, ensure high availability, and improve operational performance in a hybrid work model.

Working with multidisciplinary teams across development, production, infrastructure and security, you will drive incident response, performance tuning and architectural improvements, while contributing to data