Challa. Naga Chandra Sekhar

[email protected] +91 9996111666 India

PROFESSIONAL SUMMARY

Dynamic Microsoft SQL Server Database Administrator with over 5 years of experience in managing and optimizing database environments. Proficient in Transact SQL (T-SQL), backup and recovery strategies, and performance tuning, with a proven track record of improving database efficiency and troubleshooting production issues. Successfully guided server migration and implemented high-availability solutions. Eager to leverage expertise in SQL Server administration to drive excellence and support operational success at your esteemed organisation.

WORK EXPERIENCE

Database Administrator
08/2024 - 07/2025
LTIMindtree Pvt Ltd , Hyderabad
Optimised project workflows using Microsoft Project, encompassing planning, scheduling, resource allocation, and progress tracking
Employed Gantt charts and various visualization tools to facilitate milestone tracking and effective risk management
Contributed significantly to ensuring project deliverables adhered to established timelines and quality standards
Assisted in the formulation of comprehensive project plans, timelines, and task breakdowns to promote efficient project execution through Microsoft Project
Delivered 24/7 support and technical expertise across multiple applications to clients
Provided support across APAC and EMEA regions, handling inquiries from customers across different time zones including EST and PST
Facilitated server migration activities, including transferring databases from on-premises servers to Azure
Conducted weekly resource allocation meetings with team leaders, enhancing resource alignment with strategic project priorities
Diagnosed problematic queries leading to deadlocks and blocking issues, providing actionable recommendations to clients
Advised customers on scaling resources up or down based on their usage to mitigate unnecessary expenses
Recommended best practices for database design, schema optimisation, and high availability concepts
Cooperated with the PTA Team to resolve issues, providing recommendations and resolutions to clients
Utilised tools such as Case Buddy, ASC, and Kusto for backend validation of customer issues
Engaged with the Product Team (PG) to troubleshoot issues such as restoring deleted servers and handling Jarvis-related problems
Database Administrator
08/2022 - 05/2024
TATA CONSULTANCY SERVICES Pvt Ltd , Hyderabad
Managed the pharmaceutical supply chain databases for McKesson on Microsoft SQL Server
Collaborated with various teams, utilising Transact SQL (T-SQL) to design and implement procedures and functions. And configured and maintained Microsoft SQL Server databases across all environments
Regularly maintained and backed up databases while executing Extract, Transform, Load (ETL) operations
Evaluated existing SQL queries for performance enhancements
Demonstrated expertise in troubleshooting common database issues effectively
Provided 24/7 DBA support and technical consultation for multiple applications across development, testing, QA, and production SQL Servers
Participated in server data migration initiatives, involving the transfer of databases, users, logins, jobs, and stored procedures, while resolving orphaned user issues
Engaged in performance tuning by proposing the creation of indexes and stored procedures
Identified and resolved problematic queries causing deadlocks, blocking, and prolonged execution times
Addressed production performance issues and participated in disaster recovery activities
Attended Change Advisory Board (CAB) meetings to acquire approvals from stakeholders for database change requests (CR)
Executed backup and recovery strategies, user management, and query optimisation
Possessed extensive experience in managing, troubleshooting, and optimising SQL Server environments
Ensured database security adhered to best practices while coordinating with Windows servers and Active Directory
Demonstrated comprehensive knowledge of high availability concepts, such as Always On, log shipping, replication, and mirroring
Conducted database maintenance tasks, including data modelling, index rebuilding, reorganising indexes, and updating statistics
Performed manual full and log database backups and executed restorations within Always ON Availability Groups
Contributed to SQL Server upgrades, specifically to CU26
Maintained extensive experience in script deployments and utilised SSIS, SSRS, and SSAS services
Managed clustered environments, executing failover and failback activities during OS patching
Utilised SNOW and IDERA SQL Diagnostic Manager for operational support and monitoring
Provided technical support and troubleshooting assistance to end users
Conducted database creation, dropping processes, and user management, including granting and revoking privileges on PostgreSQL servers
Executed script deployments in Azure PostgreSQL Server
Database Administrator
08/2021 - 10/2021
Apex Logistics pvt ltd , Visakhapatnam
Created user logins and granted necessary privileges
Monitored Temp DB growth and addressed database security issues
Implemented backup and recovery strategies effectively
Conducted weekly and monthly database maintenance tasks
Monitored and resolved support tickets based on their priority levels
Managed disk space and addressed blocking and transaction log database issues
Database Administrator
07/2018 - 07/2021
SSIGRUN Consultancy pvt ltd , Hyderabad
Monitored dashboards and assigned incidents to team members
Maintained all SQL Server instances and databases using automated jobs while managing clustered environments
Executed all database management responsibilities within MS SQL Server for both production and non-production workloads
Oversaw physical database architecture and design, capacity planning, development, performance tuning, implementation, and application support from a database perspective
Processed ad hoc data requests from business departments and configured backup schedules and job tasks
Conducted I/O utilisation monitoring on servers and submitted detailed performance reports to management

EDUCATION

Bachelor of Technology
Jawaharlal Nehru Technological University Kakinada

SKILLS