SQL Server Database Administrator

Nimber; Lisboa; On-site; EUR 60,000 - 80,000; Full time

Job summary

Nimber is seeking an experienced SQL Server Database Administrator to manage, optimise and modernise critical bank-grade database infrastructures in a multi-database environment, primarily MS SQL Server with exposure to Sybase. You will drive performance, security and high availability in production systems and contribute to cloud initiatives.

You’ll automate operations with T-SQL and PowerShell, support development teams, and participate in migrations, incidents and disaster recovery planning.

Qualifications

• Solid experience with Microsoft SQL Server administration in production.
• Strong T-SQL and PowerShell scripting capabilities.
• Proven performance tuning, troubleshooting and query optimisation.
• Hands-on experience with Always On Availability Groups and Transactional Replication.
• Experience with SQL Server migrations and infrastructure maintenance.
• Understanding of database architecture, security and networking.
• Experience with monitoring, incident management and production support.
• Knowledge of Microsoft BI tools (SSRS/SSIS/SSAS) and Power BI Report Server.
• Familiarity with change management, release processes and disaster recovery.
• Excellent analytical, problem-solving and communication skills.
• English and French language skills.

Responsibilities

• Administer, maintain and optimise Microsoft SQL Server environments (2014+).
• Manage upgrades, migrations and platform modernisation initiatives.
• Develop and maintain T-SQL and PowerShell scripts for automation.
• Monitor performance, identify bottlenecks and apply optimisation strategies.
• Implement high availability solutions including Always On AG and replication.
• Support dev teams with SQL queries, stored procedures and modelling.
• Monitor production databases and participate in incident resolution.
• Manage changes, deployments and release activities.
• Administer and optimise SSRS/SSIS/SSAS and Power BI Report Server.
• Perform audits, maintenance and security compliance checks.
• Contribute to business continuity and DR exercises.
• Maintain technical documentation and procedures.
• Participate in cloud initiatives involving Azure, AWS and GCP.
• Explore SQL Server 2022/2025 capabilities and PolyBase/Hadoop integrations.

Skills

SQL Server administration

T-SQL scripting

PowerShell scripting

Always On AG

Transactional Replication

SQL Server migrations

Monitoring

Security compliance

SSRS

SSIS

SSAS

Power BI Report Server

Azure/AWS/GCP

Networking & security

English

French

Sybase

Tools

Sybase

Job description

At Nimber, we're looking for an experienced SQL Server Database Administrator (DBA) to join a challenging project within the banking sector, focused on managing, optimising and modernising critical database infrastructures.

You’ll work in a multi-database environment, primarily Microsoft SQL Server, with exposure to Sybase, ensuring the performance, security and availability of business-critical systems.

This role combines hands‑on database administration, performance optimisation, automation and infrastructure modernisation, with opportunities to contribute to cloud initiatives and emerging database technologies.

What You’ll Be Doing

• Administer, maintain and optimise Microsoft SQL Server environments (versions 2014 onwards).
• Manage database infrastructure upgrades, migrations and platform modernisation initiatives.
• Develop and maintain T‑SQL and PowerShell scripts for automation, administration and operational improvements.
• Monitor database performance, identify bottlenecks and implement optimisation strategies.
• Implement and maintain high availability solutions, including Always On Availability Groups and Transactional Replication.
• Support development teams with SQL query optimisation, stored procedures and database modelling.
• Monitor production databases, investigate incidents and participate in critical incident resolution.
• Manage database changes, production deployments and release activities.
• Administer and optimise Microsoft BI technologies, including SSRS, SSIS, SSAS and Power BI Report Server.
• Perform database audits, maintenance activities and security compliance checks.
• Contribute to business continuity and disaster recovery exercises.
• Maintain technical documentation and operational procedures.
• Participate in database projects involving Azure, AWS and GCP.
• Explore new capabilities in SQL Server 2022/2025 and integrations with technologies such as PolyBase and Hadoop.

What We’re Looking For

• Solid professional experience in Microsoft SQL Server administration, particularly in production environments.
• Strong knowledge of T‑SQL and PowerShell scripting.
• Proven experience with database performance tuning, troubleshooting and query optimisation.
• Hands‑on experience with Always On Availability Groups and Transactional Replication.
• Experience with SQL Server migrations, upgrades and infrastructure maintenance.
• Good understanding of database architecture, networking, infrastructure and security.
• Experience with database monitoring, incident management and production support.
• Knowledge of Microsoft BI tools, including SSRS, SSIS, SSAS and Power BI Report Server.
• Familiarity with change management, release processes and disaster recovery procedures.
• Strong analytical, problem‑solving and communication skills.
• English and French language skills.

Nice to Have

• Experience administering Sybase databases.
• Exposure to cloud database services, particularly Microsoft Azure, AWS or GCP.
• Knowledge of SQL Server 2022/2025, PolyBase or Hadoop.
• Experience with .NET development, C#, Angular or Rust, particularly for monitoring tools and internal platforms.
• Previous experience in banking or other business‑critical environments.

Additional Information

This position requires on‑call availability and may involve staggered working hours to support critical production systems.

Why Nimber?

At Nimber, we don't believe in simply filling vacancies. We believe in connecting talented people with meaningful challenges, encouraging innovation and creating opportunities to make a real impact.

If you're passionate about database administration, enjoy solving complex technical challenges and want to contribute to the reliability and evolution of critical IT infrastructures, we'd love to hear from you.