Senior Database Administrator

Atos; Wrocław; Hybrid; PLN 156,240 - 223,200; Full time

Benefits offered by this job

Access to cutting-edge technologies

Continuous development and certification support

Flexible work model

Job summary

Atos is seeking a Senior Database Administrator in Wrocław, Poland. You will manage and optimize PostgreSQL and MySQL/MariaDB databases across on-premise and cloud environments, providing expertise in performance, availability, and automation.

Take a role in a global, multicultural team, with opportunities for continuous development and access to the latest technologies. Join us to support enterprise-scale projects and cloud initiatives, all while enjoying a flexible work model.

Qualifications

• 5+ years of experience in PostgreSQL and MySQL/MariaDB administration (on-prem).
• 3+ years of experience in cloud environments (AWS / Azure / GCP).
• Hands-on experience with replication and HA solutions.
• Knowledge of monitoring and performance tuning.

Responsibilities

• Provide L3 support for PostgreSQL and MySQL environments.
• Diagnose and resolve performance and availability issues.
• Perform database migrations and automate DBA activities.
• Manage backup and restore processes.

Skills

PostgreSQL administration

MySQL/MariaDB administration

Cloud environments (AWS, Azure, GCP)

Automation tools (Python, Ansible, Terraform)

Database migration

Performance tuning

Tools

pgbouncer

pgpool

HAProxy

Barman

Networker

Job description

About the role

We are looking for an experienced Senior Database Administrator to join our international team. You will manage and optimise PostgreSQL and MySQL/MariaDB databases across on‑premise and cloud environments (AWS, Azure, GCP). You will work 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.

Choose your future. Choose Atos.