Senior Database Administrator
Bydgoszcz, PL Opole, PL Warszawa, PL Wroclaw, PL Gdansk, PL Krakow, PL Łódź, PL
Atos is the Atos Group brand dedicated to AI-powered, secure, end-to-end digital services. Atos designs, develops, and operates critical digital environments that drive performance, resilience and sovereignty, helping public and private organizations worldwide retain control over their data and infrastructures, while meeting regulatory requirements.
With more than 52,000 employees serving over 4,500 clients across 54 countries, Atos helps modernize core IT systems, accelerate cloud and data transformation, strengthen cybersecurity, and deliver secure digital workplace environments to support its clients, its employees and society. Atos also provides consulting and advisory services through its Atos Amplify brand.
A trusted partner in operating complex and mission-critical environments, Atos supports organizations across highly regulated and sovereign contexts.
About Atos Group
Atos Group is a global leader in digital transformation with c. 54,000 employees and annual revenue of c. €7.2 billion, operating in 54 countries under two brands - Atos for services and Eviden for products and systems. European number one in cybersecurity and a leader in cloud, Atos Group is committed to a secure and decarbonized future and provides tailored AI-powered, end-to-end solutions for all industries. Atos Group is listed on Euronext Paris.
About the role
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.