Senior PostgreSQL & MySQL DB Admin with Cloud Migrations

Commit; Warszawa; On-site; PLN 180,000 - 260,000; Full time

Job summary

Commit is seeking a Senior Database Administrator to design, deploy, and optimize highly available PostgreSQL and MySQL systems in production. You will work hands-on across on-prem and cloud deployments, ensuring reliability, performance, and security.

You will collaborate with DevOps and data teams, lead migrations to cloud services, implement monitoring and DR strategies, and drive automation using Bash, Python, and Ansible. Strong SQL and indexing know-how are essential.

Qualifications

• 3+ years of hands-on experience with PostgreSQL in production environments.
• 3+ years of experience with MySQL in production environments.
• Experience with at least one public cloud platform (AWS, GCP, or Azure), including managed database services.

Responsibilities

• Design, configure, and maintain PostgreSQL and MySQL databases in production environments.
• Ensure high availability, disaster recovery, and performance optimization of database systems.
• Perform database migrations (on-premises to cloud and cross-cloud environments).
• Troubleshoot and resolve database issues across development, testing, and production environments.
• Implement database monitoring, backup strategies, and security best practices.
• Collaborate with development, DevOps, and data teams on schema design, query tuning, and ETL pipelines.
• Participate in capacity planning, cost optimization, and automation initiatives.
• Document database systems, configurations, procedures, and runbooks.

Skills

PostgreSQL

MySQL

SQL

Cloud platforms (AWS / GCP / Azure)

Scripting (Bash / Python / Ansible)

Migration experience

Tools

Bash

Python

Ansible

Job description

Commit is seeking a Senior Database Administrator to design, deploy, and optimize highly available PostgreSQL and MySQL systems in production. You will work hands-on across on-prem and cloud deployments, ensuring reliability, performance, and security.

You will collaborate with DevOps and data teams, lead migrations to cloud services, implement monitoring and DR strategies, and drive automation using Bash, Python, and Ansible. Strong SQL and indexing know-how are essential.