DevOps EngineerCloud, System & Network Specialist

I build resilient, scalable, and automated systems. With hands-on experience in system administration, networking, and AWS cloud services, I bridge the gap between infrastructure and smooth operational workflows.

Nandhakumar S
Who I am & What I do

About Me

I am a passionate DevOps & System Engineer focused on bridging the gap between development and operations. My primary goal is to become a leading Cloud & DevOps Engineer by building resilient, scalable, and automated systems.

Currently, I am heavily focused on upskilling in Kubernetes, Terraform, and advanced CI/CD pipelines to architect production-ready cloud environments.

Licenses & Certifications

  • SOC 2 - (CISCO)
  • Computer Networks & Cloud Essentials - (CISCO & AWS)
  • HIPAA Compliance: A Complete Guide - (ALISON)
  • Full Stack Development Using Python - (GUVI)
  • Installation & Servicing of CCTV Cameras - (Govt of India)
  • DevOps Engineering - In Progress (GUVI)
My Journey

Experience & Education

Implementation Engineer (DevOps)

Keel Xpert Technology, Chennai
Jan 2026 - Present

Hosting front-end and back-end applications on AWS using Docker containers. Implementing CI/CD pipelines, automating infrastructure deployment, and ensuring system reliability.

Desktop Support Engineer

Necurity Solutions Network Security Private Ltd, Chennai
Apr 2025 - Dec 2025

Performed OS installation, system configuration, and hardware troubleshooting. Managed routers, switches, and VPN connectivity. Implemented basic security practices to prevent unauthorized access.

System Administrator

KLM SOLUTIONS, Erode
Aug 2024 - Mar 2025

Provided L1/L2 technical support for desktops, laptops, printers, and network devices. Installed and maintained Windows OS, applications, and security updates. Troubleshot LAN connectivity, DNS/DHCP issues, and VPN access.

Freelance Network & System Support

Self-Employed, Erode
2018 - 2024 (During Diploma & B.Tech)

Assisted small businesses and residential clients with basic network setup and troubleshooting. Performed system installation, cabling, and connectivity testing. Provided on-call technical support.

B.Tech Information Technology

Government College of Engineering, Erode
2021 - 2024

Graduated with a strong foundation in computer science, software engineering principles, networking, and system design.

Diploma in Computer Science Engineering

Al-Ameen Polytechnic College, Erode
2018 - 2021

Gained core fundamentals in computer science, programming basics, and networking concepts.

Technologies I work with

Technical Skills

Core Infrastructure

TCP/IPDNS/DHCPVPNRouting & SwitchingLinuxWindows OSHardware Troubleshooting

Cloud & DevOps

AWS (EC2, S3, VPC, IAM, CloudWatch)DockerGit & GitHubCI/CD ConceptsPython (Basics)Shell Scripting

Currently Learning

KubernetesJenkinsTerraformAdvanced Automation
Recent Work

Featured Projects

Chat-bot for Knowledge Base

Built a conversational AI chat-bot tailored for a knowledge base using Voiceflow. Integrated external logic to fetch relevant data and resolve user queries efficiently.

VoiceflowAI/NLPAPI Integration

Weather Prediction Dashboard

Developed an interactive weather prediction dashboard using Python. Fetched real-time data via Serp API and presented it through a responsive UI built with Streamlit.

PythonStreamlitSerp API

Real-time Network Setup

Designed and configured a real-time network topology. Implemented routing, switching protocols, and security policies to ensure robust communication.

NetworkingCiscoTCP/IP

Network Monitoring via Grafana

Set up a comprehensive monitoring solution. Created real-time dashboards to track network traffic, system performance, and application health.

GrafanaPrometheusLinux

Dockerized Web App on AWS EC2

Built and managed Docker images and containers. Deployed a sample web application using Docker on AWS EC2 instances, ensuring simplified scaling.

DockerAWS EC2Bash

AWS Static Website Hosting

Architected a highly available static website using Amazon S3 for storage and CloudFront for CDN context delivery, achieving low latency.

AWS S3CloudFrontIAM

Get In Touch

I am currently looking for new opportunities as a System/Network Engineer or entry-level DevOps Engineer. Whether you have a question or just want to collaborate on a project, I'll try my best to get back to you!