Shreela Roy
Bengaluru
Summary
DevOps Engineer with 15 years of IT experience, including 12 years focused on DevOps methodologies. Expertise in designing scalable CI/CD pipelines and automating infrastructure for enhanced efficiency. Successfully migrated legacy systems to cloud-native environments utilizing Azure and Kubernetes. Strong skills in scripting and configuration management, emphasizing reliability and continuous improvement.
Overview
16
16
years of professional experience
Work History
Associate consultant
TCS
Bengaluru
11.2021 - Current
- Automated and maintained end-to-end CI/CD pipelines using Jenkins and Groovy for microservices-based applications enabling seamless deployments to VMSS (via rolling upgrades and blue-green strategies) and AKS (using Helm, Kustomize, and GitOps).
- Designed and implemented scalable infrastructure on Microsoft Azure, leveraging Azure Virtual Machine Scale Sets (VMSS) and Azure Kubernetes Service (AKS) for high-availability and cost-optimized workloads.
- Developed infrastructure-as-code (IaC) with Terraform and ARM templates, ensuring consistent provisioning of Azure networking, compute, and Kubernetes clusters.
- Implemented monitoring, logging, and alerting via Azure Monitor, Log Analytics, Splunk, NewRelic and Application Insights, ensuring proactive system reliability and performance optimization.
- Managed containerized microservices on AKS with advanced configurations like auto-scaling, node pools, ingress controllers, and secrets integration with Azure Key Vault.
- Secured cloud environments by enforcing RBAC, Azure AD integration, Key Vault, Managed Identities, and Network Security Groups (NSGs) across VMSS and AKS deployments.
- Collaborated with cross-functional teams to deliver zero-downtime deployments, adopting blue/green and canary releases on AKS and VMSS environments.
- Led migration of Jenkins infrastructure to Azure Kubernetes Service (AKS), improving scalability and reducing downtime.
- Deployed containerized applications using Docker and Kubernetes; managed Helm charts and namespaces.
- Integrated Terraform (basic usage) for provisioning Azure resources and managing infrastructure as code.
- Collaborated with development teams to optimize build/test/deploy cycles and reduce release times by 40%.
- Managing Kubernetes Environments and deployment activities.
- Troubleshooting application deployment failures, analyzing Jenkins logs, check pod logs and logs in Azure portal.
- Extensively worked on automating CI/CD pipelines for patching ensuring vulnerability remediation.
- Support and perform necessary configuration changes for upgrades in Infra such as RHEL8 upgrade.
- Collaborate with application teams on successfully implementing changes like nodejs major version upgrade or java version upgrades.
- Migrated legacy CI/CD pipelines from on prem Jenkins to Jenkins on AKS, enabling faster and more reliable deployments.
Sr Infra Dev Specialist
Cognizant
06.2018 - 11.2021
- Worked as a Cloud DevOps Engineer with the added responsibilities of Linux Server Admin and Infrastructure automation with Ansible and Ansible Tower Admin.
- Developed Ansible playbooks various applications like Data stage, UNIX, IBM AIX and JAVA for Automated Deployment.
- Integrated JFrog, Ansible Tower jobs for CD deployment.
- Created playbooks for Infrastructure as code to generate VM(Unix&Windows) creation for different project teams.
- Worked in Ansible Tower to configure job Templates, Workflow, Inventories, credentials and integrating Splunk and NewRelic for monitoring.
- Automated Mainframe region properties with help of jinja2 templates.
- Supported Source Code Management tools like bitbucket, git.
- Ansible Tower, which provides an easy-to-use dashboard and role-based access control and in developing Ansible playbooks for managing the application/OS configuration files in GIT hub, integrating with Jenkins, and Verifying with Jenkins plugins, deploying the application in Linux environment.
- Awarded for automating the once manual Linux and AIX patching with Ansible Tower.
Senior Software Engineer
Tech Mahindra
03.2010 - 06.2018
- Worked as Linux System Administrator and Infra Automation Engineer.Application support along with DBA work.
- Configuration Management: Patch management and software installation configurations across the environments.
- System Administration and Application and DB migration: Database migrations from HP-UX to LINUX platform using data pump methods. Database installation, cloning, refresh, applying patches, upgrade, troubleshooting, and data loading and complete Sys-admin jobs.
- Ansible for Infrastructure Automation: Using Ansible for OS Patch management and BAU automation.
Education
BTech - ECE
WBUT
Skills
- CI/CD automation and pipelines
- Jenkins and Ansible Tower
- Containerization and orchestration
- Kubernetes and Docker
- Scripting and coding
- Groovy, Bash, Yaml
- Cross-functional collaboration
- Continuous improvement strategies
- Effective communication skills
- System troubleshooting techniques
- Vulnerability management practices
- Mentoring and collaboration
- Azure cloud services
- Configuration management tools
- Infrastructure as code with Terraform and Ansible
- Migration and scaling solutions
Timeline
Associate consultant
TCS
11.2021 - Current
Sr Infra Dev Specialist
Cognizant
06.2018 - 11.2021
Senior Software Engineer
Tech Mahindra
03.2010 - 06.2018
BTech - ECE
WBUT