Real job — pulled straight from CommIT’s careers page · Verified August 11, 2026 · No reposts.
Job description
CommIT is hiring a Senior Database Administrator — a full-time, based in Poland role. Apply directly on CommIT's careers page below.
Senior Database Administrator (PostgreSQL and MySQL Focus)
Location: Poland (PL)
Experience Level: Middle
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)
Advantageous Qualifications:
- Familiarity with MongoDB, SQL Server, Neo4j, or other NoSQL databases
- Experience with ETL tools, BigQuery, or data warehousing concepts
- Relevant certifications (PostgreSQL, MySQL, AWS, GCP, or Azure)
- Exposure to DevOps practices and infrastructure-as-code tools
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Frequently asked questions
What skills are required for Senior Database Administrator at CommIT?
The required skills for Senior Database Administrator at CommIT include: PostgreSQL, MySQL, SQL Server, MongoDB, AWS, GCP, Azure, SQL, Bash, Python, Ansible, ETL, BigQuery, DevOps.
What is the seniority level for Senior Database Administrator at CommIT?
Senior Database Administrator at CommIT is a Senior level position.
How do I apply for Senior Database Administrator at CommIT?
You can view the full description and apply for Senior Database Administrator at CommIT on EchoJobs: https://echojobs.io/job/commit-senior-database-administrator-postgresql-and-mysql-focus-6p8kb.