Hybrid AI-Driven Principal Database Engineer

Cornerstone Research; Kraków; Hybrid; PLN 222,000 - 352,000; Full time

Job summary

Cornerstone is seeking a Principal Database Engineer for our Kraków hybrid office to lead expert-level administration, maintenance and support of our database infrastructure, while leveraging AI and automation to enhance reliability and efficiency.

You will ensure high availability, performance, security and compliance across production and non-production environments, contribute to AI-driven monitoring, automation playbooks, backups, DR, and collaborate with engineering, infrastructure, and

Responsibilities

• Install, configure, and maintain database instances across production, staging, pilot and development environments.
• Perform daily health checks, proactive monitoring, and maintenance of database platforms.
• Manage database storage, capacity planning, and growth forecasting.
• Execute database patching, upgrades, and change control procedures.
• Maintain database documentation including configurations and runbooks.
• Develop automation scripts using T-SQL, PowerShell, and Python for routine operations.

Job description

Cornerstone is seeking a Principal Database Engineer for our Kraków hybrid office to lead expert-level administration, maintenance and support of our database infrastructure, while leveraging AI and automation to enhance reliability and efficiency.

You will ensure high availability, performance, security and compliance across production and non-production environments, contribute to AI-driven monitoring, automation playbooks, backups, DR, and collaborate with engineering, infrastructure, and