Sreekar B
@sreekarb
I’m a senior SQL Server and cloud database leader driving HA/DR, performance, and measurable uptime.
What I'm looking for
I’m a database infrastructure leader with 19 years of enterprise IT experience, including 14+ years specializing in SQL Server architecture, administration, and cloud database operations. I focus on end-to-end ownership across database security, performance engineering, and cloud transformation.
I’ve delivered 99.99% uptime in production through Always On Availability Groups, multi-node clustering, and HA/DR strategies spanning on-premises, AWS RDS, and Azure SQL. I lead zero-risk SQL Server migrations and continuous improvements that reduce downtime and strengthen reliability.
My recent impact includes a 50% reduction in production system downtime by executing zero-risk migrations from 2012/2014 to 2019/2022 in live financial services environments. I also generated $695 in monthly AWS savings by right-sizing infrastructure tiers and eliminating redundant backup storage.
I’m especially proud of operational automation: I engineered PowerShell-driven solutions for large-scale (12 TB) database refresh processes, reclaiming 12 hours per cycle and reducing manual DBA intervention by 40% through DR simulations and patch deployment pipelines. I collaborate across teams in Agile settings to deliver CI/CD-aligned, secure, and observable database releases.
Experience
Work history, roles, and key accomplishments
Senior Database Administrator
Lumen Technologies India Pvt. Limited
Jun 2016 - Present (9 years 11 months)
Delivered 99.99% production uptime using Always On Availability Groups and HA/DR strategies across AWS RDS and Azure SQL. Reduced production system downtime by 50% through zero-risk SQL Server migrations and generated $695/month AWS savings via infrastructure right-sizing.
Database Admin Senior Analyst
Dell International Services
Jul 2012 - Jun 2016 (3 years 11 months)
Provided 24/7 enterprise DBA support for multi-terabyte SQL Server environments across multiple Dell clients, managing high-availability and disaster recovery solutions. Reduced recovery time by 25% by improving backup/restore and DR processes, while strengthening security through role-based access and patching.
Senior Infrastructure Engineer
Cambridge Technology Enterprises
May 2011 - Jun 2012 (1 year 1 month)
Managed monitoring, maintenance, and performance operations for enterprise SQL Server environments under a distributed RIM model. Improved application performance by 20% through query optimization and tuning, while ensuring high availability via failover clustering.
SQL Server Database Administrator
Marlabs Software Pvt. Ltd.
Jan 2010 - Apr 2011 (1 year 3 months)
Managed the end-to-end SQL Server database lifecycle, including installation, backups, tuning, and SSIS-driven ETL. Delivered a 20% gain in processing efficiency across software delivery environments through performance-focused database maintenance.
Software Analyst
Shams Healthcare Software Pvt. Ltd.
May 2005 - Oct 2009 (4 years 5 months)
Implemented and optimized SQL Server environments for healthcare software platforms using T-SQL and structured data modeling. Achieved a 25% improvement in system performance and scalability through database design and query optimization.
Education
Degrees, certifications, and relevant coursework
Visvesvaraya Technological University (VTU)
Master of Computer Applications (MCA), Computer Science
Completed a Master of Computer Applications (MCA) in Computer Science at Visvesvaraya Technological University (VTU) in Bellary, India.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
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