Technical Support Engineer, Application SecurityNew

The opportunity

The Cloudflare Customer Support Team solves complicated problems and answers technical questions via phone, email, chat and social media. Whether it is a Wordpress blogger using our services for free or a global Enterprise business with petabytes of web traffic, we are always eager to assist.

What you'll do

  • Serve as a trusted technical advisor for our Enterprise customers, responding: to and resolving inquiries and incidents related to Application Services/Performance, while delivering timely, high-quality and personalized assistance.

  • Work directly with customers to diagnose, troubleshoot and resolve complex: technical issues involving DNS, HTTP Errors, IAM, Load Balancing, Caching, CORS, SSL/TLS, Network, and other Application Services/Performance related configurations.

  • Work with Engineering and Operations teams to remediate issues, suggest steps: to mitigate, and apply the appropriate mitigation, when applicable.

  • Create and maintain knowledge base articles, technical guides, and: troubleshooting documentation for internal and customer use.

  • You have a solid grasp of problem-solving with command line tools (dig/traceroute/curl/tcpdump).

  • You have experience writing scripts in Bash, Python, JavaScript, or other scripting language.

What they're looking for

  • You must have a minimum of 4 years’ experience working as a Technical Support: Engineer supporting globally distributed reverse-proxy CDN platforms, with hands-on expertise in content caching, performance optimization, traffic routing, and edge delivery services similar to Cloudflare’s core network offerings.
  • Exceptional troubleshooting and problem-solving skills, with the ability to: simplify complex concepts for customers.
  • Strong customer service orientation and communication skills, both written and verbal.
  • Ability to work independently and collaboratively in a fast-paced, dynamic environment.
  • Strong understanding of L4/L7 protocols and concepts including, TCP/UDP, DNS,: HTTP/S, IAM, Load Balancing, Caching, CORS, SSL/TLS, Network with a particular focus on Anycast concepts.
  • Have experience using online diagnostic and monitoring platforms: including DNS lookup tools, global ping and traceroute testers, SSL/TLS configuration analyzers, and synthetic transaction or real-user monitoring services — to troubleshoot DNS resolution, network latency, certificate issues, and global service availability problems.
  • Have experience using investigative observability tools such as Kibana,: Grafana, Zabbix, Sentry, and live log-tailing utilities to analyze logs, trace issues, and pinpoint root causes of performance or reliability problems.
  • Confident with command line and tools, including curl, dig, traceroute, openssl, git.