Kabul Polytechnic University
Bachelor in computer science, Network Engineering
Sep 2022 – Aug 2026
Personal profile
Rohullah Ahmadi
Information Technology Security Specialist
Highly motivated Network and Security Engineer with a Bachelor's degree in Computer Science and advanced training in Cisco infrastructure (CCNA & CCNP). Demonstrated success in designing Defense-in-Depth architectures, configuring OPNsense firewalls, and deploying Suricata IDS/IPS to mitigate enterprise-level threats. Brings hands-on experience in IT support and network administration from the Ministry of Telecommunications (MCIT). Adept at troubleshooting complex network topologies and building secure, scalable systems.
Career
Experience
Network Security Intern · Ministry of Telecommunications and Information Technology (MCIT)
Kabul, Afghanistan
- Proposed and designed a comprehensive Cisco Lab architecture to enhance practical network simulation, routing, and switching infrastructure.
- Successfully developed and presented a specialized network security model (Monograph Project), deploying a multi-layer Defense-in-Depth strategy using OPNsense and Suricata IDS/IPS.
- Simulated and analyzed network vulnerabilities against L3-L7 threats, demonstrating practical mitigation techniques for enterprise-level networks.
- Supported the core IT department with daily network administration, infrastructure monitoring, and resolving technical connectivity issues.
Network Security Project Lead · Kabul Polytechnic University
Kabul, Afghanistan
- Designed and deployed a multi-layer (Defense-in-Depth) network security architecture using OPNsense Firewall and Suricata IDS/IPS in EVE-NG.
- Wrote custom User-Defined Suricata rules to detect and automatically mitigate SYN Flood, IP Spoofing, Slowloris, Skipfish, DirBuster, and Rogue SSH attacks.
- Evaluated network defense performance across Baseline, IDS (Alert), and IPS (Drop) modes, achieving 100% attack blocking efficiency.
Learning
Education
Top In Town Target Training Center
Professional Training in Network Engineering (CCNA & CCNP)
Jul 2024 – May 2025
• Completed comprehensive hands-on training covering CompTIA Network+, Cisco CCNA Routing & Switching, and CCNP Enterprise curriculum. • Practical experience in configuring Cisco routers/switches, OSPF, BGP, VLANs, STP, and troubleshooting enterprise network topologies.
Diploma in English Language (DEL)
Kateb University DEL department in Kabul (2024)
Habibia High School
High School Diploma, General Science
Mar 2009 – Sep 2021
Toolkit
Skills
- Cisco Routing &Switching
- CCNA
- CCNP Enterprise
- CompTIA Network+
- OSPF & BGP Protocols
- VLANs & STP
- Network Troubleshooting
- OPNsense Firewall
- Suricata IDS/IPS
- Network Security
- Defense-in-Depth Strategy
- EVE-NG Simulation
- Kali Linux
- Linux(Ubuntu)
- TCP/IP
Languages
Languages
- PashtoNative or bilingual proficiency
- DariNative or bilingual proficiency
- EnglishProfessional working proficiency
Let's talk
Contact
Want to work with Rohullah Ahmadi? Reach out directly or download the CV.