
Joel Angu
Technology / Internet
Services offered
I work in the field of Information Technology, specializing in network support and infrastructure operations. My background includes hands-on experience with hardware diagnostics, network configuration, and cybersecurity fundamentals. I’m CompTIA Network+ certified and trained in Security+, with practical lab experience through Cisco and CompTIA programs. In essence, I help ensure systems, users, and networks run securely and efficiently while providing excellent technical support and problem resolution.”
Experience
IT Support & Network Operations Trainee
Deployed and configured enterprise network topologies, including VLANs, trunking, and DHCP/DNS servers.
Implemented router and switch configurations using Cisco IOS commands, securing ports, and troubleshooting connectivity issues.
Conducted Wireshark packet analysis to identify ARP, DNS, and DHCP protocol behavior and resolve performance bottlenecks.
Configured wireless networks (SOHO & enterprise), enabling guest access, WPA3 encryption, and network segmentation.
Executed firewall rule configuration and network security hardening using pfSense and Linux-based tools.
Applied incident response techniques to mitigate simulated DDoS, spoofing, and rogue DHCP attacks.
Built and tested cloud-based virtual machines (VMs) to simulate remote network access and hybrid cloud connectivity.
Education
ASM Educational Center — Rockville, MD
CompTIA Network+ and Security+ Certification Training | Completed 2025
Intensive coursework and hands-on labs in network infrastructure, routing, and cybersecurity principles.
Prepared for CompTIA Network+ (N10-009) and Security+ certifications through practical simulations and performance-based learning.
Cisco Networking Academy
IT Essentials: PC Hardware and Software | Completed 2021
Comprehensive study of hardware configuration, operating systems, and PC troubleshooting fundamentals.
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