Senior SQL Server DBA - DV ClearedLocation: Reading (Onsite)Rate: Up to 98 per hourContract: 6 Months InitialIR35: Inside IR35Clearance: Active DV Clearance RequiredWe are seeking an experienced Senior SQL Server DBA to join a highly skilled technical team supporting business-critical database environments within a secure public sector organisation.This is an excellent opportunity for a hands-on DBA with strong experience across legacy and modern SQL Server platforms, providing 2nd and 3rd line support, maintaining database availability, security and performance, and driving continual service improvement.Key ResponsibilitiesProvide 2nd and 3rd line support across production, pre-production and development SQL Server environments.Administer and maintain SQL Server versions (Apply online only), including patching, upgrades and migrations.Manage SQL Server high availability, clustering, Failover Cluster Instances (FCI) and Always On Availability Groups.Lead database incident resolution, troubleshooting and root cause analysis.Manage backup, restore and disaster recovery arrangements, including resilience and failover testing.Perform database performance tuning, capacity management and optimisation.Maintain database security, access controls, auditing and compliance.Develop automation and scripting solutions using PowerShell and T-SQL.Work closely with application, infrastructure, security and service management teams.Maintain technical documentation, runbooks and operational ..... full job details .....