Customer-Facing Network Security Engineer (DDoS & WAF)

Cloudflare, Inc.; Lisboa; Presencial; EUR 38 000 - 52 000; Tempo integral

Vantagens oferecidas por esta oferta de emprego

Equity plan

Resumo da oferta

Cloudflare, Inc. in Lisbon, Portugal, is seeking an experienced Network Security Engineer to support our largest customers, resolving threats on OSI layers 3, 4, and 7 using Magic Transit, Network Firewall, WAF and related tools.

You will collaborate with Engineering and Product teams to improve the products and tools while delivering premium-level support to customers via chat, email, and phone. This role offers equity and a chance to help secure the Internet.

Qualificações

• Experience solving complex technical issues and providing premium-level support.
• Fundamental understanding of how the Internet works (OSI Model).
• Advanced understanding of modern Internet protocols like TCP and UDP.
• Experience troubleshooting network connectivity issues, BGP routing, and GRE tunnels.
• Experience with command line tools: curl, dig, traceroute, openssl, git.
• Experience with web servers such as Apache, Nginx, Caddy and IIS.
• Experience in a customer-facing role.

Responsabilidades

• Communicate with customers via chat, email, and phone
• 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

Conhecimentos

Network security

DDoS mitigation

Customer support

TCP/UDP

iptables

BGP routing

Packet capture

Web servers

Team collaboration

OSI model

Ferramentas

curl

traceroute

openssl

git

dig

Descrição da oferta de emprego

Cloudflare, Inc. in Lisbon, Portugal, is seeking an experienced Network Security Engineer to support our largest customers, resolving threats on OSI layers 3, 4, and 7 using Magic Transit, Network Firewall, WAF and related tools.

You will collaborate with Engineering and Product teams to improve the products and tools while delivering premium-level support to customers via chat, email, and phone. This role offers equity and a chance to help secure the Internet.