Raghu Thangavel
Peterborough,Cambridgeshire
Summary
IT professional with 17+ years overall experience, including in Cloud & DevOps. Blend of enterprise data center operations (Windows/Linux, VMware, networking, middleware) and modern cloud platform engineering on AWS and Azure. Hands-on with Kubernetes, Docker, Terraform/IaC, and CI/CD (Jenkins, GitLab, Azure DevOps, GitHub Actions). Experienced in multi-account governance (AWS Organizations/Control Tower), resilient network design (VPC, Transit Gateway), observability (CloudWatch, X-Ray, OpenTelemetry), security baselining (IAM, KMS, WAF/Shield), and cost governance.
Overview
18
18
years of professional experience
1
1
Certification
Work History
Associate Consultant
TATA Consultancy Services
07.2024 - Current
- Built and operated a multi-account AWS landing zone with Organizations/Control Tower; defined OUs and SCPs and delegated administration.
- Implemented hub-and-spoke networking using Transit Gateway; standardized VPC design and centralized logging and findings aggregation (Security Hub, CloudTrail, CloudWatch).
- Managed production services across EC2, Auto Scaling, ECS/Fargate, EKS, and Lambda with front-ends on Route 53, API Gateway, ALB/NLB, and CloudFront; data services on RDS/Aurora, DynamoDB, ElastiCache, S3/EFS.
- Delivered infrastructure as code with Terraform/CloudFormation/CDK and automated delivery with CodePipeline/GitHub Actions; containerized workloads with Docker and enforced least-privilege IAM/KMS/Secrets Manager.
- Drove observability with metrics/logs/alarms, X-Ray tracing, and OpenTelemetry exporters; improved cost governance via tagging, Budgets, and Cost Explorer.
Associate Consultant
TATA Consultancy Services
12.2021 - 06.2024
- Designed and operated Azure DevOps pipelines and AKS clusters for microservices across multiple environments; implemented approvals and quality gates.
- Built CI/CD with Jenkins and GitLab for hybrid deployments; enabled environment-versioned releases and artifact promotion.
- Upgraded and maintained Istio service mesh and Keycloak (SSO); modernized Hadoop/HDInsight components in private cloud; led an 8-member DevOps/CloudOps team to meet SLAs.
Technical Specialist
Mindtree Ltd
08.2016 - 11.2021
- Delivered IBM WebSphere Commerce deployments with DB2 integrations across multiple environments; automated build/deploy using Jenkins and Ansible.
- Implemented Tomcat and Nginx upgrades, TLS hardening, and performance tuning; executed migrations (WCS 7→8, WAS 7→8.5).
Senior System Engineer
Sennovate Infotech India Pvt Ltd
09.2015 - 07.2016
- Installed and configured IBM WebSphere Application Server; performed node federation, JVM tuning, security hardening, and fix-pack management.
- Managed application deployments via Admin Console; collaborated with dev teams on performance and stability improvements.
Associate System Admin
Sankhyaa Learning Pvt Ltd
12.2010 - 09.2015
- Administered AWS (EC2, ELB, RDS, S3, VPC, CloudFront) and Linux servers; implemented monitoring with Nagios/OpenNMS and log management.
- Maintained core services including LDAP, DNS, NFS, Apache, MySQL, and Bind9; handled patching, backups, and incident response.
Jr Customer Support Engineer
CMS Info Systems Pvt Ltd
05.2007 - 11.2010
- Installed and administered Windows Server 2003/2008, Active Directory, DNS, and DHCP in distributed environments.
Skills
- AWS
- Azure
- Terraform
- CloudFormation
- CDK
- Jenkins
- GitLab CI
- Azure DevOps
- GitHub Actions
- GitOps
- Docker
- Kubernetes
- Helm
- CloudWatch
- X-Ray
- OpenTelemetry
- IAM
- KMS
- Secrets Manager
- SCPs
- WAF
- CIS
- Well-Architected
- VMware vSphere
- ESXi
- Windows Server
- Active Directory
- Linux
- NetApp
- IBM WebSphere
- Apache Tomcat
- Nginx
- Keycloak
- VPC design
- Subnets
- NACLs
- Transit Gateway
- Route 53
- DNS
- DHCP
- Load balancers
- CDN
Certification
- AZ-104: Microsoft Azure Administrator Associate
- AZ-400: DevOps Engineer Expert
- MCITP: Enterprise Administrator (Windows Server 2008)
- Red Hat Certified Engineer (RHEL 6)
- VMware Certified Professional – Data Center Virtualization
Job Title
Cloud & Data Center Operations Engineer (CloudOps/DevOps)
Selected Tools Technologies
- AWS: Organizations/Control Tower, IAM, KMS, VPC, Transit Gateway, EC2, EKS, ECS/Fargate, Lambda, API Gateway, ALB/NLB, Route 53, CloudFront, RDS/Aurora, DynamoDB, ElastiCache, S3, EFS, CloudTrail, Config, CloudWatch.
- Azure: AKS, App Gateway, Azure DevOps, PostgreSQL.
- DevOps/IaC: Terraform, CloudFormation, CDK, Jenkins, GitLab CI, GitHub Actions, Ansible, Helm.
- Observability: CloudWatch, X-Ray, OpenTelemetry, logging/metrics/alerts, runbooks.
- Data Center: VMware vSphere/ESXi, Windows Server/AD, RHEL/CentOS/Ubuntu, NetApp, backups, patching.
- Web/Middleware: WebSphere/WAS, WebSphere Commerce, Apache Tomcat, Nginx, Keycloak.
Timeline
Associate Consultant
TATA Consultancy Services
07.2024 - Current
Associate Consultant
TATA Consultancy Services
12.2021 - 06.2024
Technical Specialist
Mindtree Ltd
08.2016 - 11.2021
Senior System Engineer
Sennovate Infotech India Pvt Ltd
09.2015 - 07.2016
Associate System Admin
Sankhyaa Learning Pvt Ltd
12.2010 - 09.2015
Jr Customer Support Engineer
CMS Info Systems Pvt Ltd
05.2007 - 11.2010
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