Kabul Polytechnic University
Bachelor in Computer Science (Network Engineering)
Sep 2022 – Aug 2026
Key Coursework: Advanced Computer Networks, Web Development (HTML, CSS), Programming (C++, Java), and MS Office Suite.
Personal profile
Rohullah Ahmadi
Information Technology Security Specialist
Dedicated and results-driven Network and IT Security Engineer with over 1.5 years of experience spanning enterprise IT infrastructure and government network security engineering. Holds a Bachelor's degree in Computer Science from Kabul Polytechnic University alongside advanced Cisco credentials (CCNA, CCNP). Possesses proven expertise in Defense-in-Depth architecture, OPNsense firewalls, and Suricata IDS/IPS threat mitigation. Skilled in network troubleshooting, access control, data backup protocols, and deploying scalable, high-security systems.
Career
Experience
Network Engineer · Shamshad Asia Construction and Road Building Company
Kabul, Afghanistan
- Configured, deployed, and maintained office computers, printers, and internet equipment across administrative offices and project sites. Resolved daily technical issues related to local area networks (LAN), computer systems, and IT infrastructure. Managed critical file systems and implemented regular, secure backup protocols for administrative documents, financial records, and technical engineering maps. Monitored, controlled, and regulated employee access permissions to the internal corporate network and office internet.
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.
Network Security Intern · Ministry of Telecommunications and Information Technology (MCIT)
Kabul, Afghanistan
- Designed a Cisco lab architecture and deployed a multi-layer Defense-in-Depth security model using OPNsense and Suricata IDS/IPS.
- Simulated L3–L7 cyber threats to evaluate and execute practical mitigation techniques for enterprise networks.
- Managed core IT operations, including daily network administration, infrastructure monitoring, and connectivity troubleshooting.
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.
Kateb University (2024)
Diploma in English Language (DEL)
Habibia High School
High School Diploma, General Science
Mar 2009 – Sep 2021
Toolkit
Skills
- • Network Infrastructure (Advanced): CCNA, CCNP, Network+, OSPF, BGP, VLAN, STP, IPv4/IPv6
- • Cybersecurity & SOC (Advanced): OPNsense, Suricata IDS/IPS, IPsec VPN, Defense-in-Depth
- • System Administration (Intermediate/Advanced): Windows Server 2016 (AD, DNS, DHCP), Linux (Kali, Ubuntu)
- • Virtualization & Simulation (Advanced): EVE-NG, VMware Workstation, Network Topology Design
- • Software & Web Dev (Intermediate): HTML, CSS, JavaScript, C++, Java, Database (SQL)
- • IT Tech Support (Advanced): Hardware/Software Maintenance, Network Troubleshooting, Wireshark
- • Productivity Tools (Proficient): Microsoft Office Suite (Word, Excel, PowerPoint), Tech Reporting
Languages
Languages
- PashtoNative or bilingual proficiency
- DariNative or bilingual proficiency
- EnglishProfessional working proficiency
Let's talk
Contact
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