Freelance SQL DBA (Infrastructure)

For a banking customer in Brussels, we are searching for a freelance SQL DBA for a senior mission. Responsibilities

• Help define, implement and maintain highly available, performant & scalable database systems to effectively meet IT Business requirements.
• Be involved in deployment and patching automation.
• Maintain (backups, transaction log management, index optimisation etc) and upgrade the database systems etc.
• Review database schema changes to ensure compliance with standards and ensure optimal choice of indexing, column definitions etc.
• Help with problem solving in case of performance problems or functional issues in applications.
• Build a strong relationship both within the infrastructure team and with the development teams.
• Promote best practices.
• Maintain the deployment pipeline. Profile
• Expert knowledge of SQL Server administration, performance tuning, high availability and disaster recovery.
• Strong experience with PostgreSQL, MySQL/MariaDB, Oracle and enterprise database operations.
• Hands-on experience with AWS database services (Aurora, RDS for SQL Server, PostgreSQL and MySQL, DynamoDB).
• Experience with Azure database services (Azure SQL Database, Azure SQL Managed Instance, Azure Database for PostgreSQL, CosmosDB).
• Strong troubleshooting skills across database, operating system and infrastructure layers.
• Experience with PowerShell and infrastructure automation.
• Good knowledge of Windows Server, Active Directory and Red Hat Linux. Strongly Preferred
• Experience with Terraform, Ansible or similar Infrastructure-as-Code tools.
• Experience with monitoring and observability platforms such as RedGate , Dynatrace, CloudWatch, Azure Monitor or equivalent.
• Experience modernising legacy database platforms.
• Experience with Git, Jira and CI/CD-driven deployment processes.
• Experience with cloud security, encryption, backup and disaster recovery solutions.
• Experience with performance monitoring and capacity management in cloud environments.
• Knowledge of Power BI, SSAS or reporting platforms. Nice to Have
• VMware vSphere and ESXi administration knowledge.
• Commvault or enterprise backup solutions.
• Basic networking and load-balancing (F5) concepts.
• Azure Entra ID and Azure platform services.
• Basic knowledge of Go or... -