Senior SQL Specialist / Application DBA – Hybrid (Lisbon)

MOZAYDO; Lisboa; Hybrid; EUR 60,000 - 90,000; Full time

Job summary

MOZAYDO in Lisbon is seeking a Senior SQL Specialist / Application DBA to administer, optimise and secure Microsoft SQL Server environments supporting banking applications.

You will implement HA/DR, monitor performance, tune queries, and collaborate with development teams to ensure data integrity and availability in a hybrid, Lisbon-based role. Fluency in Portuguese and English is required, with a hybrid work model in Lisbon supporting collaboration across teams.

Qualifications

• 5+ years of experience administering SQL Server in complex environments.
• Strong T-SQL skills: queries, procedures, functions, indexes.
• Experience with performance monitoring using SQL Server tools.
• Knowledge of Always On, Clustering, Log Shipping, and Replication.
• Backup and recovery within Microsoft ecosystem.
• Experience with SSIS and SSAS.
• Strong analytical and problem-solving abilities.
• Detail-oriented with good organization and communication.
• Portuguese native and good technical English.
• Hybrid work availability in Lisbon.

Responsibilities

• Administer Microsoft SQL Server instances across production and development environments.
• Define security, backup, recovery, and high availability policies.
• Monitor performance and resolve bottlenecks in DB and applications.
• Analyse slow queries and execution plans; implement improvements.
• Tune SQL code, procedures, and functions.
• Support development teams with DB design and implementation.
• Plan upgrades, migrations, patches; develop automated scripts.
• Adopt data governance and data management best practices.

Skills

T-SQL mastery

SQL Server Admin

Performance tuning

High availability

SSIS/SSAS

Backup & recovery

Query optimization

Data governance

Problem solving

Portuguese native

English technical

Hybrid Lisbon availability

Tools

SQL Server Profiler

Extended Events

DMVs

Job description

MOZAYDO in Lisbon is seeking a Senior SQL Specialist / Application DBA to administer, optimise and secure Microsoft SQL Server environments supporting banking applications.

You will implement HA/DR, monitor performance, tune queries, and collaborate with development teams to ensure data integrity and availability in a hybrid, Lisbon-based role. Fluency in Portuguese and English is required, with a hybrid work model in Lisbon supporting collaboration across teams.