Vandana Rangarajan
DevOps/SRE
Chennai
Summary
Results-driven IT professional with over 6 years of experience in Unix/Linux environments and AWS Cloud services, specializing in the support, automation, and optimization of mission-critical deployments. Demonstrated expertise in leveraging CI/CD methodologies and DevOps practices to enhance operational efficiency. Proven track record of streamlining processes and improving system performance, ensuring seamless integration and deployment within dynamic environments. Committed to driving innovation and delivering high-quality solutions that align with organizational objectives and foster growth.
Overview
6
6
years of professional experience
2
2
Certifications
Work History
SRE/Support Engineer
Comcast
01.2025 - Current
- Working as SRE/Support Engineer within NBCU.
- Ensuring scalable and resilient architecture for all application teams with NBCU.
- Managing GitHub Enterprise, Terraform Enterprise, Nexus, and SonarQube for the entire NBCU organization.
- Supporting on-call and working on incident resolution.
- Utilised Terraform for provisioning, upgrading, and destroying resources.
- Deployed Kubernetes clusters (EKS) for hosting self-hosted runners for application teams.
- Collaborated with developers to resolve issues in CI/CD tools such as GitHub Actions and Jenkins.
SRE
COMCAST
08.2023 - 12.2024
- Working as SRE within NBCU for Peacock OTT platform.
- Ensuring scalable and resilient architecture for video telemetry metrics.
- Managing AWS cloud infrastructure for Peacock OTT.
- Worked with Concourse for deploying and maintaining CI/CD pipelines.
- Utilised Terraform for provisioning, upgrading and destroying resources.
- Deployed Kubernetes clusters (EKS) for hosting microservices in the project.
- Used Grafana and Prometheus for monitoring telemetry metrics such as https requests, playback error and video quality.
- Had an opportunity to work on Kafka clusters and Druid.
- Have done POC for using Opentelemetry and Grafana Alloy.
- Also worked with Cyber team to integrate Akamai WAF.
Digital Associate
Amazon Web Service
08.2020 - 07.2023
- Working as team member within team of cloud engineers and my responsibilities includes.
- Setup & Managing windows Servers on Amazon using EC2, EBS, ELB, SSL, Security Groups, RDS and IAM.
- Managing VPC, Subnets; make connection between different zones; Blocking suspicious IP/subnet via ACL.
- Managing CDN on Amazon Cloud Front (Origin Path: Server / S3) to improve site performance.
- Create & Managing buckets on S3 and store db and logs backup, upload images for CDN server.
- Setup databases on Amazon RDS or EC2 instances as per requirement.
- Managing AMI/Snapshots/Volumes, Upgrade/downgrade AWS resources (CPU, Memory, EBS).
Digital Associate
Amazon Development Center
11.2019 - 07.2020
- Working on Machine Learning with Defined set of Instructions and collect ground truth data on Product Development.
- Performed repeated exercises based on the dynamic Instructions without compromising On Quality.
- Understood and applied good Procedures and guidelines for new Tasks and Releases and
- Have given idea on developing Work tool for Production Increasing and Quality improvement.
Skills
Configuration Mgmt : Terraform
CI/CD Server : Jenkins, Concourse, GitHub Actions
Containerization tool : Docker , Kubernetes, Helm
Cloud Technology : AWS
VCS tool : GIT/ CodeCommit
Build tool : Maven /Aws CodeBuild
Monitoring Tools : Cloud Watch, Grafana, OpenTelemetry, Prometheus
Distributed Systems : Kafka
Serverless Services : Lambda
Ticket Tool : Slack, Jira
Experience and Skills
- Experience on CI (Continuous Integration) and CD (Continuous Deployment) methodologies with Jenkins, GitHub Actions and Concourse.
- Understanding the client environment, Administrating and creating solutions using CI/CD,GIT, Dockers, Kubernetes and with AWS DevOps Tools.
- Hands on experience in Provisioning, Orchestration, Packages, Services, configuration and deployment using Ansible.
- Hands on writing Cloud formation template and Docker files.
- Experience with Amazon Web services Creating, Configuring and Managing EC2 services across AWS Zone.
- Working on AWS cloud such as creating EC2, VPC, IAM, S3, ACM, ELB.
- Experience in using version controller tools like GIT and AWS Code Commit.
- Operating and managing large-scale Kubernetes clusters by managing control-plane and data-plane components using Kubectl commands and maintaining service and deployment YAML files.
- Hands on expertise to setup, configure continuous build processes using Jenkins, Concourse, GitHub Actions workflows.
- Experience in Containerization tool like Docker, Kubernetes.
- Experience in build Docker images such as Docker Files.
Certification
CCNA
Timeline
SRE/Support Engineer
Comcast
01.2025 - Current
SRE
COMCAST
08.2023 - 12.2024
Digital Associate
Amazon Web Service
08.2020 - 07.2023
Digital Associate
Amazon Development Center
11.2019 - 07.2020