SQL Server DBA - Azure PowerShell Expert - 11+ Years Experience
Resume:
NAGARJUNA KOLLA
SQL SERVER DATABASE ADMINISTRATOR AZURE POWERSHELL
Marietta 30067, United States ******************@*****.*** 860-***-**** LinkedIn
PROFILE
Results-driven MS SQL Database Administrator with 11 years' experience managing, designing, and optimizing complex database environments across on-premises, Azure, and AWS. Experienced delivering high-availability solutions, large-scale migrations, and robust backup/recovery for databases exceeding 10 TB and portfolios of 1,500+ production databases. Improved application response times by 30%, automated routine administration to cut manual effort by 40%, and maintained 99.9% uptime for mission-critical systems. Skilled in performance tuning, PowerShell automation, Always On/failover clustering, and cross-functional collaboration to align database strategy with business objectives.
TECHNICAL SKILLS
• Operating Systems: Windows 2008 R2, 2012, 2012R2, 2016, UNIX/LINUX
• Languages: SQL, PowerShell
• Database Platforms: MS SQL Server, Azure SQL Database, Oracle.
• Tools: Enterprise Manager, SQL Profiler, Query Analyzer, SQL Server Management Studio, SSIS, PUTTY, MobaXterm, Data Guard, Lite Speed, AWS and Azure Cloud services
• AWS(EC2)
EXPERIENCE
Senior Consultant, Eversource Jan 2025 to Present
Berlin, CT
•Installed, configured, and maintained MS SQL Server instances (2014–2022) across development, test, and production environments.
•Planned and executed database migrations and version upgrades with minimal downtime and validated post-migration performance.
•Designed and implemented HADR solutions including Always On Availability Groups, replication, and log shipping to meet RTO/RPO requirements.
•Authored process and runbook documentation to standardize operational procedures and improve handover quality.
•Built PowerShell automation for deployment and health monitoring of SQL Server environments, reducing manual steps and improving consistency.
•Created T-SQL scripts and maintenance jobs to support application requirements and ensure operational stability.
Senior Consultant, Infosys Apr 2021 to Dec 2024
Hyderabad
•As a Technical Adviser, I need to assign tickets to Junior resources and help them follow the process guidelines.
•The Support Engineer works on assigned tickets by having calls with customers and will provide the solutions by understanding the issues with log analysis.
•TA will review all the support Engineer cases and provide them with technical guidance to ensure right solutions to client issues.
•Helping support Engineers to improve their technical skills and identify areas of development.
•Finding the most critical tickets that need TA attention and talking with clients to offer better solutions.
Senior Software Engineer, Allegis Services Private Limited Oct 2020 to Mar 2021
•Administered MS SQL Server environments hosting enterprise databases exceeding 10 TB, ensuring availability and performance.
•Improved application response times by 30% through query tuning, index management, and deadlock resolution.
•Designed and implemented high-availability solutions using Always On Availability Groups and failover clustering.
•Automated routine administrative tasks with PowerShell and T-SQL, reducing manual effort by ~40%.
•Executed migrations and upgrades (SQL Server 2012 2019) with minimal downtime; monitored performance using Profiler, Extended Events, and Query Store.
Senior Software Engineer, TATA Consultancy Services Apr 2019 to Aug 2020
•Monitored production database health and resolved critical incidents to maintain service continuity.
•Provisioned and configured SQL Server instances on AWS EC2 and supported migrations to Azure and AWS with careful cutover planning.
•Performed performance tuning using execution plan analysis and collaborated with development teams to optimize queries and schema design.
•Installed and managed SQL Server clusters (2008–2014), maintained SSIS packages, and created jobs, alerts, and automated maintenance tasks.
•Prepared RFCs and technical documentation; engaged with stakeholders to clarify requirements and deliver reliable database solutions.
Senior Software Engineer, SLK Software services PVT LTD Jul 2014 to Mar 2019
Responsibilities:
•Supporting 210 Application, 1500 Production databases.
•Managed multiple SQL Server instances across production, staging, and development environments.
•Hands-on experience in installing, configuring, managing, upgrading and migrating, monitoring and troubleshooting SQL Server 2000/2005/2008 R2/2012/2014 and SQL SERVER 2017.
•Designed and implemented database backup strategies using native SQL Server tools and third-party solutions.
•Ensure database security by implementing encryption, auditing, and compliance with GDPR and HIPAA regulations.
•Configured and maintained database replication and log shipping for real-time data availability.
•Provided 24/7 support for critical database issues, ensuring 99.9% uptime for business applications.
•Delivered comprehensive documentation on database policies, procedures, and disaster recovery plans.
•Assisted in database setup, installation, and configuration for new projects.
•Performed routine maintenance tasks, including rebuilding indexes and updating database statistics.
•Supported developers by creating stored procedures, triggers, and views to meet application requirements.
•Troubleshoot database connectivity issues and optimized database I/O performance.
EDUCATION
K L University 2009 to 2013
Bachelor of Technology in Computer Science and Engineering
GPA: 6.89
CERTIFICATIONS
ITIL V3 Foundation Certified
ACHIEVEMENTS
Certification of Appreciation (INSTA AWARD)
for good work on migrating 20 SQL Failover cluster to SQL AAG in SPS account
Received High-Five and SPOT awards from Client Aug 2016 to Feb 2017
for Best supporting resource in Aug,2016 and February 2017
LINKS
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