Building Scalable Cloud
Infrastructure & Automated Systems
Senior DevOps Engineer | Cloud Solutions Architect | Cloud Security specializing in AWS, ECS Fargate & Cloud Security. Focused on reliability, cost efficiency, and enterprise-grade DevSecOps.

Experience
15+ Years
Technical Stack
A comprehensive set of tools and technologies I use to build, deploy, and maintain robust cloud ecosystems.
Professional Experience
A track record of engineering reliability and performance across diverse technological landscapes.
Senior DevOps Engineer
- Designed AWS Organizations multi-account structure (15+ accounts) with SCPs and IAM policies.
- Built Terraform-based infrastructure including VPC, ECS Fargate clusters, ALB/NLB, API Gateway, S3, Route53.
- Implemented secure authentication with AWS Cognito, Lambda authorizers, and Auth0.
- Built CI/CD pipelines using Azure DevOps YAML for containerized microservices deployments.
- Implemented observability using CloudWatch, Prometheus, Grafana, Firelens, and OpenSearch.
DevOps Engineer
- Designed Terraform-based AWS infrastructure across dev/stage/prod environments.
- Migrated monolith applications to Docker-based microservices on ECS/EKS Kubernetes.
- Built CI/CD pipelines using Jenkins and GitHub/GitLab CI.
- Automated configuration management using Ansible.
- Implemented cost optimization strategies reducing cloud costs by 30%.
Cloud Architect
- Managed multi-zone infrastructure across Kolkata and Mumbai data centers.
- Designed AWS infrastructure using EC2, VPC, S3, CloudFront, ALB, and Lambda.
- Built CI/CD pipelines using Jenkins and automated deployments using Ansible.
- Managed hybrid environments integrating AWS and Azure cloud platforms.
Analyst IT Support / Cloud Architect
- Configured SAMBA file servers and SVN repositories for version control.
- Managed Citrix XenServer virtualization infrastructure.
- Automated backups and operational scripts to improve reliability.
System Engineer
- Managed Windows Server infrastructure and Active Directory environments.
- Implemented GPO policies and enterprise-level security configurations.
- Maintained DNS, DHCP, and server patching processes.
Architecture Portfolio
Significant infrastructure deployments and cloud-native solutions I have architected and managed.
Designed and operated AWS Organizations structure with 15+ accounts, SCPs, and IAM policies for The LCF Group.
Implemented centralized governance with SCPs and granular IAM policies across accounts, with full observability via CloudWatch, Prometheus, Grafana, and OpenSearch.
Led migration of monolith applications to Docker-based microservices on Amazon ECS and EKS Kubernetes for TCGDigital.
Full infrastructure-as-code approach with Terraform across dev/stage/prod environments, with 30% cloud cost reduction through auto-scaling and right-sizing.
Built comprehensive YAML-based Azure DevOps pipelines for containerized microservices deployments at The LCF Group.
Implemented secure authentication flows with AWS Cognito and Lambda authorizers, integrated with Auth0 for seamless identity management.
Designed and managed multi-zone AWS and Azure hybrid infrastructure across Kolkata and Mumbai for ABP eVenture.
Architected high-availability multi-region infrastructure using EC2, VPC, S3, CloudFront, and ALB with automated CI/CD via Jenkins and Ansible.
Certifications
Industry-recognized credentials validating expertise across AWS, Azure, and enterprise IT systems.
AWS
- AWS Certified Solutions Architect – Associate
- AWS Certified Solutions Architect – Professional
- AWS Certified Advanced Networking – Specialty
Azure (In Progress)In Progress
- AZ-303 Microsoft Azure Architect Technologies
- AZ-304 Microsoft Azure Architect Design
Microsoft
- MCTS Windows Server 2008
- MCITP Enterprise Administrator
- MCSE
Other
- CompTIA A+
- CompTIA Network+
Let's Build Something Scalable
Interested in collaborating or have a challenging cloud infrastructure problem to solve? I'm always open to discussing new opportunities.