Lead Instructor & Founder
Former Fortinet TAC Engineer • 10+ Years Industry Experience
Having worked on critical security incidents at enterprise scale, Kelum brings real-world insights to every training session. His teaching approach combines theoretical knowledge with practical, lab-based exercises that prepare students for the demands of modern cybersecurity operations.
Technical Expertise
Professional Journey
10+ years building enterprise network security expertise across Sri Lanka & Qatar
Enterprise Network Security Architect
- Designing, implementing, and managing secure network infrastructures and firewalls
- Delivering cybersecurity solutions to protect organizations from advanced cyber threats
- Ensuring secure business operations through comprehensive security architecture
Manager – Network and Security
- Provided technical leadership, guidance, and direction to the Network Security team
- Designed and implemented Network, Security & Cyber Security solutions including firewall deployment
Assistant Manager – Network and Security
- Provided technical leadership and direction to the Network Security team
- Designed and implemented network and security solutions including firewall configuration
Senior Network Security Engineer
- Configured FortiGate firewall, FortiAnalyzer, FortiManager, Sophos firewall
- Designed, implemented, and maintained network security infrastructure
Network Security Engineer
- Implementation and troubleshooting: FortiAnalyzer, FortiManager, FortiEMS, FortiGate, Palo Alto, Sophos firewall
Network Engineer
- Maintained, upgraded, and provided solutions to network security and wireless problems
- Proficiency in TCP/IP, DNS, DHCP, VPN, OSPF, VLANs, BGP and routing protocols
- Configured Aruba LANs and wireless networks including edge switches and wireless controllers
- Configured and managed Fortinet products: FortiGate, FortiAnalyzer, FortiManager, FortiEMS
Security Engineer (Fortinet TAC)
- Provided timely and effective technical support to Fortinet customers
- Configured and managed Fortinet products: FortiGate firewalls, FortiAnalyzer, FortiManager, FortiEMS
IT Executive
Academic Background
MSc in Cyber Security
Wolverhampton University
BEng (Hons) Computer Networks
London Metropolitan University (ESOFT)
Industry Certifications
13 industry-recognized certifications across Fortinet, Cisco, Palo Alto & Microsoft
Fortinet Certified Solution Specialist – SASE
Palo Alto PCNSE – Network Security Engineer
NSE 7 Network Security Architect
NSE 7 SD-WAN Architect
Fortinet Certified Solution Specialist – Network Security
NSE 5 FortiAnalyzer 7.2 Analyst
CCNP ENCOR (350-401)
Sophos Certified Engineer (Firewall)
Fortinet NSE4 Network Security Professional
Cisco CCNA R&S 100-125
Microsoft MCSE
Microsoft MCSA
Methodology
Live Interactive Sessions
Real-time demonstrations, Q&A, and screen sharing in every class
Hands-On Labs
Enterprise-grade virtual environments mirroring production networks
Real-World Case Studies
Incident response scenarios drawn from actual enterprise engagements
Certification-Focused
Structured preparation with practice exams and exam tips
Personal Mentoring
One-on-one career guidance and resume building support
Recorded Sessions
All sessions recorded for self-paced review anytime