~$ whoami

Sunil Singh

Entry-level DevOps Engineer

Automating infrastructure, securing deployments, and building reliable CI/CD pipelines. Currently focused on AWS and mastering Linux system administration.

View Projects GitHub

sunil@devops:~$ systemctl status deployment

● deployment.service - Active and Running

sunil@devops:~$ aws s3 ls

2024-10-20 12:00:00 infrastructure-state

sunil@devops:~$ _

Professional Summary

I am an Entry-level DevOps Engineer with hands-on experience in CI/CD automation using GitHub Actions, Python scripting (Boto3), and Linux system administration in production environments.

Experienced in secrets management, IAM least-privilege access, and AWS cloud services. I am deeply passionate about build reliability, deployment consistency, and developer productivity.

Currently, I am preparing for the RHCSA certification to further validate and expand my Linux administration capabilities.

Linux Native
AWS Focused
CI/CD Automation

Key Skills & Tools

Linux Administration

  • User Management
  • Permissions
  • Process Monitoring
  • System Performance
  • Cron Jobs
  • Log Analysis

Programming / Scripting

  • Python (Boto3)
  • Bash Scripting
  • Automation

DevOps

  • CI/CD Pipelines
  • Git & GitHub
  • GitHub Actions
  • Docker Basics
  • Kubernetes Basics

Cloud (AWS)

  • EC2, S3, VPC
  • IAM, ALB, ASG
  • CloudWatch
  • CodeBuild
  • CodePipeline

Security

  • Secrets Management
  • IAM Least-Privilege
  • Security Groups
  • SSH Hardening

Networking

  • TCP/IP, DNS, DHCP
  • HTTP/HTTPS, SSH
  • Load Balancing
  • VPC

Professional Experience

Linux Support Engineer

Persistent Systems, Pune October 2024 – Present
  • Administer Linux environments handling user access management, file permissions, and system-level troubleshooting in production.
  • Perform daily system monitoring of CPU, memory, and disk utilization using top, vmstat, free, and df; document findings in shift runbooks.
  • Manage and access multiple Unix/Linux servers via SSH for operational support and issue resolution; enforce least-privilege access controls.
  • Troubleshoot access, performance, networking, and system configuration issues; write resolution steps in incident documentation.
  • Completed a 3-month in-depth training covering Networking (HTTP/HTTPS, TCP/UDP, SSH, subnetting, DNS, DHCP), Virtualization (VMware vCentre), and AWS services.

Featured Projects

CI/CD Pipeline using GitHub Actions

Built a multi-stage CI/CD pipeline using GitHub Actions with push/PR triggers on ubuntu-latest runners. Configured jobs for linting, testing, and deployment; used GitHub Secrets for credential management and produced build artifacts. Validated pipeline reliability across branches.

GitHub Actions CI/CD Ubuntu

AWS EC2 Health Check Automation

Automated EC2 instance health monitoring using Python and Boto3 across multiple instances, detecting stopped or impaired states and generating alert reports. Applied IAM least-privilege policies to restrict script access to read-only EC2 permissions.

Python Boto3 AWS EC2 IAM

Linux CPU Monitoring Automation

Developed a Bash script using top and ps to monitor CPU usage, identify high-resource processes, and log alerts to a file — reducing manual monitoring effort during peak hours.

Bash Scripting Linux Automation

CI/CD Pipeline with AWS & Docker

Built a CI/CD pipeline using AWS CodePipeline and CodeBuild to automate the build and deployment of a Dockerized application. Created a Docker image on Linux, pushed it to Amazon ECR, and configured pipeline stages. Utilized IAM roles with least-privilege access.

AWS CodePipeline Docker ECR

Education & Certifications

Education

Bachelor of Computer Applications

Savitribai Phule Pune University | Modern College, Shivajinagar

2024

Higher Secondary Certificate (12th) - CBSE Board

Jawahar Navodaya Vidyalaya, Reasi | Score: 87%

2020

Secondary School Certificate (10th) - CBSE Board

Jawahar Navodaya Vidyalaya, Reasi | Score: 71%

2018

Certifications

  • AWS Certified Cloud Practitioner (CLF-C02) Amazon Web Services
  • AWS with Python Symbiosis
  • Linux Unhatched Cisco Networking Academy
  • Microsoft Azure AI Fundamentals (AI-900) Microsoft
  • Java Full Stack Developer Symbiosis

Get In Touch

Ready to optimize your infrastructure?

I'm currently looking for new opportunities in DevOps and Cloud engineering. Whether you have a question or just want to say hi, I'll try my best to get back to you!