~/najeeb.uk $ whoami
Najeeb Mohammad
Customer Reliability Engineer · Network Security · DDoS Defence · Cloud Security
When in doubt, go back to the packets.
Building and securing networks since 2008, from enterprise data centres in Oman to the global edge. Most of what I know came from things going wrong at inconvenient times.
CloudflareDDoS MitigationBGPZero TrustCCIE SecurityCISSPPython
Current role Customer Reliability Engineer Cloudflare · London
Experience Since 2008 Networks, Security, Cloud
Top credential CISSP #663984 CCSP · GCP Architect · CCIE Security
// 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 hard infrastructure problems.
Open to conversations about hard network problems, career questions, or working together.