Enterprise Network & Security Consulting LAN / WLAN Expertise
Helping organizations build secure, scalable, and high-performance networks
Brussels, Belgium
On-site & remote consulting
Hello 👋 I'm Haroon Popalzai
An independent Network & Security Consultant LAN & WLAN Expert supporting enterprises, public institutions, and service providers in designing, migrating, and operating reliable networks.
WLAN Expertise
Specializing in high-density Wi-Fi environments, predictive designs, and performance optimization.
Network Architecture
Designing scalable, secure LAN/WLAN infrastructures with Cisco, Meraki, and Aruba technologies.
Security Focus
Implementing robust security measures including NAC, VPNs, and SD-WAN solutions.
How I Help My Clients
Consulting Services
- Enterprise Wi-Fi design & optimization
- LAN/WLAN migrations to modern architectures
- Cisco Catalyst, Cisco Meraki, Aruba Networks and SD-WAN implementations
- Multi-site network standardization
- Public-sector & large-scale deployments
- Independent audits & Wi-Fi verification
Focus Areas
WLAN Architecture
Predictive & on-site Wi-Fi design, high-density optimization, RF troubleshooting, and secure access solutions.
LAN & Campus Networks
Cisco Catalyst, Aruba Switching, and scalable campus designs with redundancy.
Security & SD-WAN
Meraki firewalls, client VPNs, Aruba ClearPass, Palo Alto and Fortinet integration.
Technologies & Credentials
Technologies & Core Skills
Credentials
- Bachelor in Computer Engineering & Network Administration
- Ekahau Pro AI – Wi-Fi Design & Site Survey
- Aruba Certified Mobility Professional - Campus Access
- Cisco Meraki Solutions Expert
- Silver Peak SD-WAN
- CCNP Switching & Routing
Let's Work Together
If you're looking for a freelance network & Security consultant who understands complex environments and delivers clean, scalable solutions, let's talk.
