Onsite DBA in Lisbon — High-Performance & Secure Databases

Air Apps; Roma; On-site; EUR 55,000 - 69,000; Full time

Benefits offered by this job

Apple hardware ecosystem

Annual Bonus

Top-tier Health and Life Insurance

Transportation Budget

Coverflex benefits package for meal &

Childcare support

Air Conference

Pension Fund

Urban Sports Club membership

Meals 100% free at the hub

Job summary

Air Apps is seeking an experienced Database Administrator to design, optimize, and secure our large-scale database systems powering an AI-driven platform. You will tune performance, implement robust backup/recovery, and collaborate with engineering to ensure data integrity across SQL and NoSQL environments.

The role is fully on-site in Lisbon, with relocation support available. You'll work with cloud databases, modern data stores, and CI/CD workflows in a fast‑paced, innovative setting.

Qualifications

• 4+ years as a Database Administrator (DBA) or similar role.
• Expertise in relational and NoSQL databases such as PostgreSQL, MySQL, SQL Server, MongoDB, Redis, Cassandra, DynamoDB.
• Strong knowledge of database optimization, indexing, partitioning, replication, and disaster recovery.
• Experience with performance tuning and troubleshooting slow queries.
• Familiarity with backup, recovery, failover strategies and cloud database services.
• Scripting for automation (Python, Bash, SQL).
• Knowledge of data security best practices and GDPR/compliance.

Responsibilities

• Design, implement, and maintain high‑performance database systems to support large‑scale applications.
• Optimize queries, indexing, and data models for performance and scalability.
• Monitor health, availability, and disaster recovery of databases.
• Manage SQL/NoSQL databases (PostgreSQL, MySQL, MongoDB, Redis, DynamoDB).
• Automate backups, replication, and failover mechanisms.
• Collaborate with developers and DevOps to integrate databases into CI/CD workflows.
• Ensure data governance and security across systems.

Skills

DBA experience

PostgreSQL

MySQL

SQL Server

NoSQL (MongoDB, Redis, Cassandra, Dyno

Performance tuning

Query optimization

Replication

Cloud databases (AWS RDS, Aurora, GCP,

Scripting (Python, Bash, SQL)

Data security best practices

CI/CD integration

Tools

AWS RDS

Aurora

Google Cloud Spanner

Azure SQL

Job description

Air Apps is seeking an experienced Database Administrator to design, optimize, and secure our large-scale database systems powering an AI-driven platform. You will tune performance, implement robust backup/recovery, and collaborate with engineering to ensure data integrity across SQL and NoSQL environments.

The role is fully on-site in Lisbon, with relocation support available. You'll work with cloud databases, modern data stores, and CI/CD workflows in a fast‑paced, innovative setting.