Customer Engineering Specialist - Network Services

About Us At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of code. Internet properties powered by Cloudflare all have web traffic routed through its intelligent global network, which gets smarter with every request. As a result, they see significant improvement in performance and a decrease in spam and other attacks. Cloudflare was named to Entrepreneur Magazine’s Top Company Cultures list and ranked among the World’s Most Innovative Companies by Fast Company. At Cloudflare, we’re not looking for people who wait for a polished roadmap; we’re looking for the builders who see the cracks in the Internet that everyone else has simply learned to live with. We value candidates who have the instinct to spot a "normalized" problem and the AI-native curiosity to create a solution using the latest tools. Our culture is built on iteration, leveraging AI to ship faster today to make it better tomorrow, while ensuring that every improvement, no matter how small, is shared across the team to lift everyone up. If you’re the type of person who values curiosity over bureaucracy, and that AI is a partner in solving tough problems to keep the Internet moving forward, you’ll fit right in. Locations: Lisbon Customer Engineering Specialist - Network Services About Us At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of code. Internet properties powered by Cloudflare all have web traffic routed through its intelligent global network, which gets smarter with every request. As a result, they see significant improvement in performance and a decrease in spam and other attacks. Cloudflare was named to Entrepreneur Magazine’s Top Company Cultures list and ranked among the World’s Most Innovative Companies by Fast Company. At Cloudflare, we’re not looking for people who wait for a polished roadmap; we’re looking for the builders who see the cracks in the Internet that everyone else has simply learned to live with. We value candidates who have the instinct to spot a "normalized" problem and the AI-native curiosity to create a solution using the latest tools. Our culture is built on iteration, leveraging AI to ship faster today to make it better tomorrow, while ensuring that every improvement, no matter how small, is shared across the team to lift everyone up. If you’re the type of person who values curiosity over bureaucracy, and that AI is a partner in solving tough problems to keep the Internet moving forward, you’ll fit right in. About the role As a CE Specialist you will be the trusted technical advisor for customers adopting Cloudflare's network services. These include Magic Transit, Cloudflare WAN, Cloudflare Network Firewall and Cloudflare Network Interconnect (CNI), alongside Cloudflare One. You will lead Magic Transit and Cloudflare WAN POCs from design through to production cutover. You will also help customers modernize how they protect, connect and secure their networks and sites. Responsibilities • Act as a trusted advisor, helping customers choose the right Cloudflare network and security solution for their business needs. • Lead qualified prospects through Solution Design and POC. • Magic Transit: plan and run POCs covering BGP onboarding, prefix advertisement, GRE/IPsec tunnels or CNI, and DDoS validation. • Cloudflare WAN: plan and run POCs covering site and branch connectivity (IPsec/GRE tunnels, CNI, Cloudflare One Appliance), data center and cloud-to-site connectivity, routing design, and coexistence with or migration from existing SD-WAN or MPLS. • Understand the customer's network topology, IP addressing, routing policy and security requirements. Then design an architecture that fits, including hybrid environments with Azure, AWS and GCP. • Run technical discovery, demos and workshops as part of the pre-sales cycle. Support RFP/RFI responses and technical validation. • Explain the benefits of Magic Transit, Cloudflare WAN and Cloudflare One compared with alternative approaches. These include traditional DDoS scrubbing services, appliance-based protection, SD-WAN solutions, next-generation firewalls and MPLS or traditional WAN. • Work with GTM partners to consistently achieve pipeline and revenue goals. • Present network and security transformation messages to senior technical leaders and executives. • Capture product and feature gaps and feed them back to Product and Engineering. Core requirements • GTM experience: 5+ years in Customer Engineering, Pre-sales, Solutions or Systems Engineering, or Technical Sales. You should have experience guiding customers through discovery, solution design, POC and handover to delivery or support. • BGP and routing: Strong working knowledge of BGP (eBGP, route advertisement and filtering, AS paths, communities, anycast, RPKI and route hygiene). You should also be comfortable with static and dynamic routing, subnetting, route-based policy and split tunnels. • TCP/IP: Deep understanding of the TCP/IP protocol stack and packet-level troubleshooting (for example with tcpdump and Wireshark). This includes MTU/MSS, tunneling (GRE, IPsec), NAT and asymmetric routing. • DDoS protection: Understanding of L3/L4/L7 DDoS attack types and mitigation approaches (for example volumetric floods, SYN floods, amplification and reflection attacks). You should a