🚀 AWS Certified DevOps Engineer | AWS Cloud | Docker | CI/CD | Monitoring | Automation

Welcome to my GitHub profile! I'm a passionate DevOps Engineer with 3 years of experience. I specialize in cloud infrastructure, containerization, automation, monitoring, and deployment pipelines, delivering reliable and scalable DevOps solutions in both cloud and self-hosted environments.

• AWS (Certified Cloud Practitioner): EC2, VPC, RDS (SQL Server, MySQL), ECS, Fargate, S3, IAM, Route53, CloudWatch, CloudTrail, Workspaces, ElastiCache, Secrets Manager
• GCP: Automated deployments using GitHub Actions
• Experience in cost optimization by analyzing usage reports and optimizing resources (EBS, EC2, storage, etc.)
• Azure to AWS migration including network and service architecture redesign

• Designed and migrated hybrid infrastructure (on-prem and Azure) to AWS
• Worked on networking components: subnets, VPC peering, NAT gateways, route tables, DNS (Route53, Cloudflare)
• Managed remote connectivity with WireGuard, TailScale, and OpenVPN
• Implemented secure access and DR strategies using S3, Glacier, and IAM policies

• Docker and Docker Compose for app packaging and environment isolation
• Created optimized Dockerfiles for Node.js, React, Python, and open-source tools
• Deployed apps using GitLab CI (self-hosted) and GitHub Actions
• Worked with Nginx Proxy Manager, Let's Encrypt, and Cloudflare DNS for multi-domain hosting via Docker
• Nginx stream module for secure remote RDP access

• Implemented pipelines with GitLab CI (self-hosted) and GitHub Actions
• Automated deployments to AWS and GCP.
• Prior Experience with Jenkins as well.

• Used Shell and Python scripts for backups, deployments, and monitoring
• Integrated API-based workflows (e.g., AWS, Datadog, Cloudflare) for automated alerts and syncs
• Configured Microsoft Power Automate to extract filtered alerts from Microsoft Teams into Excel for analysing them using pivots.
• Maintained RCA documents, ticketing with Azure Boards, and SOPs/wiki pages.

• Monitored 400+ servers and 150+ URLs (including US Gov sites) using Datadog
• Set up Docker-based stacks: Grafana + Prometheus, Node Exporter, cAdvisor,
• Set up live logs visibility for team using self hosted tool Dozzle
• Automated dashboards and alerts; used Power Automate to send health reports to Excel/Teams.
• Monitored Kubernetes clusters, Nodes and Pods with Datadog’s K8s Overview

• MySQL, PostgreSQL, SQL Server, MongoDB on Docker and AWS RDS
• Set up FTP servers, automated backups using scripts
• Managed secrets securely with AWS Secrets Manager

Beyond work, I actively manage a Homelab server for testing and learning using various open-source tools. Notable setups include:

• ✅ Deployed OpenWRT on Raspberry Pi to use it as a subnet router
• 🔗 Integrated Tailscale VPN Mesh to securely connect multiple remote subnets
• 🔐 Deployed self-hosted WireGuard VPN server for secure remote access
• 🌐 Hosted multiple web applications using Docker and Nginx Proxy Manager
• 📡 Connected domains with Cloudflare DNS and configured SSL with Let's Encrypt
• 💾 Remote backup system combining FTP, MySQL, and scripting
• ⚙️ Previously worked with aaPanel and WHM/cPanel for Linux hosting

1. ALCARINC – AWS Workspace Setup

   • Created secure AWS Workspaces environment with custom AD, security, backups, and performance monitoring

2. GYMTIME – CI/CD Pipeline

   • Built GitLab CI pipeline with Docker, AWS ECR & Fargate for zero-downtime deploys.

3. AVERISOURCE – Azure to AWS Migration

   • Migrated infra, set up VPN via Transit Gateway, integrated Azure Entra ID, used S3 + Rclone + Filestash.

4. OPEXUS TECH – Monitoring & Support

   • Supported 400+ servers, 150+ US Govt. Sites monitoring and DevOps Support, Datadog dashboards, WireGuard VPN access, K8s pod/node monitoring.

• Built & managed CI/CD pipelines automating cloud deployments
• Delivered full-stack containerized solutions in Node.js, Python, and React
• Handled critical monitoring for 150+ high-availability government endpoints
• Created modular and secure Docker-based environments for multiple clients
• Delivered end-to-end DevOps automation from build to monitoring and recovery

• Cloud: AWS (Certified), GCP, Azure
• DevOps: Docker, Docker Compose, Kubernetes, GitHub Actions, GitLab CI, Jenkins
• Monitoring: Datadog, Prometheus, Grafana, CloudWatch, cAdvisor, Dozzle
• Networking: OpenVPN, WireGuard, TailScale, Cloudflare, Route53
• Scripting: Shell, Python, Power Automate
• Databases: MySQL, PostgreSQL, SQL Server, MongoDB
• Version Control: Git, GitHub, GitLab
• Virtualization: VMware, VirtualBox, QEMU, Proxmox etc.
• Security & Secrets: IAM, Secrets Manager, VPN, SSL, Firewall

• Kubernetes for orchestration
• Terraform for infrastructure as code
• Multi-cloud deployment strategies
• Zero-trust networking and advanced VPN configurations

I'm open to collaboration, freelance, or full-time opportunities related to cloud, automation, and DevOps tooling.

• Email: [email protected]
• LinkedIn: linkedin.com/in/varunguptag
• 💻 GitHub: You're here check out my pinned repos!

In my free time, I enjoy building and managing self-hosted solutions on Raspberry Pi, testing network configurations, and automating everyday DevOps tasks with custom scripting.

Thanks for visiting! 😊