Network Security Engineer
Posted on 3/20/2023
INACTIVE
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.
Locations
Austin, TX, USA
Experience Level
Entry
Junior
Mid
Senior
Expert
Desired Skills
Bash
Computer Networking
JavaScript
Git
MySQL
Postgres
SQL
Python
Nginx
Web Development
TCP/IP
CategoriesNew
Software Engineering
Requirements
  • 4+ 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 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
  • Flexibility to work varying work schedules including; Central time & Pacific time, holidays, weekends, more than 5 days in a row, or additional hours
  • Ability to work on-site in our Austin,TX office
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
Desired Qualifications
  • You are familiar with Cloudflare and are actively using our platform
  • You have worked with PostgreSQL, MySQL, MS SQL, and other database servers
  • You are fluent and can troubleshoot in Mandarin, Spanish, and Portuguese