Senior Database Administrator (PostgreSQL and MySQL Focus)

CommIT · Ukraine · posted today ago

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About this role

Description

We are seeking a Senior Database Administrator with strong expertise in PostgreSQL and MySQL to join our team. The ideal candidate is a hands-on professional capable of designing, deploying, maintaining, and optimizing highly available and scalable database systems. Experience with additional database technologies such as SQL Server and MongoDB is a strong advantage.

This role also involves working with cloud-native database services across providers such as AWS, Google Cloud, or Azure. Candidates with database migration experience will be given preference.

Key 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

Requirements

Required Qualifications:

3+ years of hands-on experience with PostgreSQL in production environments
3+ years of experience with MySQL
Experience with at least one public cloud platform (AWS, GCP, or Azure), including managed database services (e.g., RDS, Cloud SQL)
Strong SQL skills with a solid understanding of indexing, query optimization, and partitioning
Proven knowledge of backup & recovery strategies, replication, and high-availability configurations
Proficiency in scripting and automation (e.g., Bash, Python, Ansible)
Experience supporting database migration projects (e.g., PostgreSQL to cloud, MongoDB to Atlas, SQL Server upgrades)