DEVOPS - DBA EXPERT H/F (IT) / Freelance

Job summary

The Senior DBA supports production and study work for critical databases powering an e-commerce platform, while helping modernize a legacy SQL Server information system into a hybrid on-premises and cloud architecture. Responsibilities include ensuring database availability, performance, security, and recovery; advising development teams on data models and SQL performance; and contributing to migrations, automated deployments, Infrastructure as Code, and CI/CD pipelines across SQL Server, PostgreSQL, Couchbase, and managed cloud databases.

Qualifications

• Bac+4/5 degree in computer science from an engineering school or university.
• At least 10 years of experience in a similar technical environment.
• Expert-level SQL Server experience.
• Expert-level PostgreSQL and Patroni experience.
• Confirmed proficiency with Git, CI/CD, Terraform, and Ansible.
• Confirmed proficiency with Linux, Windows, VMware, and Kubernetes.

Responsibilities

• Ensure availability, performance, and security of critical e-commerce databases.
• Administer SQL Server environments, including AlwaysOn, backups, disaster recovery, monitoring, and capacity planning.
• Diagnose complex production incidents and participate in crisis response.
• Plan and implement database maintenance, optimization, and version upgrades.
• Ensure backups, restores, and recovery tests are performed.
• Advise development teams during solution design and review data models and technical choices.
• Review technical changes and validate database-related pull requests.
• Optimize SQL queries and guide developers on database performance.
• Define best practices for application access to data.
• Contribute to database migration, modernization, and architecture simplification.
• Industrialize database deployments, automate recurring operations, and develop Infrastructure as Code practices.
• Contribute to CI/CD pipeline implementation.

Skills

Degrees

Industry

Relocation