Network Security Engineer
Confirmed live in the last 24 hours
Locations
Remote • United Kingdom
Experience Level
Entry
Junior
Mid
Senior
Expert
Desired Skills
Bash
Computer Networking
JavaScript
Git
MySQL
Postgres
SQL
Python
Nginx
Web Development
TCP/IP
Requirements
  • Self-driven and capable of learning new technologies / systems / features with little guidance
  • Fundamental understanding how the Internet works (OSI Model)
  • Advanced understanding of modern 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
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 the products and tools
Desired Qualifications
  • You are fluent in German, Japanese, French, Spanish, Portuguese, or Mandarin
  • You have worked with PostgreSQL, MySQL, MS SQL, and other database servers
  • You are familiar with Cloudflare and are actively using our platform
Cloudflare

1,001-5,000 employees

Web performance & security platform
Company Overview
Cloudflare's mission is to help build a better Internet. The company specializes in providing a content delivery network and DDoS mitigation services.
Benefits
  • Competitive salaries
  • Take-what-you-need paid vacation policy
  • Comprehensive health plans and benefits
  • Paid maternity and paternity leave
  • Commuter and ride share options
  • Returnships
Company Core Values
  • Be curious to learn and grow
  • Communicate clearly, directly, and transparently
  • Do the right thing
  • Embrace diversity to make Cloudflare better
  • Get your work across the finish line
  • Lead with empathy and assume good intentions