Senior SQL Server DBA

We are seeking a Senior SQL Server DBA to modernize and secure a large SQL Server estate. You will remediate vulnerabilities, upgrade legacy SQL Server to supported versions and validate performance post-migration. If you enjoy solving complex stability and security challenges with clear runbooks and low downtime, this role is for you.

Responsibilities

• Lead vulnerability assessment triage and remediation for SQL Server environments
• Apply security patches, cumulative updates and service packs with controlled change execution
• Plan and deliver upgrades and migrations from legacy SQL Server to supported versions with minimal downtime
• Run pre-migration checks and compatibility analysis using approved migration tooling
• Benchmark workload performance, validate post-upgrade behavior and resolve regressions
• Configure and migrate high availability and disaster recovery setups to maintain resiliency
• Produce deployment plans, rollback procedures and operational runbooks for audits and change control
• Maintain SQL Server inventory, version lifecycle tracking and modernization roadmap inputs

Requirements

• Production SQL Server administration with a track record of patching and upgrade delivery
• SQL Server architecture knowledge across legacy and current versions
• High availability and disaster recovery experience including Always On Availability Groups, failover clustering, log shipping and replication
• Security hardening capability including access controls, vulnerability remediation and encryption practices
• T-SQL scripting skills for troubleshooting, tuning and operational automation
• PowerShell automation experience for repeatable DBA tasks and deployment support
• Performance tuning background including baseline benchmarking, bottleneck analysis and plan regression handling
• Clear communication for change management, documentation and stakeholder updates