We are looking for a Senior Database Administrator to manage and optimize our open-source databases. The ideal candidate will have extensive experience in database administration, performance tuning, and data security.

Key Responsibilities:
* Manage and maintain open-source databases (e.g., MySQL, PostgreSQL).
* Implement database security measures.
* Monitor database performance and troubleshoot issues.
* Develop and implement backup and recovery strategies.
* Collaborate with development teams to optimize database queries.

Required Skills:
* Experience with open-source databases.
* Proficiency in SQL.
* Strong understanding of database performance tuning.
* Experience with database security best practices.