Sasi Pidikiti
Senior Sql Database Administrator @Hertz
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WORK HISTORY
Senior Sql Database Administrator @Hertz
London, GB
Managing TB-scale SQL Server instances 24x7 across on-premises and Azure for a global vehicle rental enterprise, ensuring high availability, performance, and reliability of mission-critical databases.•Query optimisation: In-depth execution plan analysis to resolve bottlenecks; optimise stored procedures through advanced indexing, partitioning, and locking improvements•HA/DR: Design and implement Always On Availability Groups and Failover Clustering to meet strict SLAs; full backup/restore validation using Veeam and Commvault•CI/CD deployments: Deploy schema changes via PowerShell and Azure Automation pipelines with zero-impact releases and full rollback capability•Archival and retention: Design data archival strategies using partitioned tables and sliding-window techniques to manage large dataset lifecycles•Migrations: Lead SQL Server version upgrades (2014/2016/2017 to 2019/2022) with minimal downtime across production and lower environments•Incident escalation: Detect and resolve CPU, Memory, and I/O bottlenecks using DataDog telemetry and SQL Server DMVs as technical escalation point•Security: Enforce database-layer security policies - Logins, Server Roles, Database Users, and permissions aligned to enterprise standards•Collaborate with.NET development teams on schema changes, query performance, and database interface optimisation
EDUCATION
University of Hertfordshire
Master's degree, Cyber Security
Lovely Professional University
Bachelor of Technology - BTech, Computer Science
ABOUT SASI PIDIKITI
Senior SQL Server DBA with 5+ years of experience managing mission-critical, TB-scale databases across enterprise on-premises and Azure (IaaS/PaaS) environments. I specialise in deep query optimisation, execution plan analysis, and advanced indexing strategies that deliver measurable performance improvements. My background spans the full DBA remit, from HA/DR architecture (Always On Availability Groups, Failover Clustering, Log Shipping, Transactional Replication) to data retention and archival design, schema deployments via CI/CD pipelines, and database-layer security with a strong focus on zero-impact releases and rollback safety. Currently at Hertz Europe (London) as Senior SQL Server DBA, managing TB-scale SQL Server instances 24x7 across on-premises and Azure. Previously at Infosys supporting Pfizer\'s global SQL Server estate hundreds of databases in a regulated pharmaceutical environment as part of a 14-person global DBA team. Core expertise: • SQL Server 20••••22 (deep expertise)| Azure SQL Database (IaaS and PaaS) • Query tuning, execution plan analysis, DMVs, advanced indexing, partitioning, locking and blocking resolution • Always On Availability Groups | Failover Clustering | Log Shipping | Transactional Replication • Azure Data Factory | PowerShell | Azure Automation | CI/CD deployments • DataDog | SolarWinds | AppDynamics | Veeam | Commvault • SSIS | SSRS | SSAS • Database security: Logins, Server Roles, Users, Permissions, Encryption MSc Computer Science (Cybersecurity)- University of Hertfordshire (2025). Based in London. Full right to work in the UK. Open to remote, hybrid, and on-site DBA roles across the UK.
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