Open To Work
Ranganayakulu Challa
Irvine,USA
Work Preference
Summary
Senior DevOps engineer with extensive experience in designing cloud infrastructure and automating CI/CD pipelines. Successfully deployed cost optimization strategies without compromising performance, while migrating legacy applications to cloud-native environments using Terraform. Proven ability to design, implement and optimize network solutions that enhance reliability and operational efficiency.
Overview
11
11
years of professional experience
Work History
Devops engineer
Optum
Irvine
01.2020 - Current
- Automated deployment pipelines, improving execution speed for development teams.
- Build automated CI/CD pipelines using git actions and Jenkins to reduce execution time for deployments.
- Used terraform to provision scalable and reusable IaC.
- Migrated legacy application to cloud using terraform IaC.
- Executed cloud cost optimization strategies, right-sizing resources and optimizing storage lifecycle.
- Reduce cloud infrastructure costs by implementing optimized solutions without impacting application performance.
- Architected and managed multi-node Kubernetes clusters, ensuring high availability and auto-scaling for business-critical containerized workloads.
- Managed and maintained high-availability cloud database infrastructure for PostgreSQL and MySQL workbench.
- Supported production deployments, handled certificates consumed by applications and supported with troubleshooting of P1/P2 issues on production.
- Led troubleshooting and resolution of critical P1/P2 production outages, minimizing downtime.
- Managed security certificates consumed by internal and external applications using Azure and Venafi tools.
- Created security policies on cloud infrastructure to be in compliance and reduce risks for application.
- Established and enforced cloud security policies to align infrastructure with compliance standards and reduce application risks.
- Utilized ticketing tools, including ServiceNow and Rally, to track and manage project issues.
- Built real-time monitoring infrastructure using Grafana and Dynatrace.
software engineer
Saibersys
Carrolton
05.2015 - 01.2020
- As a software engineer, I collaborated with the defect management team to troubleshoot and debug production issues.
- Facilitated production releases by implementing critical defects and features, ensuring system reliability and user satisfaction.
- Contributed to multiple migration projects, enhancing application efficiency through improved response times and reduced costs.
- Designed and developed modules/features using J2EE technology.
- Developed build and deployment pipelines using Jenkins.
- Applied logging to application and server-side logs using Log4j.
- Integrated splunk with applications to monitor metrics and logs.
- Experience with Junit to add test cases and test suites for features.
- Used Soap UI and postman tools to test SOAP and Rest apis.
- Performed CRUD operations on Oracle and SQL databases.
- Experience with Servicenow to track production defects and change releases.
- Used shell scripting to view files and logs on servers.
- Oversaw GitHub activities to ensure effective code management and integration processes. for creating branches, committing code and merge activities.
Education
Bachelor’s degree - Information Technology
JNTU
HyderabadMasters Degree - Applied Computer Science
Northwest Missouri State University
MI, USASkills
- Terraform
- Jenkins
- Kubernetes
- Docker
- Azure services
- Git workflows
- Ansible
- Grafana
- Dynatrace
- Splunk
- PostgreSQL
- MySql
- Servicenow
- Rally
- Jboss
- Jfrog
- Sonar
- Python
- Bash
- Shell scripting
- Soap UI
- Postman
- Visual studio
Timeline
Devops engineer
Optum
01.2020 - Current
software engineer
Saibersys
05.2015 - 01.2020
Bachelor’s degree - Information Technology
JNTU
Masters Degree - Applied Computer Science
Northwest Missouri State University