Sravanthi Tummala
Doylestown,PA
Summary
Dynamic IT professional with over 11 years of experience specializing in Cloud, DevOps, and Build and Release administration. Proven expertise in migrating applications from on-premises data centers to public cloud platforms, particularly AWS, utilizing services such as EC2, CloudFormation, and Lambda. Demonstrated ability to automate workflows and enhance system reliability through effective use of CI/CD tools like Jenkins and Ansible, along with strong skills in containerization and infrastructure management using Terraform. Recognized for adaptability and a collaborative approach, consistently delivering innovative solutions to complex challenges while maintaining high-availability systems.
Overview
13
13
years of professional experience
1
1
Certification
Work History
Sr DevOps Engineer
Guardian Life Insurance
Bethlehem, PA
11.2022 - Current
- AWS account creation, governance, and baseline configuration following enterprise standards.
- Terraform development for AWS resource creation, reusable modules, environment provisioning.
- Application setup and configuration aligned to Guardian security, networking, and deployment standards.
- CI/CD pipeline development and code deployment for new applications across Dev, QA, Stage, and Prod.
- Experience with Windows and Linux patching, remediation, and application migration.
- Migration of applications and infrastructure components from on-premises datacenters into AWS.
- EKS cluster setup, nodegroup configuration, upgrades, monitoring, and operational support.
- Built complete CI/CD pipelines for EKS-based deployments (Helm, ArgoCD, Jenkins, GitLab).
- Migrated ALB/ELB SSL certificates from third-party providers to AWS ACM with zero downtime.
- Python automation for AWS resource discovery, tagging compliance, inventory management, and tooling.
- Implemented cost optimization strategies using Cloud Custodian Lambdas.
- Reduced RDS costs through analysis, reserved instance planning, and execution.
- Monthly on-call rotation for one full week supporting production outages and P1 issues.
- Played a key role in setting up Disaster Recovery (DR) environments for all production workloads.
- Implemented container orchestration with Kubernetes, optimizing resource utilization and application scaling.
- Mentored junior engineers on best practices for DevOps tools and methodologies, fostering professional development.
- Collaborated with cross-functional teams to align DevOps strategies with business objectives, driving project success.
- Facilitated knowledge sharing among team members by documenting processes, best practices, and lessons learned from past experiences.
Sr DevOps Engineer
Elsevier INC
08.2016 - 10.2022
- Worked on migration from on premise to AWS which includes Migrating existing applications, building new servers, deploying applications, setting up automation in new environment, creating CI/CD pipeline for Dev and Test environment.
- Created Amazon VPC to create public-facing subnet for web servers with internet access, and backend databases & application servers in a private-facing subnet with no Internet access.
- Managed VPC configurations for organizations and maintaining networks, subnet ranges, ACLs, Internet Gateways, Security Groups, NAT instances and routing tables.
- Experience in Automating infrastructure deployments in AWS using Cloud Formation.
- Installed and configured the Newrelic agents on the servers for monitoring and reporting.
- Built and Deployed Docker images on AWS ECS and automated the CI-CD pipeline.
- Configured the AWS ALB to route the traffic from target group to right targets on AWS ECS.
- Experience in Continuous integration(CI) tools such as Jenkins to set up CI/CD pipeline to Build and Deploy applications for both standalone and Container based applications.
- Experience installing and configuring Jenkins server using ansible code base from scratch.
- Wrote Yaml scripts for AWS code deploy to automate deployment process.
- Integrating more tracking tools like Tanium and crowdstrike in servers AMI to make them more agile.
- Used Amazon S3 to store DB snapshots, maven repo, build package to backup and restore in the future.
- Worked with AWS Route53 to route traffic to different environments based on the routing policy defined.
- Configured and managed Elastic Load Balancer (ELB) with ASG for high availability and fault tolerance.
- Used AWS Elastic Beanstalk for deploying and scaling web applications developed within Nodejs platform in pre-production and production environment.
- Implemented and maintained the monitoring, alerting of production and corporate servers using CloudWatch.
- Experience setting up the Log groups and use of CloudWatch to populate the instance log on the console.
- Integrated Jenkins with Maven for builds and wrote scripts using Shell and Python for automation of various tasks.
- Used Git as a version control tool and maintained Source code in the GitHub repository.
