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arpithaoncloud9/README.md

☁️ Maria Arpitha Sagayam | Cloud Infrastructure Engineer

“Engineering the sky—from concept to cloud, deployment to delivery.”

Hi, I'm Maria Arpitha — a Cloud Engineer with 5+ years of AWS production experience, 7 certifications and hands-on projects built to production standards.

My background includes provisioning, automating, and managing AWS infrastructure using Terraform, building CI/CD pipelines with GitHub Actions, and designing secure multi‑AZ architectures. I gained real production experience at a global EdTech SaaS company serving clients across the US, UK, and Southeast Asia, where I built AWS environments from scratch and supported mission‑critical workloads.

Based in Bristol, CT, I’m open to remote and hybrid roles. Fully authorized to work in the U.S. (H4 EAD — no sponsorship required).


🏅🏆 Certifications


🛠️ Tech Toolbox

  • Cloud Platforms: AWS (Primary) · Azure · GCP
  • IaC & Automation: Terraform
  • CI/CD Pipelines: GitHub Actions
  • Containers & Orchestration: Docker · Amazon ECS (Fargate) · Amazon EKS (Kubernetes)
  • Security: IAM · Secrets Manager · KMS · Security Groups
  • Monitoring & Observability: Amazon CloudWatch
  • Version Control Tools: Git · GitHub
  • Scripting: Bash · Pyhton
  • Operating Systems: Linux · Windows
  • AI Tools: GitHub Copilot · Claude Code

📈 Career Development

Hands-on Cloud Projects | Self-Directed | U.S. | Mar 2024 – Present

  • Fully authorized to work in the U.S. (H4 EAD — no sponsorship required). Following relocation to the U.S., dedicated this period to earning 7 cloud certifications across AWS, GCP, and Azure, and building production‑equivalent cloud projects to stay technically current and market‑ready..
  1. AWS 3-Tier Production Project - Terraform · Docker · GitHub Actions · Kubernetes · CloudWatch

  • Provisioned a complete 3‑tier AWS architecture using Terraform (VPC, subnets, ALB, EKS, RDS MySQL, IAM) across multiple Availability Zones.
  • Built a GitHub Actions CI/CD pipeline: terraform plan on PR, terraform apply on merge, Docker build, ECR push, and automated kubectl rollout.
  • Containerized a Node.js application with Docker and pushed images to ECR using IAM role authentication (no stored credentials).
  • Migrated compute from EC2/ASG to EKS using Kubernetes Deployment, Service, and Secret for secure DB credential injection.
  • Implemented CloudWatch monitoring with metrics, alarms, log streams, and SNS alerting.
  1. Zero-Downtime Container Deployments — Docker · ECR · ECS Fargate · ALB · IAM · CloudWatch

  • Containerized a Node.js app and stored it in a private ECR repository with scan‑on‑push enabled.
  • Deployed on ECS Fargate behind an ALB across two Availability Zones with security group chaining and target group health checks.
  • Validated zero‑downtime rolling updates and automatic rollback using the ECS deployment circuit breaker.
  • Configured CloudWatch logging and IAM execution roles for secure operations.
  1. Secure Static Website — S3 · CloudFront · ACM · Route 53

  • Hosted a static website on a private S3 bucket served through CloudFront using Origin Access Control (no direct S3 public access).
  • Secured the distribution with an ACM SSL certificate.
  • Configured a custom domain using Route 53 with full HTTPS support.
  1. Serverless Credential Rotation — Lambda · Secrets Manager · EventBridge

  • Implemented scheduled credential rotation in Secrets Manager using a Python Lambda function triggered by EventBridge.
  • Eliminated manual rotation and reduced risk of stale credentials.
  • Applied least‑privilege IAM policies with no standing access to secrets.

👩‍💻 Professionl Experience

Configuration Management Engineer — AWS Cloud Infrastructure

🏢 Excelsoft Technologies Pvt. Ltd · Mysore, India · Jul 2021 – Feb 2023

  • Provisioned and managed production‑grade AWS environments (CAT, UAT, Production) using Terraform for EC2, VPC, subnets, ALB, ASG, RDS MySQL, S3, IAM, and CloudWatch.
  • Designed and deployed a 3‑tier architecture — ALB (presentation), EC2 in private subnets (application), RDS MySQL (database) — with full network isolation using security groups and NACLs.
  • Developed reusable Terraform modules for networking, compute, and database layers, fully parameterized and version‑controlled in GitHub.
  • Created and maintained pre‑configured AMIs to ensure consistent EC2 deployments and eliminate configuration drift across environments.
  • Automated EC2 provisioning using Bash‑based user data scripts for instance initialization and configuration.
  • Enforced least‑privilege IAM by managing roles, users, policies, and resource‑level permissions across EC2, RDS, and S3.
  • Configured CloudWatch metrics, alarms, and log groups to improve production visibility and enable early incident detection.
  • Collaborated with cross‑functional teams during production incidents to diagnose infrastructure failures, resolve environment misalignments, and implement preventive fixes.

Cloud Trainee — AWS

💻 Indian Institute of Hardware Technology Ltd (IIHT) · Bangalore, India · Jan 2018 – Jun 2021

  • Internal deployments — supported internal application deployments, environment setup, and cloud infrastructure tasks using core AWS services.
  • Real‑time project collaboration — worked closely with senior cloud architects and engineers on live project work, gaining hands-on experience in production workflows, troubleshooting, and cloud best practices.
  • Hands‑on AWS training — delivered practical training to multiple batches of junior engineers, with labs covering EC2, S3, IAM, VPC, RDS, and foundational cloud concepts.
  • GitHub version control — used GitHub for version control, maintaining training materials, lab guides, and internal project repositories.
  • Technical documentation — created onboarding guides, runbooks, and step‑by‑step lab documentation to accelerate team onboarding and improve operational efficiency.

🎓 Education

Bachelors of Engineering (BE), Information Science & Engineering (ISE)

JSS Academy of Technical Education (JSSATE) — Affiliated to VTU · Bangalore, India · 2017

Pinned Loading

  1. aws-3tier-infrastructure-terraform aws-3tier-infrastructure-terraform Public

    3-tier AWS infrastructure using Terraform — VPC, EC2, RDS MySQL with modular structure across compute, database, and network layers.

    HCL 1

  2. ecs-fargate-lab ecs-fargate-lab Public

    Containerized a Node.js app and deployed it on ECS Fargate behind an ALB across two Availability Zones; validated self-healing, zero-downtime rolling updates, and automatic rollback with the deploy…

    HCL 1

  3. aws-static-site-demo aws-static-site-demo Public

    Secure static website hosted on AWS S3 with CloudFront CDN, Origin Access Control (OAC), ACM SSL certificate, and Route 53 custom domain — no direct public S3 access.

    HTML 1

  4. lambda-secretsmanager-password-rotation lambda-secretsmanager-password-rotation Public

    Serverless credential rotation using AWS Lambda, Secrets Manager, and EventBridge — zero standing access, least-privilege IAM.

    Python 1