The Client Our client is one ofAustralia's largest and fastest-growing national retailers, managing a massive, high-concurrency data estate that powers hundreds of physical locations and a sophisticated e-commerce platform. They are currently undergoing a major technological shift, moving away from legacy infrastructure toward a modern, high-availability Azure cloud environment.The Project: "Rescue, Refine & Relocate" This is a high-impact, project-based contract for a "heavyweight" SQL specialist. You will be tasked with auditing the current environment, identifying critical vulnerabilities, and leading the technical execution of a large-scale migration to the cloud.The MissionArchitectural Audit:Perform a deep-dive "health check" on the current SQL estate to identify and rectify performance bottlenecks (e.g., TempDB contention, locking/blocking).HA/DR Uplift:Evaluate, refine, and stress-testAlwaysOn Availability Groupsto ensure 100% business continuity for a 24/7 retail operation.Azure Migration:Act as the technical lead for transitioning complex on-premise workloads toAzure SQL Managed Instance (MI) .Automation:Build and deployPowerShellscripts to automate patching, monitoring, and environment scaling.Technical Leadership:Serve as the senior point of escalation and provide high-level mentoring to the internal database team to ensure a seamless knowledge transfer.Your Profile We are looking for aPrincipal-level DBAwho has "seen it all" and thrives in high-pressure, high-volume environments.Expertise:7+ years of dedicated MS SQL Server experience (SQL 2012 through to 2022).High Availability:Mastery ofAlwaysOn Availability Groupsand complex Failover Cluster Instances (FCI).Cloud Proven:Demonstrated success in migrating large-scale enterprise databases toAzure SQL (Managed Instance preferred) .The "SQL Doctor":Deep internals knowledge with the ability to perform expert-level T-SQL tuning and query optimization.Industry Background:Prior experience in high-concurrency sectors (Retail, FMCG, Logistics, or Gaming) is highly regarded.Why Apply? This is a rare opportunity to own the technical roadmap for a major infrastructure uplift within a Tier-1 Australian enterprise. If you prefer high-stakes project work over routine BAU maintenance, this is the contract for you.#J-18808-Ljbffr