Networks & Security
Cisco ASA/FirePower, Fortinet, Sophos, IPS, VPNs — design to protect and monitor.
Hi, I’m Niraj.
ICT Professional — Network & Security • Cloud & Systems • Problem solver
I specialise in designing and maintaining secure, scalable IT infrastructures for both private and government organisations. My work focuses on reducing downtime, improving backup efficiency, and delivering reliable solutions using multi-vendor networking, virtualization and cloud technologies.
Cloud & Virtualisation
VMware (vSphere), Citrix XenCenter, Microsoft 365 — cost reduction and backup improvements.
Systems & Telephony
Datacenter ops (Tier 2 SLA), IP telephony (Cisco & Avaya), large-scale system maintenance.
Latest research
Machine learning for threat detection and adversarial robustness in cybersecurity.
Read more →Blog
Guides, lab notes and practical tutorials about networking, virtualization and security.
Read posts →Projects
VPN system for remote workers — final year project using OpenVPN and CI/CD for deployment.
Project details →