Sanju Mathew

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About me

Professional Summary

I’m Sanju Mathew, a passionate technology enthusiast with refined expertise through self-directed learning and hands-on experience. I’m an AWS Certified Developer Associate and AWS Certified Solutions Architect Associate with hands-on experience designing, deploying, and managing cloud-native applications and services on AWS. My background in Linux system administration (Debian, Red Hat) has honed my automation, scripting, and security skills, enabling me to troubleshoot and maintain production environments efficiently.

Core Skills & Highlights:

  • Cloud Infrastructure (AWS): EC2, Lambda, VPC, S3, RDS, DynamoDB, IAM
  • DevOps & Automation: CI/CD using CodePipeline, CodeDeploy, CloudFormation, AWS SAM Framework
  • Containerisation: Docker, ECS, ECR, AWS Fargate
  • Linux Administration: Bash scripting, security hardening, and system troubleshooting
  • Networking Fundamentals: Firewalls, DNS, NAT, API Gateway, CIDR
  • Programming & Version Control: Python scripting, Git
  • Collaboration & Learning: Known for a strong work ethic, adaptability, and willingness to learn from the open-source community

I love exploring the power of open-source technologies, leveraging the expertise of vibrant communities, and sharing what I learn along the way. Whether automating workflows in Linux or architecting secure, scalable cloud solutions, I’m always looking to push the boundaries of what’s possible.

Professional Experience

Fine Art and Design Technology Technician

Camberwell College of Arts, University of the Arts London

August 2007 – Present

  • Managed and maintained Linux (Debian/Red Hat) systems and networked environments for lab equipment and technical workstations, ensuring 99.9% uptime.
  • Automated routine administrative tasks using bash scripting, improving efficiency and reducing manual inaccuracies.
  • Deployed and configured Docker containers for isolated application environments.
  • Provided technical support, troubleshooting, and system upgrades across Windows and Linux systems, improving performance and user experience.
  • Mentored students in digital tools and technology, fostering a collaborative and tech-driven learning environment.

Technical Projects

AWS CI/CD Pipeline for Serverless Application Deployment

  • Designed and implemented a CI/CD pipeline using AWS CodeCommit, CodePipeline, CodeDeploy, and Lambda to automatically deploy a serverless web application.
  • Utilised AWS SAM Framework and CloudFormation for infrastructure as code, enabling reproducible and version-controlled deployments.
  • Configured monitoring and alerting via AWS CloudWatch to ensure real-time visibility into system performance and issues.

Dockerized Web Application with AWS ECS and Fargate

  • Containerised a Python-based web application using Docker and deployed it on AWS ECS with Fargate, eliminating the need for server management.
  • Set up networking with custom VPCS, subnets, security groups, and load balancing using AWS ALB to improve application availability and security.
  • Integrated logging and metrics collection via AWS CloudWatch Logs for real-time performance analysis.

Linux Automation and Security Hardening

  • Wrote bash scripts for system updates, user account management, and log analysis, reducing administrative overhead and improving system security.
  • Implemented firewall rules, SSH key-based authentication, and system monitoring tools to harden Linux servers against vulnerabilities.

Cloud Storage & File Sharing

  • Set up Nextcloud as a private cloud storage solution with SSL encryption, user access controls, and calendar/file sync across devices.
  • Integrated external storage (S3-compatible) for backups and redundancy.

Container Management

  • Hosted multiple services using Docker Compose, including databases (Postgresql, Mysql), monitoring tools (Prometheus, Grafana), and web servers (Nginx, Apache).
  • Managed persistent volumes, environment variables, and service health checks for reliability.

Media & Utility Services

  • Deployed Portainer for managing Docker containers via a web UI.
  • Self-hosted Uptime Kuma is used to monitor service uptime with custom alerts.
  • Set up Jellyfin as a media server with remote access via VPN.

Security & Access

  • Implemented SSL certificates via Let’s Encrypt and reverse proxies (Nginx, Traefik) for secure web access to homelab services.
  • Configured Openvpn and WireGuard for secure remote access to the homelab network.

Certifications

CompTIA Linux+ ce Certification

CompTIA

AWS Certified Solutions Architect – Associate

Amazon Web Services (AWS)

AWS Certified Developer – Associate

Amazon Web Services (AWS)

AWS Certified Cloud Practitioner

Amazon Web Services (AWS)