Hybrid Network Security Engineer

Posted 23 minutes ago

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About the role

  • Network Security Engineer supporting Cloudflare's sophisticated customers in resolving technical issues and mitigating attacks. Engaging with various Cloudflare products and collaborating with Engineering and Ops teams.

Responsibilities

  • Communicate with customers via chat, email, and phone
  • Compare traffic signatures and attributes including IP addresses, cookie variations, HTTP headers, and JavaScript footprints to determine what is good traffic and what is malicious
  • DDoS mitigation for OSI layers 3,4, & 7: advise customers on how to filter malicious traffic using Cloudflare tools like Magic Transit, Network Firewall, WAF, IP reputation lists, packet inspection, blocklisting, allowlisting, and rate limiting
  • Work with Engineering and Operations teams to mitigate attacks, suggest steps to mitigate, and apply the appropriate mitigation when applicable
  • Work with Engineering and Product teams to improve products and tools

Requirements

  • Fluent English speaker is a requirement
  • Minimum 3 years working within a Technical Support team solving various technical issues
  • Self-driven and capable of learning new technologies / systems / features with little guidance
  • Fundamental understanding how the Internet works (OSI Model)
  • Advanced understanding of internet protocols like TCP and UDP
  • Computer Networking fundamentals, experience with iptables and looking glass
  • Experience troubleshooting network connectivity issues, BGP routing, and GRE tunnels
  • Packet capture analysis
  • Experience in command line and tools, including curl, dig, traceroute, openssl, git
  • Experience troubleshooting DNS, SSL / TLS, HTTP
  • Experience in a web development and / or hosting environment such as installing and configuring web servers like Apache, Nginx, Caddy and IIS
  • Experience writing scripts in Bash, Python, JavaScript or other scripting language
  • Experience in working as part of a team in a customer-facing role

Benefits

  • Flexible work arrangements
  • Professional development opportunities
  • Paid time off

Job title

Network Security Engineer

Job type

Experience level

Mid levelSenior

Salary

Not specified

Degree requirement

No Education Requirement

Location requirements

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