Hi, I'm John Emmanuel

DevOps Engineer

IT graduate specializing in full-stack development, DevOps, and AI-powered applications. I build scalable systems, automate deployments, and develop intelligent solutions for real-world problems.

Technologies I use

Experience

DevOps Engineer

Mara Linux and Business Solutions, Inc.

Part-time

April 2026 - Present

•Administers cPanel environments and manages email accounts across multiple client deployments, ensuring consistent uptime and reliable mail delivery.
•Manages remote server infrastructure via SSH, performing configuration, routine maintenance, and real-time troubleshooting across client environments.
•Provides technical support for email deliverability issues, diagnosing and resolving SMTP, DNS, and spam-filtering problems through cPanel's email management tools.
•Configured Laravel Forge deployment pipelines for client environments lacking a public IP address by integrating ngrok for secure external tunneling and webhook accessibility.
•Mitigated the “CopyFail” privilege escalation vulnerability across managed systems by applying security updates, patch management procedures, and system hardening practices to maintain infrastructure security.
•Developed a Python Flask-based camera proxy service to securely expose internal CCTV camera feeds without relying on VPN connectivity, improving remote accessibility and reducing deployment complexity.

DevOps Engineer Intern

Mara Linux and Business Solutions, Inc.

Internship

January 2026 - April 2026

•Automated CI/CD pipelines by authoring Jenkinsfiles and configuring GitHub Webhooks for automated server deployments.
•Managed local and production environments using Laravel Sail, Herd, and Docker for containerized application deployment.
•Implemented secure remote access and server management via ZeroTier and SSH protocols.
•Deployed and secured WordPress applications on AWS EC2, managing SSL/TLS certificates via Certbot and Cloudflare DNS.
•Conducted Web Application Firewall (WAF) testing and vulnerability assessments using BurpSuite, targeting XSS and SQL Injection.
•Optimized internal company workflows through rigorous QA testing and process automation.