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# Database Administrator (DBA)

- **Company:** Air Apps
- **Location:** München, Germany
- **Experience:** Experienced
- **Salary:** €55,000.0 - €69,000.0
- **Contract:** Permanent contract
- **Skills:** Adaptable Database Systems, Artificial Intelligence, Backup Devices, Bash Shell, Big Data, Cloud Database, Databases, Continuous Integration, Data Governance, Data Integrity, Data Security, Relational Databases, Database Queries, Database Security, DevOps, Disaster Recovery, Amazon DynamoDB, Failover, Python (Programming Language), PostgreSQL, Microsoft SQL Server, SQL Azure, MongoDB, MySQL, NoSQL, Performance Tuning, Query Optimization, Redis, SQL Databases, Backup and Restore, Scripting, Google Cloud, Enterprise Software Applications, System Availability, Database Optimization, Indexer, Amazon Relational Database Service, Cassandra, Database Backup
- **Published:** August 30, 2026
- **Apply:** https://www.careerjet.de/jobad/deb03db0651ad0a2c7a996093d82478d5d

## About the Role

Around 4+ years of experience as a Database Administrator (DBA) or similar role.
Expertise in relational databases (PostgreSQL, MySQL, SQL Server) and/or NoSQL databases (MongoDB, Redis, Cassandra, DynamoDB).
Strong knowledge of database optimization, indexing, partitioning, and replication.
Experience in performance tuning, query optimization, and troubleshooting slow queries.
Familiarity with database backup, recovery, failover, and disaster recovery strategies.
Experience with cloud database services (AWS RDS, Aurora, Google Cloud Spanner, Azure SQL).
Knowledge of scripting for automation (Python, Bash, SQL scripts).
Understanding of data security best practices, encryption, and compliance requirements.
Experience working with large, complex datasets and high-traffic applications.
Ability to work with DevOps teams to integrate databases into CI/CD workflows.

## Description

As a Database Administrator (DBA) at Air Apps, you will be responsible for managing, optimizing, and securing large-scale, complex databases. You will work with engineering teams to design, implement, and maintain high-performance, scalable, and resilient database systems that power our AI-driven platform.
Your role will involve database tuning, backup and recovery strategies, monitoring, and ensuring data integrity while working with structured and unstructured data sources.
This is a fully onsite position, based at our office in Lisbon, where you will collaborate closely with cross-functional teams in person and contribute to a dynamic and fast-paced environment. We are open to support with relocation efforts.
Responsibilities
Design, implement, and maintain high-performance database systems to support large-scale applications.
Optimize database queries, indexing strategies, and partitioning to enhance performance.
Monitor database health, ensuring high availability, scalability, and disaster recovery.
Manage and fine-tune SQL and NoSQL databases (e.g., PostgreSQL, MySQL, MongoDB, Redis, DynamoDB).
Implement database security policies, encryption, and access control to protect sensitive data.
Automate database backups, replication, and failover mechanisms.
Work closely with developers to optimize queries, schema design, and data modeling.
Perform capacity planning and monitor database growth trends.
Ensure compliance with data governance, GDPR, and other regulatory requirements.
Stay updated with the latest database technologies, trends, and best practices.


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