Welcome to NetworkTim

Hi, I'm Timothy Udumula — Field Technician and Cybersecurity Enthusiast

Email: mtsu777@yahoo.com

GitHub: github.com/timothyudumula7

Experience Timeline

Lookout Mountain Technologies, Chattanooga, TN

Field Technician Intern (Mar 2025 – Jun 2025)

  • Resolved hardware/software tickets onsite and remotely.
  • Configured routers, firewalls, DHCP, DNS, and TCP/IP.
  • Built NAS and used PXE for imaging systems.
  • Documented troubleshooting steps for future use.
  • Deployed long-range routers with cabling and NAT/firewall settings.

METMOX, Hyderabad, India

SOC Intern (Jan 2023 – Mar 2023)

  • Built enterprise-like lab using Windows Server 2022 and Linux.
  • Managed AD, GPO, Exchange, Intune, Entra ID.
  • Used Bash scripting to automate log reviews and user tasks.
  • Followed NIST CSF security framework.

Education

University of Maryland, Baltimore
M.S. in Cyber Security | 2023 – 2025

KL University, India
B.Tech in Electronics and Communications Engineering | 2018 – 2022

Projects

Pi-hole DNS Server (Residential Implementation): Configured a Linux-based DNS filtering server on Raspberry Pi with ACL/firewall rules for ad-blocking and content filtering; deployed in residential homes.

Server & Network Deployment: Built and maintained Ubuntu and Windows servers, configured NAS, and implemented static and dynamic addressing for reliable access.

Network Simulation Lab: Designed a multi-office network topology using VLANs, STP, and ACLs across Cisco routers and switches to simulate enterprise segmentation.

HomeLab Infrastructure Project: Built a full home lab with Dell servers, Cisco switches/routers. Simulated Windows Server 2022, practiced virtualization, PXE-based image deployment, configured AD & IAM, integrated ticketing systems, resolved network/hardware issues, and used Medicat for malware removal and profile troubleshooting.

Certifications