SAILESH SINGH
Noida
Summary
Experienced SQL Database Consultant with over 13 years in Azure and AWS cloud platforms, SQL Server, and database automation. Specialises in high availability, performance optimisation, and security compliance for mission-critical applications. Utilises tools like SentryOne and Query Store for monitoring, while implementing disaster recovery solutions such as Always On Availability Groups on AWS EC2. Committed to enhancing database infrastructure and supporting organisational growth.
Overview
1
1
Language
1
1
Certification
14
14
years of professional experience
Work History
Senior Manager
EXL Data Management
Gurugram
03.2025 - Current
- Managed AWS RDS for SQL Server and Amazon EC2-hosted SQL Server environments, achieving high availability and operational reliability for mission-critical applications.
- Designed, configured, and maintained SQL Server Always On Availability Groups on AWS EC2 instances, providing high availability and disaster recovery for business-critical applications.
- Leveraged Query Store for query performance analysis, troubleshooting, and optimization to improve database efficiency.
- Configured and monitored SentryOne to track health and performance of SQL Server instances, enabling proactive issue resolution.
- Conducted SQL Server security and compliance audits, performing user access reviews and permission validation to ensure adherence to governance and security best practices.
Database Consultant
Coforge
Greater noida
08.2020 - 01.2025
- Analyze and optimize database performance through indexing, query tuning, and regular monitoring to ensure high efficiency and responsiveness.
- Implement and enforce database security policies, access controls, and compliance with industry standards and regulations.
- Manage and mentor a team of database administrators, providing guidance and support in technical and professional development.
- Work closely with application developers to design and implement efficient database solutions that meet application requirements.
- Consulted on multiple projects in APAC & UK, transitioning resource management and documenting processes to enhance project efficiency.
- Conduct capacity planning and forecasting to ensure databases are adequately sized to meet current and future demands.
- Create and maintain automated scripts for routine database maintenance tasks & health check routine.
- Maintain comprehensive documentation of database configurations, procedures, and operational guidelines.
- Developed TSQL queries for data analysis and designed reports using SQL Server Reporting Services, facilitating data-driven decision-making.
- Designed reports and created SSIS packages, managing deployment and implementing error handling and logging mechanisms to ensure reliability.
Technical Specialist ( Sybase DBA )
Zensar Technologies
Mumbai, Maharashtra
09.2018 - 08.2020
- Provided end-to-end support for Sybase ASE servers, troubleshooting daily issues to ensure system reliability.
- Worked on ASE installation, upgradation, configuration & Migration.
- Performing BACKUP AND RECOVERY STRATEGIES & troubleshooting them.
- Implementing weekend maintenance tasks like REBUILD INDEX, UPDATE STATISTICS & DBCC.
- Experience in PERFORMANCE TUNING & QUERY OPTIMIZATION.
- Managed device and database operations, including creation, resizing, and expansion, while monitoring space usage for optimal performance.
- Developed temporary databases and named caches to optimise data storage.
- Using Sybase utilities like BCP, ddlgen, opting, etc.
- Dealing with the tempdb-related issues, monitoring, and management.
- Migration of Sybase ASE 16.0 to SQL Server 2019 using SSMA.
Tech Lead ( Sybase DBA )
Cognizant
Pune Area
06.2017 - 09.2018
- On Sybase Replication Server: Dealing with adding and dropping partitions for stable devices. Purging inbound and outbound queues.
- Dealing with the latency, DSI, and repagent related issues. Performing sync of target database with primary.
- Switch active for the warm standby setup. Monitoring replication threads, disk space, latency, and troubleshooting issues.
- On Adaptive Server Enterprise: Providing 24/7 production support to Sybase servers and troubleshooting issues on a daily basis.
- Backup and Restore Databases and fix their failures.
- Monitoring maintenance jobs and fixing the problem in a given time frame to enhance server performance.
- Monitoring database & log space usage and informing application team to either purge data or request extra storage.
- Dealing with the user management task including adding logins and users, login sync, and controlling user access to the database.
- Dealing with the configuration of a server and troubleshooting connectivity issues.
SQL & SYBASE DBA
HSBC Global Technology India
Hyderabad Area
07.2012 - 07.2016
- Installation, Upgradation, Configuration & patching of MS SQL Server 2005/2008/2012/2014.
- Hands-on Experience in Replication, Log Shipping, Database Mirroring, and Always On.
- Experience in using SQL Profiler, and Database Tuning Advisor for optimal performance.
- Executed capacity planning, backup/restore, and security management to ensure database integrity and availability.
- Create Database Maintenance Jobs for the optimal performance of SQL Server.
- Utilised ITIL framework to manage incidents and changes effectively.
- Managed user permissions, created audit triggers, and monitored daily backups using SSRS to maintain data security and compliance.
- Designing reports, scheduling, and creating packages using SSIS.
Education
Bachelor's Degree - Electronics and Communications Engineering
Biju Patnaik University of Technology
SCITM, KORAPUT01-2010
Skills
- Database administration
- Database security
- Performance tuning
- Query optimization
- Capacity management
- Data Migration
- Migration Projects
- Database Consulting
- Process documentation
- Team leadership
- Performance analysis
Certification
Oracle 10G SQL Expert
Microsoft Certified: Azure Database Administrator Associate
Languages
English
Custom
www.linkedin.com/in/saileshsingh-8659755a
Timeline
Senior Manager
EXL Data Management
03.2025 - Current
Database Consultant
Coforge
08.2020 - 01.2025
Technical Specialist ( Sybase DBA )
Zensar Technologies
09.2018 - 08.2020
Tech Lead ( Sybase DBA )
Cognizant
06.2017 - 09.2018
SQL & SYBASE DBA
HSBC Global Technology India
07.2012 - 07.2016
Bachelor's Degree - Electronics and Communications Engineering
Biju Patnaik University of Technology