David J. Casimir

IT Operations Specialist transitioning to Web Development

About Me

I am an IT professional with over 5 years of experience managing complex networks and systems. I am currently pivoting to web development, leveraging my deep understanding of Linux, Nginx, and cloud infrastructure to build secure, performant web applications.

Technical Skills

HTML5 / CSS3
Linux (Ubuntu)
Nginx Web Server
DNS & SSL
Networking
Windows Server
Active Directory
Troubleshooting

Projects

Vultr VPS Cloud Portfolio

Built and deployed a secure cloud web server from scratch.

Stack: Ubuntu 24.04 LTS • Nginx • Let's Encrypt SSL • HTML/CSS

  • Provisioned a cloud VPS instance and hardened security via UFW firewall.
  • Configured Nginx server blocks for custom domain routing.
  • Implemented automated HTTPS encryption using Certbot.

Professional Experience

Network Support Apr 2024 – Present
Brookfield Academy

Primary IT contact for 200+ staff. Upgraded legacy infrastructure (switches/servers) to improve reliability.

Network Technician Jul 2023 – Mar 2024
Voree IT Solutions

Configured Meraki switches and FortiGate firewalls for new acquisitions. Supported 15+ restaurant locations.

IT Support Specialist Mar 2019 – Jun 2023
I2M Solutions

Managed 500+ endpoints and trained interns. Maintained laptop inventory and internal knowledge base.

Contact

Email: davidcasimirbusiness@gmail.com

Location: Philadelphia, PA Area

Education: BS, IT Management - Bloomsburg University