SAICHARAN SREECHURNAM
Kukatpally, Hyderabad
Summary
Detail-oriented SQL Server DBA with 4+ years of experience, currently supporting enterprise customers at Teksystems (Client – Microsoft). Specialized in troubleshooting high-availability configurations (Always On AG), resolving performance issues, and optimizing SQL Server operations. Proficient in disaster recovery planning, cloud migrations, and automation through PowerShell, dedicated to enhancing database stability, scalability, and performance tuning in mission-critical environments.
Overview
5
5
years of professional experience
Work History
SQL Server Support Engineer
TEKsystems
10.2024 - Current
- Support enterprise customers with complex SQL Server issues focused on Availability Groups, performance degradation, and high availability failures.
- Analyze AG failovers and terminations using SQL error logs, cluster logs, lease timeout diagnostics, Extended Events, and Windows Failover Clustering data.
- Identify root causes for frequent failovers related to CPU spikes, heavy workload, blocking, heartbeat loss, and lease renewal delays.
- Troubleshot replica synchronization delays caused by long running transactions, network latency, and resource contention.
- Lead performance investigations involving high CPU and memory utilization using Query Store, DMVs, execution plans, and wait statistics.
- Provide clear RCA reports with evidence, contributing factors, and preventive recommendations.
- Assist with SQL Server upgrades and patching for standalone, FCI, and AG environments including pre checks and post upgrade validation.
SQL Database Administrator
Vengreen Solutions Ltd.
06.2021 - 06.2024
- Managed and supported SQL Server environments ensuring availability, performance, and data protection.
- Designed and maintained backup and recovery strategies aligned with business RPO and RTO requirements.
- Optimized slow running queries and improved database performance through indexing and query tuning.
- Performed capacity planning to support database growth and workload expansion.
- Executed disaster recovery drills and failover testing to validate recovery readiness.
- Automated routine DBA tasks using PowerShell, reducing manual effort and operational risk.
Education
B. Tech - Mechanical Engineering
B V Raju Institute of Technology
05-2017
Skills
- Database Security
- Disaster Recovery Planning
- Performance Tuning
- Data Encryption
- Performance Tuning and Optimization
- Backup and Recovery
- Backup Strategies
- Maintenance and Monitoring
- Cloud Technologies (Azure, AWS)
- Azure SQL Database
- AWS
- SSMS (SQL Server Management Studio)
- Root cause analysis
- Query tuning techniques
- High availability configurations
- Always on AG
- SQL Failover cluster instance
Projects
On Premises to Azure Migration
Planned and executed migration of SQL Server workloads from on premises infrastructure to Microsoft Azure. Built SQL clusters, configured Availability Groups, validated UAT and test environments, and performed production cutover with minimal downtime.
Automated Database Backup to Azure Storage
Developed PowerShell automation to transfer SQL Server backups to Azure Storage Accounts. Implemented secure authentication, encryption, logging, and failure handling to improve backup reliability and off site retention.
SQL Server Upgrade Initiative
Led upgrades from SQL Server 2012 to SQL Server 2016. Performed pre upgrade assessments, coordinated testing, executed upgrades, and completed post upgrade validation to ensure application stability.
SQL Server Patching Automation
Automated monthly SQL Server patching using PowerShell and SQL Agent jobs. Reduced manual effort, ensured consistent patch compliance, and added validation and logging for safe execution.
Languages
- Hindi
- English
- Telugu
Timeline
SQL Server Support Engineer
TEKsystems
10.2024 - Current
SQL Database Administrator
Vengreen Solutions Ltd.
06.2021 - 06.2024
B. Tech - Mechanical Engineering
B V Raju Institute of Technology