Senior Database Administrator

Atos SE; Wrocław; On-site; PLN 253,807 - 338,409; Full time

Job summary

Atos SE is seeking an experienced Senior Database Administrator to manage and optimize PostgreSQL and MySQL/MariaDB databases in cloud and on-premise environments. This role involves troubleshooting performance issues, automating DBA activities, and collaborating in a multinational team.

The ideal candidate will have over 5 years of experience in database administration and familiarity with cloud platforms like AWS, Azure, and GCP. Opportunities for continuous development and certification support are offered.

Qualifications

• 5+ years of experience in PostgreSQL and MySQL/MariaDB administration.
• 3+ years of experience in cloud environments (AWS / Azure / GCP).
• Hands-on experience with replication and high availability solutions.

Responsibilities

• Provide L3 support for PostgreSQL / MySQL / MariaDB environments.
• Diagnose and resolve performance and availability issues.
• Automate DBA activities using Python, Ansible, or Terraform.

Skills

PostgreSQL administration

MySQL/MariaDB administration

Cloud environments (AWS, Azure, GCP)

Performance tuning

Database automation (Python, Ansible, Terraform)

Tools

pgbouncer

pgpool

HAProxy

Job description

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.

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)
• 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