Senior Database Administrator

Publication Date:

September 22, 2026

Ref. No:

547795

Locations:

• Bydgoszcz, Poland
• Wroclaw, Poland
• Opole, Poland
• Krakow, Poland
• Łódź, Poland
• Warsaw, Poland
• Gdansk, Poland

About Atos Group

Atos Group is a global leader in digital transformation with approximately 56,000 employees and annual revenue of around €7.2 billion. Operating in 54 countries under two brands - Atos for services and Eviden for products and systems, Atos Group is committed to a secure and decarbonized future. The Group provides tailored AI-powered, end-to-end solutions for all industries and is the brand under which Atos SE operates, listed on Euronext Paris.

The purpose of Atos Group is to help design the future of the information space. Its expertise and services support the development of knowledge, education, and research in a multicultural approach and contribute to the development of scientific and technological excellence. The Group enables its customers and employees, and members of societies at large to live, work, and develop sustainably, in a safe and secure information space.

About the Role

We are looking for an experienced Senior Database Administrator to join our international team. In this role, you will manage and optimize PostgreSQL and MySQL/MariaDB databases across on-premise and cloud environments (AWS, Azure, GCP).

You will be working in a multinational environment, supporting enterprise-scale systems and contributing to cloud migration and automation initiatives.

Responsibilities

• Provide L3 support for PostgreSQL / MySQL / MariaDB environments (on-prem & cloud)
• Diagnose and resolve performance and availability issues
• Maintain and upgrade database environments and clusters
• Manage high availability and replication solutions
• Perform database migrations (on-prem → cloud)
• Automate DBA activities using Python, Ansible, or Terraform
• Manage backup and restore processes (e.g. Barman, Networker)
• Support database provisioning and deployments
• Collaborate with internal teams and customers
• Create and maintain technical documentation (HLD / LLD)

Requirements

• 5+ years of experience in PostgreSQL and MySQL/MariaDB administration (on-prem)
• 3+ years of experience in cloud environments (AWS / Azure / GCP)
• Experience with:
  • PostgreSQL / MySQL clusters and tools (pgbouncer, pgpool, HAProxy)
  • Database backup and recovery
  • Database installation, upgrades (minor & major)
  • Data migration tools (pgdump, pg_restore, mysqldump, etc.)
  • Knowledge of monitoring and performance tuning
  • Hands-on experience with replication and HA solutions
  • Experience with automation tools (Python, Ansible, Terraform)

Nice to Have

• Knowledge of PITR (Point-in-Time Recovery) and continuous archiving
• Cloud certifications (Azure AZ-900, AWS CCP, GCP Digital Leader)
• Python certification (PCEP)
• EDB PostgreSQL certification

We Offer

• Work in a global, multicultural environment
• Access to cutting-edge cloud and database technologies
• Opportunity to work on large-scale, enterprise projects
• Continuous development and certification support
• Flexible work model

At Atos, diversity and inclusion are embedded in our DNA. Read more about our commitment to a fair work environment for all.

Atos is a recognized leader in its industry across Environment, Social and Governance (ESG) criteria. Find out more on our CSR commitment.

Choose your future. Choose Atos.

Apply now »

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