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Senior Database Administrator

Atos
Bydgoszcz, Łódź, Opole, Wroclaw, Gdansk, Krakow, Warszawa, Poland Posted Oct 21, 2026
Flexible

About this role

Senior Database Administrator

We are looking for an experienced Senior Database Administrator to join our international team. In this role, you will manage and optimise 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.

Your 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)

What we expect

  • 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

Why join us?

  • 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

Here 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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