Hemalatha Krishnamurthy
Senior Database/Devops Engineer
Cypress,CA
Summary
Accomplished Senior Database/DevOps Engineer with extensive experience at Verizon Digital Media Services, specializing in AWS migrations and high availability solutions. Proficient in Microsoft SQL Server and automation using CloudFormation and Terraform. Recognized for optimizing resource usage and enhancing team collaboration through effective communication and leadership skills.
Overview
20
20
years of professional experience
3
3
Certifications
Work History
Senior Database/DevOps Engineer
Verizon Digital Media Services
06.2017 - 02.2025
- Minimal-downtime migration of mission-critical databases from on-prem to AWS using log shipping, with a rollback/DR strategy built-in
- Architected and implemented HA/DR solutions across on-prem and AWS environments, including EC2 clusters with FSx for Windows File Server.
- Implemented forced encryption connections successfully as we were migrating to AWS. Automated Certificate rotations for backups in all environments.
- Was in the process of doing a POC to move the databases to either RDS or Configure the cluster using EBS volumes rather than FSx which was expensive.
- Monitored Cost using Cost explorer, added cost allocation tags to the resources and made changes as needed to reduce the cost.
- Created and managed IAM users, roles, and security groupsto enforce least privilege access
- Automation of maintenance tasks using T-SQL Stored Procedures.
- Configured backups from FSx to S3 directly, the files were then copied to On-prem server to run consistency checks for larger databases.
- Automated AWS instance configurations using Cloud Formation
- Setup Continuous Deployment to AWS EC2, Kubernetes Cluster on AWS EC2 and AWS EKS
- Maintained version control system Git for seamless collaboration among developers and engineers during project lifecycles.
- Reduced system downtime for critical applications by implementing robust monitoring and alerting tools using AWS Cloudwatch and SNS topics
- Provided 24/7 on-call support for critical systems, ensuring high availability and rapid issue resolution.
- Optimized build processes using Jenkins for fast feedback loops in development cycles.
- Mitigated security risks by conducting regular vulnerability assessments and applying necessary patches.
- Optimized resource usage by implementing and managing infrastructure as code using Cloud Formation, Terraform
- Designed and implemented containerization strategies using Docker and Kubernetes, improving resource utilization and management.
- Monitored automated build and continuous software integration process to drive build/release failure resolution.
- Hands-on experience with Redgate Monitor, Foglight, New Relic monitoring tools. Upgrade them with new versions as they get released.
- Monitoring with Prometheus
Senior Programmer Analyst
Sim Infotech
12.2016 - 06.2017
- Analyze the functional and technical requirements, design, develop, test, integrate and implement enhancements for existing in house application.
- Developed comprehensive documentation for software projects, facilitating smooth handovers and enabling efficient maintenance activities.
- Utilized both agile and waterfall methodologies to develop software of varying complexity and business needs.
- Define/Recommend/Maintain Database Standards and Architecture.
- Develop and manage data marts, SQL Server Objects, including tables, views, stored procedures, triggers, etc., according to business requirements
- Architect the database for reporting efficiency, and implement best practices
- Analyze the performance of the database and perform performance tuning.
- Optimize queries, stored procedures, and indexes to improve reporting performance
- Research and Recommend Patch management for database/instance and Impact Analysis
- Recommend and Review Backup and Recovery Strategies.
- Troubleshooting Database Clustering, Replication, Log Shipping
- Designing SQL Server Security.
- Designing strategy towards Capacity Management for DB tracks.
- Provide status report as required by the manager.
Senior Database Administrator
IBM India Pvt. Ltd.
06.2015 - 12.2015
- Configuring HA using Log Shipping, Mirroring, Replication, and Clustering, SQL AlwaysOn high availability groups;
- SQL server service pack and security patches installation;
- SQL migration and purgation;
- Automating Database Maintenance Plans;
- Scheduling SQL Server Agent Jobs, Alerts and automating scripts;
- Performing backups, restores, database shrink operations, DBCC commands, Database mirroring, and Replication
- Created DTS, SSIS packages
- Troubleshooting and resolving database integrity issues, performance issues, blocking and deadlocking issues, replication issues, log shipping issues, connectivity issues, and security issues Using Profiler, DMV, Perfmon counters as applicable.
- Detect and troubleshoot SQL Server related CPU, memory, I/O, and disk space;
- Documentation skills for processes and procedures (creating KBs and run-books).
Senior Lead Engineer
Olam Information Services
04.2014 - 05.2015
Associate Consultant (DBA Lead L3)
HCL Technologies Ltd
07.2010 - 04.2014
SQL Server Support Engineer
Microsoft GTSC India Pvt. Ltd.
08.2005 - 07.2010
Education
Bachelor of Science - Electrical, Electronics And Communications Engineering
University of Madras
Chennai, India 05.2001 -
Skills
Microsoft SQL Server
AWS Devops
GitLab
Kubernetes Cluster
CloudFormation, Terraform
Python
Shell Scripting
Docker
JIIRA
Confluence
ETL Pipelines
Certification
AWS Certified Cloud Practitioner
Timeline
Microsoft Certified: Azure Database Administrator Associate
05-2025
AWS Certified Cloud Practitioner
01-2025
Microsoft Certified: Azure Fundamentals
09-2019
Senior Database/DevOps Engineer
Verizon Digital Media Services
06.2017 - 02.2025
Senior Programmer Analyst
Sim Infotech
12.2016 - 06.2017
Senior Database Administrator
IBM India Pvt. Ltd.
06.2015 - 12.2015
Senior Lead Engineer
Olam Information Services
04.2014 - 05.2015
Associate Consultant (DBA Lead L3)
HCL Technologies Ltd
07.2010 - 04.2014
SQL Server Support Engineer
Microsoft GTSC India Pvt. Ltd.
08.2005 - 07.2010
Bachelor of Science - Electrical, Electronics And Communications Engineering
University of Madras
05.2001 -
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