Senior Database Administrator (DBA)

Decskill; Lisboa; Sur place; EUR 55 000 - 75 000; Plein temps

Résumé du poste

Decskill, an IT consulting company with over 10 years of experience, is seeking a Senior Database Administrator (DBA) to join our Lisbon team. The ideal candidate will have strong experience in SQL Server and T-SQL, combined with Oracle database knowledge and a problem-solving mindset.

You will administer and optimize database environments, provide production support, and work with Development and Infrastructure teams to deliver reliable, scalable solutions.

Qualifications

• Senior DBA / Database Administrator with proven experience.
• Strong experience with Microsoft SQL Server.
• Solid experience with SQL and T-SQL.
• Good knowledge of Oracle Database.
• Experience in SQL query optimization and performance tuning.
• Knowledge of backup, restore and recovery processes.
• Experience with production support and database troubleshooting.
• Strong problem-solving and analytical skills.
• Excellent communication and interpersonal skills.
• Ability to work with cross-functional teams and stakeholders.
• Good level of English, both written and spoken.

Responsabilités

• Administer, monitor and maintain database environments ensuring availability, performance and stability.
• Develop, analyze and optimize SQL/T-SQL queries and stored procedures.
• Perform database performance tuning and identify optimization opportunities.
• Troubleshoot and resolve complex database incidents and performance issues.
• Provide technical support for production environments and timely resolution.
• Perform and support backup, restore and recovery activities.
• Support database maintenance, upgrades and migrations.
• Monitor database performance, capacity and availability and anticipate issues.
• Collaborate with Development, Infrastructure and Application Support teams to resolve problems.
• Document procedures, configurations and troubleshooting solutions.

Connaissances

Microsoft SQL Server

SQL

T-SQL

Oracle Database

SQL query optimization

Performance tuning

Backup and recovery

Production support

Analytical skills

Communication

Team collaboration

Description du poste

We are growing. And we are looking for talented people.

At Decskill, we believe that technological excellence is driven by human talent.

We are an IT consulting company with more than 10 years of consolidated experience in the market, focused on building long-term relationships with both our clients and our people. Today, we are a community of over 800 professionals, working from Lisbon, Porto, and Madrid, contributing to impactful technology initiatives.

As part of the Astek Group, we combine a strong local culture with a global presence, being active in around 23 countries across 4 continents. This allows us to offer an international context, diverse challenges, and long-term career opportunities, while staying close to our teams.

We would like to meet a Senior Database Administrator (DBA)!

Mission

We are looking for a Senior Database Administrator (DBA) to join our team in Lisbon. The ideal candidate will have strong experience in SQL Server and T-SQL, combined with good knowledge of Oracle databases, and a strong problem-solving mindset.

Responsibilities

• Administer, monitor and maintain database environments, ensuring their availability, performance and stability.
• Develop, analyze and optimize SQL/T-SQL queries, stored procedures and database structures.
• Perform database performance tuning and identify opportunities for optimization.
• Troubleshoot and resolve complex database incidents and performance issues.
• Provide technical support for production environments and ensure timely resolution of database-related issues.
• Perform and support backup, restore and recovery activities.
• Support database maintenance, upgrades and migrations.
• Monitor database performance, capacity and availability, proactively identifying potential issues.
• Work closely with Development, Infrastructure, Application Support and other technical teams to investigate and resolve problems.
• Analyze complex technical issues and propose effective and sustainable solutions.
• Contribute to continuous improvement of database administration processes and solutions.
• Document technical procedures, configurations and troubleshooting solutions.

Requirements

• Proven professional experience as a Senior DBA / Database Administrator.
• Strong experience with Microsoft SQL Server.
• Solid experience with SQL and T-SQL.
• Good knowledge of Oracle Database.
• Experience in SQL query optimization and performance tuning.
• Knowledge of database backup, restore and recovery processes.
• Experience with production support and database troubleshooting.
• Strong problem-solving and analytical skills.
• Solution-oriented mindset, with the ability to investigate complex technical issues and identify effective solutions.
• Good communication and interpersonal skills.
• Ability to work collaboratively with different technical teams and stakeholders.
• Good level of English, both written and spoken.

Are you looking for an environment that values curiosity and commitment? Here, your contribution has real impact and individual growth is taken seriously.

Find with us the right opportunity to grow!

What you can expect from us

• Long-term projects with national and international context.
• Opportunities to grow technically and professionally.
• A people-first culture, focused on transparency and trust.
• Teams that value ownership, collaboration and stability.

At Decskill, we are committed to equal opportunities and non-discrimination. We promote a culture of diversity and inclusion, where recruitment and career progression are based solely on talent, regardless of age, gender, ethnicity, race, nationality, or any other form of discrimination incompatible with human dignity.