~/najeeb.uk $ whoami
Najeeb Mohammad
Customer Reliability Engineer · Network Security · DDoS Defence · Cloud Security
"When something breaks at internet scale, I'm the person customers call."
18 years building, securing, and keeping networks alive — from enterprise data centres in Oman to Cloudflare's global edge. I've seen attacks, failures, and outages that most engineers only read about.
CloudflareDDoS MitigationBGPZero TrustCCIE SecurityCISSPPython
Current role Customer Reliability Engineer Cloudflare · London
Experience 18 years Networks, Security, Cloud
Top credential CCIE Security #60302 CISSP · CCSP · GCP Architect
// what i do
Core Expertise
DDoS Mitigation L3 / L4 / L7 — real-time traffic analysis, Magic Transit, WAF, rate-limiting
Expert Customer Reliability SRE principles, SLO definition, incident leadership, post-mortems
Expert Network Architecture BGP, GRE, HLD/LLD, routing protocols, enterprise design
Expert Cloud Security AWS, Azure, GCP, Cloudflare — Zero Trust / SASE
Expert Firewall Engineering Palo Alto, Fortinet, Juniper, Cisco — NGFW, deep packet inspection
Expert Observability & Monitoring Prometheus, Grafana, Jaeger, Kibana — distributed tracing
Advanced SIEM & SecOps IBM QRadar, Guardium — threat detection, log analysis
Advanced Automation & Tooling Python — workflow automation, scripting
Intermediate // writing
Recent Posts
Notes on reliability engineering, network security, and building at scale.
// get in touch
Let's talk reliability, security, or Cloudflare's edge.
Open to conversations about hard network problems, career questions, or working together.