Available for Cloud & DevOps Consulting

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.

Aritra Biswas — Senior DevOps Engineer

Experience

15+ Years

0+Years Experience
0%Cloud Cost Reduction
0+AWS Accounts Managed
0%Uptime Maintained

Technical Stack

A comprehensive set of tools and technologies I use to build, deploy, and maintain robust cloud ecosystems.

Cloud & AWS Architecture
EC2
RDS
Auto Scaling
IAM
KMS
Route53
VPC
Subnets
Security Groups
VPC Peering
Endpoints
S3
EFS
API Gateway
CloudFront
ALB/NLB
VPN
Azure Architecture
Virtual Machines
VM Scale Sets
VNet
Subnets
NSG
Azure Load Balancer
Application Gateway
Azure Blob Storage
Key Vault
Azure Monitor
Azure DevOps
Azure AD
Containers & Serverless
Docker
Kubernetes
Amazon ECS Fargate
Amazon EKS
AWS Lambda
CI/CD & DevOps Tools
Jenkins
GitHub Actions
GitLab CI
Azure DevOps (YAML)
Ansible
Terraform
AWS CloudFormation
Monitoring & Observability
CloudWatch
Prometheus
Grafana
Zabbix
Nagios
Firelens
OpenSearch
Programming & Systems
Python
Bash
PowerShell
Groovy
Linux (Ubuntu, CentOS, RHEL)
Windows Server
Active Directory
Networking (CCNA)
Citrix XenServer

Professional Experience

A track record of engineering reliability and performance across diverse technological landscapes.

Sep 2024 – Present

Senior DevOps Engineer

The LCF Group
  • 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.
Sep 2021 – Aug 2024

DevOps Engineer

TCGDigital
  • 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%.
Dec 2019 – Sep 2021

Cloud Architect

ABP eVenture Pvt Ltd (ABPweddings)
  • 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.
Apr 2018 – Nov 2019

Analyst IT Support / Cloud Architect

ABP Group
  • Configured SAMBA file servers and SVN repositories for version control.
  • Managed Citrix XenServer virtualization infrastructure.
  • Automated backups and operational scripts to improve reliability.
Feb 2010 – Mar 2018

System Engineer

Micro Lab
  • 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.

Multi-Account AWS Organization cloud infrastructure
Infrastructure
Multi-Account AWS Organization

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.

AWS OrganizationsTerraformIAMSCPsECS FargateAPI Gateway
Microservices Migration on ECS/EKS cloud infrastructure
Infrastructure
Microservices Migration on ECS/EKS

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.

DockerAmazon ECSEKSKubernetesTerraformGitHub Actions
Azure DevOps CI/CD Pipelines cloud infrastructure
Infrastructure
Azure DevOps CI/CD Pipelines

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.

Azure DevOpsYAML PipelinesDockerECS FargateAWS CognitoAuth0
Hybrid Cloud Infrastructure — ABPweddings cloud infrastructure
Infrastructure
Hybrid Cloud Infrastructure — ABPweddings

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.

AWSAzureEC2VPCCloudFrontALBLambdaJenkinsAnsible
Brookfield Renewable US — Grid Monitoring cloud infrastructure
Infrastructure
Brookfield Renewable US — Grid Monitoring

Mission-critical energy sector infrastructure management with real-time monitoring.

Real-time monitoring and alerting for grid-critical infrastructure components ensuring zero-downtime operations.

AzurePrometheusGrafanaAnsible
Encora — Global Enterprise Scaling cloud infrastructure
Infrastructure
Encora — Global Enterprise Scaling

Global enterprise infrastructure scaling for digital transformation with automated incident response.

Automated incident response and multi-region deployment orchestration for a globally distributed enterprise platform.

AWSRoute53JenkinsTerraformAnsible

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.

Location

West Bengal, India