Available for new opportunities

Hi, I'm
Arunachalam Sathiyamoorthy

Cloud & Linux Engineer specializing in Oracle Cloud (OCI), AWS, and database automation. I help teams run business-critical workloads with reliable infrastructure, clean automation, and strong observability.

Profile photo of Cloud Engineer Arunachalam Sathiyamoorthy

About Me

I’m a hands-on Cloud & Linux Engineer with experience managing production servers for a large media organization. My day-to-day work includes provisioning infrastructure on OCI and AWS, designing backup and recovery strategies, and keeping Linux servers healthy, secure, and monitored.

I enjoy solving practical operations problems: slow databases, growing disk usage, failing services, and “it worked yesterday” issues. My approach is to combine strong fundamentals (Linux internals, networking, databases) with automation using Bash, Python, and containerization tools like Docker and Docker Compose.

Outside of work, I actively learn new technologies around DevOps, observability, and cloud-native design. I document my experiments and mini-projects so that I can reuse them and help others in the team move faster.

Quick Snapshot

  • Location: Chennai, India
  • Current role: Linux/Cloud Engineer
  • Experience: Production Linux, OCI & AWS, MySQL/MongoDB
  • Focus areas: High availability, backups, monitoring, automation

Key Technologies

OCI AWS Ubuntu / Oracle Linux MySQL / MariaDB MongoDB Docker Zabbix Bash / Python

Technical Expertise

Cloud Platforms

Oracle Cloud (OCI) AWS (EC2, S3, VPC)

Operating Systems

Ubuntu CentOS Oracle Linux

Databases

MySQL / MariaDB MongoDB Replication & HA

DevOps & Tools

Docker & Compose Bash / Python Zabbix / ELK

What I Can Help With

I focus on practical, production-ready engineering: keeping systems online, secure, and observable while reducing manual work using automation.

Cloud Infrastructure

Designing and maintaining infrastructure on OCI and AWS, including compute instances, networking, security groups, and storage for high-availability applications.

  • • OCI and AWS environment setup
  • • VPC, subnets, routing and security groups
  • • Lift-and-shift of on-prem workloads

Linux & Databases

Hardening, tuning, and troubleshooting Linux servers with MySQL/MariaDB and MongoDB for editorial and business systems.

  • • MySQL/MariaDB replication & backups
  • • MongoDB deployment & maintenance
  • • Performance and uptime improvements

Monitoring & Automation

Building reliable automation and observability with Bash/Python, Docker, Zabbix, and logging stacks to detect issues early.

  • • Automated backup and cleanup scripts
  • • Zabbix alerts for DB and system health
  • • Containerized services using Docker

Professional Experience

Junior Engineer (Linux/Cloud Engineer)

Apr 2024 - Present

The Hindu Group of Publications

  • Managed and optimized Linux servers (Ubuntu, Oracle Linux) across OCI infrastructure.
  • Implemented MySQL/MongoDB replication for high availability and disaster recovery.
  • Automated backups using Bash/Python scripts with monitoring and reporting.
  • Enhanced security via server hardening, firewall configuration, and access control.

IT Technician (ServiceDesk)

Jun 2023 - Apr 2024

The Hindu Group of Publications

  • Provided L1/L2 technical support for end-users, resolving hardware, software, network, and application issues within SLA.
  • Managed user accounts, permissions, and access provisioning in Active Directory, Office 365, and other enterprise tools.
  • Logged, tracked, and resolved tickets using ITSM tools (itop) with a high first-call resolution rate.

Featured Projects

A selection of real-world work where I’ve designed infrastructure, implemented automation, and set up monitoring for production services.

Dockerized IT Asset Management

Deployed GLPI and MariaDB on Oracle Cloud Infrastructure using Docker Compose. The stack supports helpdesk workflows, asset tracking, and service requests for internal teams.

I designed the container layout, persistent volumes and backup routines, and tuned the database for predictable performance under peak usage.

Docker OCI MariaDB

Automated MySQL Backup

Built a robust backup framework using Bash. The solution creates timestamped database dumps, compresses and rotates them, and integrates with monitoring for success/failure alerts.

This reduced manual backup effort and made restore testing easier across multiple MySQL and MariaDB instances.

Bash MySQL Automation

Critical Monitoring

Implemented Zabbix monitoring for Linux and database servers, including custom triggers for replication lag, disk usage, and service health checks.

These alerts enabled earlier detection of issues and reduced downtime for key editorial and content systems.

Zabbix Monitoring Performance

Certifications

Oracle Cloud Infrastructure (OCI)

Foundations Certified

Google IT Support Professional

Google

Google Project Management

Google

Education

Bachelor of Engineering (B.E.)

Computer Science

Rathinam Technical Campus, Coimbatore
2017 - 2021

Frequently Asked Questions

A few quick answers about how I work and the kind of roles I’m interested in.

What kind of roles are you looking for? +

I’m interested in roles related to Cloud Engineering, Linux System Administration, DevOps, or Site Reliability Engineering, where I can manage production infrastructure and contribute to automation and observability.

Which technologies do you use day to day? +

On a typical day I work with Linux (Ubuntu, Oracle Linux), MySQL/MariaDB, MongoDB, Docker, OCI and AWS services, along with Bash and Python for automation and Zabbix for monitoring.

Can you help migrate workloads to the cloud? +

Yes. I have experience moving on-premise applications and databases to OCI and AWS, planning cutovers, and setting up backups, monitoring, and rollback plans to keep downtime low.

Do you write automation and tooling yourself? +

I regularly write Bash and Python scripts for backup, cleanup, service checks, and deployment workflows. I prefer small, well-documented tools that other team members can easily maintain.

How can I contact you for opportunities? +

The easiest way is to email me at arunachalams204@gmail.com. You can also reach out via LinkedIn for professional collaborations.

Let's Connect

I'm always open to discussing cloud infrastructure, DevOps challenges, or new opportunities.