Senior Database Administrator (MySQL / Oracle, AWS RDS)

Quick Facts

• Senior Database Administrator role focused on AWS RDS MySQL with Oracle experience.
• Remote work, B2B contract, ASAP start; long-term engagement (6+ months, likely ongoing).

Description

You will manage relational databases on AWS RDS, ensuring high availability, performance, and security for a large environment with dozens of MySQL and Oracle instances across two regions. The role includes database design, backup strategy, automation of scaling and restore, SQL optimization with developers, monitoring and tuning, security audits, documentation, and architectural discussions. Ongoing initiatives include upgrading to MySQL 8.0, migrating database CI/CD to GitHub Actions, and optimizing slow queries on large tables.

Responsibilities

• Ensure high availability, performance, and security for AWS RDS MySQL
• Design database structures and backup strategies
• Automate scaling and restore
• Optimize SQL queries with development teams
• Monitor and tune database performance
• Perform security audits
• Maintain and improve documentation
• Participate in architectural discussions
• Handle ongoing work: MySQL 8.0 upgrade, CI/CD migration to GitHub Actions, slow-query optimization on large tables

Requirements

• 4+ years of experience as a Database Administrator
• Strong MySQL skills, especially database design
• Experience with Oracle
• AWS experience, particularly Amazon RDS
• Experience with SQL code reviews
• Scripting/automation skills (Bash, Python, or similar)
• Very good English
• Excellent technical documentation ability
• Strong troubleshooting and analysis
• Ability to work under pressure and tight deadlines
• Strong communication skills, including with management

Benefits

• B2B cooperation
• Start ASAP (latest: November/December)
• Long-term engagement: 6+ months, likely indefinite
• Rate: 140–180 PLN/hour
• Remote work