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Thirumagal Manivannan

@thirumagalmanivannan

Senior DevOps / Platform Engineer at Veristat who standardized CI/CD across 40+ repositories.

At Veristat, I standardized CI/CD pipelines across 40+ repositories, improving delivery consistency and increasing deployment frequency. I also improved pull-request cycle time by 35% through reusable templates, policies, and automated access management.

I automate AWS infrastructure with Terraform and CloudFormation and deploy containerized applications on Amazon EKS. My work also includes security controls, monitoring, and production incident response for healthcare systems.

Experience

Work history, roles, and key accomplishments

Current

Senior DevOps / Platform Engineer

Current

Veristat

Apr 2021 - Present (5 years 6 months)

Designed and standardized CI/CD pipelines across 40+ repositories, improving pull-request cycle time by 35%. Automated AWS infrastructure with Terraform and CloudFormation, and managed containerized applications on EKS.

Jenkins GitHub Actions Maven SonarQube Terraform CloudFormation AWS Amazon EKS Docker Kubernetes Ansible Prometheus Grafana Splunk Cloudwatch IAM AWS Secrets Manager Parameter Store GitOps Incident Response RCA

DevOps Engineer II

Veristat

Apr 2017 - Mar 2021 (3 years 11 months)

Built Jenkins CI/CD pipelines and managed AWS services for scalable environments. Deployed containerized microservices with Docker and Kubernetes, and maintained GitOps workflows with Argo CD.

Jenkins AWS EC2 S3 RDS Lambda Amazon Cloudfront Route 53 CloudTrail IAM VPC Shell Ansible Docker Kubernetes ArgoCD ELK Stack Nginx Apache Tomcat MySQL MongoDB Nexus CloudFormation Jira

DevOps Engineer I

INC Research

Oct 2015 - Dec 2016 (1 year 2 months)

Built and maintained Jenkins and Git-based CI/CD pipelines. Designed highly available AWS environments and deployed Docker-based applications to Kubernetes.

Jenkins Git AWS EC2 S3 RDS VPC Ansible Docker Kubernetes Security Assessments

System Test Analyst II

Quintiles

Oct 2014 - Apr 2015 (6 months)

Supported healthcare application releases by authoring and executing test plans and test cases, and coordinated defect resolution across the SDLC.

Test Planning Test Execution Defect Tracking Jira TopTeam ALM (Quality Center)

Senior Quality Control Analyst

Duke Clinical Research Institute

Feb 2014 - Sep 2014 (7 months)

Validated healthcare data-warehouse applications and clinical systems through system testing, defect tracking, and release verification.

System Testing Defect Tracking Release Verification Data Warehouse (DWH)

Product QA Analyst

Merge Healthcare

Oct 2010 - Dec 2013 (3 years 2 months)

Tested and validated enterprise healthcare applications, including EDC and IVR platforms, and created SOPs, test cases, and compliance-aligned defect documentation.

QA Testing EDC IVR SOPs Test Cases Defect Documentation