Response Engineer - CMDC
Core
Provide premium-level support and threat response for Cloudflare's security products to large, technically sophisticated customers facing attacks on their infrastructure.
Role type
Senior IC security response engineer (network security)
Builds
Mitigation strategies and actionable intelligence for email, application, and network threat surfaces
Domain
Cybersecurity, Network Security, DDoS Mitigation
Deliverable
client delivery
Required skills
OSI model (L3/L4/L7), TCP/UDP/BGP/QUIC, iptables, attack anomaly detection, Linux/Mac/Windows sysadmin, Bash shell, Python/Ruby/PHP/C/C#/Java/Perl, customer support experience
Preferred skills
CISSP, GCIA, GCIH, GCFA, GCFE, DDoS mitigation experience, Cloudflare tools (Magic Transit, WAF, Spectrum)
Technologies
Magic Transit, Network Firewall, WAF, Spectrum, Bot Management, Rate Limiting, iptables, Linux, Bash, Python, Ruby, PHP, C, C#, Java, Perl, Git
Responsibilities
Monitor and investigate security alerts to identify attacks; Configure and manage security monitoring rules; Compare traffic signatures (IPs, headers, JS footprints) to distinguish good vs. malicious traffic; Collaborate with Engineering and Operations to implement mitigations; Communicate with customers via chat, email, and phone; Create tracking tickets for incidents requiring escalation
Seniority
Mid-Senior, hands-on IC