Sumit Ranjan
Principal Release Engineer Lead
Bangaluru
Summary
DevOps Engineer with 13+ years of experience driving end-to-end automation, cloud transformation, and scalable infrastructure across AWS, Azure, and Kubernetes environments. Specialized in building secure, resilient, and high-performing platforms using modern DevOps practices, GitOps, Infrastructure as Code, and CI/CD automation. Proven track record of leading critical cloud initiatives, implementing enterprise-grade security and observability solutions, and enabling engineering teams through robust tooling and process improvements. Strong expertise in Kubernetes, cloud microsegmentation, infrastructure automation, cloud identity management, and large-scale environment operations. Known for ownership, accountability, and delivering complex projects that improve reliability, accelerate delivery, and strengthen organizational security posture.
Overview
13
13
years of professional experience
3
3
Certifications
Work History
Principal Release Engineer Lead
Akamai Technologies
07.2017 - Current
- I successfully led the DevOps team in implementing the Cloud Microsegmentation feature across both Azure and AWS—an initiative that had a significant impact on Akamai’s revenue. This work required driving multiple complex technical changes across our DevOps processes, ensuring seamless integration, operational stability, and timely delivery.
- Administered and maintained 20+ Azure and 20+ AWS accounts for my team and business unit, managing key services such as Microsoft Entra ID, IAM Identity Center, and cross-account access controls. I ensured secure, scalable, and compliant configurations across all environments.
- Automated infrastructure deployments using Bicep for Azure and CloudFormation for AWS enable faster provisioning, consistency across environments, and reduced operational overhead.
- Extensive hands-on experience with a wide range of cloud services.
- Azure: Storage Accounts, Azure Lighthouse, Azure Container Registry (ACR), Virtual Networks, Function Apps, Bicep, Microsoft Entra ID, Azure Monitor, and policy/governance features. AWS: EC2, ECR, VPC, S3, Lambda, CloudWatch, IAM/Identity Center, Route 53, and security policies.
- Hands-on experience deploying, managing, and scaling containerized applications on Kubernetes (LKE) clusters.
- Built and optimized CI/CD pipelines to automate Kubernetes deployments using tools like Jenkins, GitHub Actions, and ArgoCD.
- Strong knowledge of Kubernetes RBAC, role-based access controls, and secure cluster configurations.
- Implemented the CSPM tool Wiz across all cloud environments and Kubernetes clusters to continuously scan resources, detect misconfigurations, and strengthen our overall security posture. This proactive approach ensures early identification of vulnerabilities, compliance gaps, and high-risk exposures, helping us maintain a robust, secure infrastructure.
- Implemented Groundcover as the primary observability and monitoring platform for all Kubernetes clusters, improving real-time visibility into application performance and cluster health.
- Worked on building and enhancing end-to-end CI/CD pipelines using Jenkins and CircleCI, ensuring reliable, automated delivery across environments. Additionally, integrated GitOps practices for Kubernetes deployments enable consistent, version-controlled, and fully automated cluster rollouts.
Senior Release Engineer
VISA
05.2015 - 07.2017
- Led the end-to-end implementation of CI/CD using Git, Jenkins, Chef, and Docker, enabling a fully automated and reliable delivery pipeline.
- Migrated the complete enterprise codebase from AccuRev to Git, preserving over one year of history and ensuring seamless developer adoption.
- Automated application and middleware deployments using Chef by creating scalable cookbooks and end-to-end automation workflows.
- Designed and configured Jenkins pipelines for continuous integration and delivery, including hosting Jenkins in Docker and automating job orchestration.
- Set up Docker Engine and private registries to streamline containerized builds and environment consistency.
- Automated the provisioning and deployment of middleware packages across environments such as QA, Performance, and CAS.
- Managed large-scale performance environments (200+ servers), overseeing builds, deployments, load balancer configuration, and environment stability.
- Worked with Build Forge and Anthill Pro to configure CI/CD jobs, automate builds, and improve deployment efficiency.
- Administered AccuRev for code promotions, lane management, and version control operations prior to Git migration.
- Handled Jira administration, including project setup, workflow configuration, role/permission management, and custom filters for improved tracking.
Build and Release Engineer
Cognizant Technology Solution
09.2012 - 04.2015
- Managed and optimized continuous, nightly, and release build pipelines to ensure stable and timely software delivery.
- Administered full lifecycle version control operations in SVN, including branching, tagging, merging, check-in/check-out, and repository maintenance.
- Developed automated build scripts for .NET and Java applications using MSBuild and Maven, improving reliability and reducing manual effort.
- Set up Continuous Integration for Java products on Linux using shell scripting, Maven, and QuickBuild CI, ensuring faster feedback cycles.
- Automated end-to-end deployment pipelines using Shell and PowerShell scripting, enabling consistent deployments across QA, CS, and Production environments.
- Built automated workflows to deploy artifacts from Nexus to multiple application environments.
- Configured permissions and access controls for CI users to trigger automated builds in QuickBuild.
- Contributed to Agile ceremonies, and used VersionOne for sprint planning, backlog management, and tracking team deliverables.
- Installed and configured build agents, defining efficient build processes, and CI best practices across projects.
- Successfully migrated source code repositories from TFS to SVN, while preserving over five years of history.
- Automated .NET deployments using PowerShell, MSBuild, and Windows Installer; created deployment packages using WiX.
- Integrated Veracode scans into CI workflows using shell scripts to enhance the application security posture.
- Automated database deployment processes using PowerShell and SQL scripts, ensuring error-free and repeatable DB changes.
- Managed repository security and user access via TeamForge to maintain governance and compliance.
- Provisioned and configured new projects in QuickBuild, ensuring alignment with organizational CI/CD standards.
- Implemented Jenkins master–slave architecture for distributed builds, configured jobs, authentication, scheduling, and artifact snapshotting for efficient build management.
Education
B.E - Electrical & Electronics
SCSVMV University
HSC - undefined
DAV public school
SSC - undefined
S.T Albert’s High School
Skills
GitHub
Certification
EXIN certified ITIL Foundation V3
Timeline
Principal Release Engineer Lead
Akamai Technologies
07.2017 - Current
Senior Release Engineer
VISA
05.2015 - 07.2017
Build and Release Engineer
Cognizant Technology Solution
09.2012 - 04.2015
B.E - Electrical & Electronics
SCSVMV University
HSC - undefined
DAV public school
SSC - undefined
S.T Albert’s High School