- Used JIRA for creating bug tickets, storyboarding, pulling reports from dashboard, planning sprints.
- Worked with Development Team Leads and testing teams to establish a build schedule, execute the builds and troubleshoot build failures, if any.
- Experience setting-up infrastructure on both AWS regions for active-active deployment and developing deployment framework for Blue/ Green deployments.
- Experience working with terraform modules for infrastructure setup.
- Experience creating and using terraform modules for infrastructure expansion.
- Experience working with database technologies such as Amazon RDS and EC2 hosting SQL servers.
- Experience with Security patching of the environments with minimum downtime.
- Responsible for setting up basic Disaster recovery plan for the lower and Production live environment
- Setting up basic IAM user roles and policies for user specific goals.
- Migrating IAM user access and secret from code base to AWS secrets manager for more security.
- Experience migrating IAM user from credentials to roles and policies for better security.
- Setup maintained and rotated SSL certificates on ELB’s from Trustwave or AWS provided to AWS IAM and AWS ACM.
- Experience being on on-call rotation for applications 24/7 once a month.
- Experience migrating simple Cloudwatch monitoring to Newrelic/Opsgenie for on-call support and maintained runbooks for the same.
- Environment: Amazon Web Services(AWS), Docker, Redhat Linux, Tomcat, Apache, Ansible, Jenkins CI/CD, Blue/green deployment, Newrelic, Terraform.
Associate Applications Developer/Build-Deployment Engineer
ORACLE
09.2012 - 07.2014
- Implement and maintain highly automated Build and Deployment process.
- Install, configure and administration of WebLogic Application Server on Linux and Windows environment.
- Maintained WebLogic Application Server on different UNIX platforms and have setup development, testing, staging and production environments for the ongoing application development.
- Installation, Configuring, troubleshooting and maintaining the Weblogic and Apache web server.
- Working on Daily builds Using Shell Script and Maven Script to extract code from Version Control.
- Deployed applications (Service center etc.) on multiple Weblogic Servers and maintained Load balancing, high availability and Fail over functionality.
- Lead the application teams in adopting the best practice of source code management and traceability.
- Assist with supporting source code management tools and automation builds by Maven.
- Created the connection pools, various data sources, JMS connection Factories, Queues and topics.
- Managed and Monitored JVM performance by Web logic Heap Size, garbage collection, JDBC Pools.
- Deployed WARs, EARs using WebLogic Admin Console as well as running scripts.
- Installation, Configuring, troubleshooting and maintaining the IIS server on Windows 2003/2008.
- Manually deployed packages to the IIS servers and reboot the service as part of deployment.
- Developed and supported the Configuration and Builds Management Processes and procedures and worked in Platform Change Clear Case CLM to MSBuild.
- Performed all necessary day-to-day Build support for different projects and Worked on Build Issues by Using make files and Prop files.
- Involved in migrating data from Clear Case to MSBuild using Property files and by using PowerShell triggers.
- Designed and implemented MSBuild metadata including elements, labels, attributes, triggers and hyperlinks.
- Facilitated the Change Control Board and assessed Change requests for builds and worked on Delivery and Builds in Jenkins and Used Jenkins Plugins to Implement Artifactory.
- Documented Debug/release, builds and source control procedures and plans.
- Teach others the way to code in a correct format and how to manage Build Issues by using props files.
- Maintained Defect Fix Deployments and documented the deployed files in the appropriate Environment Migration log.
- Triage issues in Weblogic servers.
- Environment: Maven, ANT, Jenkins, W2k/NT, Windows 2003/2008, Redhat, Agile, Apache Tomcat, Java, Weblogic, Oracle, IIS.
Education
Bachelors - Engineering
JNT University
Hyderabad, India05.2012
Skills
- Microservices architecture
- Cloud computing expertise
- Containerization technologies
- Scripting languages
- Incident management
- Infrastructure automation
- Amazon web services
- Microservice design
- AWS Certified Solutions Architect – Professional
Certification
- Certified AWS Certified Solutions Architect – Professional
Timeline
Sr DevOps Engineer
Guardian Life Insurance
11.2022 - Current
Sr DevOps Engineer
Elsevier INC
08.2016 - 10.2022
Associate Applications Developer/Build-Deployment Engineer
ORACLE
09.2012 - 07.2014
Bachelors - Engineering
JNT University