Senior DB Architect — PostgreSQL/MySQL, Cloud & Automation

Atos; Łódź; Hybrid; PLN 180,000 - 230,000; Full time

Benefits offered by this job

Flexible work model

Job summary

Atos is seeking a Senior Database Administrator to manage PostgreSQL and MySQL/MariaDB across on‑prem and cloud environments (AWS, Azure, GCP). You will support enterprise-scale systems, contribute to cloud migration, and automate routine tasks to improve reliability and efficiency.

The role requires strong experience with replication, HA, backup/recovery, and performance tuning, plus hands-on automation using Python or Terraform. A multilingual, collaborative, global team environment awaits.

Qualifications

• 5+ years of PostgreSQL/MySQL/MariaDB administration (on-prem)
• 3+ years of cloud environments (AWS/Azure/GCP)
• Experience with PostgreSQL/MySQL clusters and tools (pgbouncer, pgpool, HAProxy)
• Database backup and recovery and migrations (on-prem → cloud)
• Monitoring and performance tuning; replication and high availability
• Automation with Python, Ansible, Terraform

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 (Barman, Networker)
• Support database provisioning and deployments
• Collaborate with internal teams and customers
• Create and maintain technical documentation (HLD/LLD)

Skills

PostgreSQL administration

MySQL/MariaDB administration

Cloud environments (AWS/Azure/GCP)

Automation (Python, Ansible, Terraform

Backup & recovery

Replication & HA

Database migrations (pg_dump, mysqldum

Monitoring & performance tuning

Tools

pgbouncer

pgpool

HAProxy

Barman

Networker

pg_dump/pg_restore

mysqldump

Job description

Atos is seeking a Senior Database Administrator to manage PostgreSQL and MySQL/MariaDB across on‑prem and cloud environments (AWS, Azure, GCP). You will support enterprise-scale systems, contribute to cloud migration, and automate routine tasks to improve reliability and efficiency.

The role requires strong experience with replication, HA, backup/recovery, and performance tuning, plus hands-on automation using Python or Terraform. A multilingual, collaborative, global team environment awaits.