As a Network Security Engineer, you'll resolve technical issues, help customers mitigate threats, and improve Cloudflare products. Strong networking and scripting skills required.
Available Locations: Lisbon, Portugal What You'll Do
Do you love solving complex technical issues and interacting with people? Are you passionate about providing premium-level support to customers and are a standout colleague? Cloudflare is seeking an experienced Network Security Engineer to join our team and support our largest and most technically sophisticated customers in resolving technical problems, threats or attacks on their infrastructure at OSI Layers 3, 4, and 7. This will span the range of Cloudflare products from Magic Transit Infrastructure Protection, Argo Smart Routing, DDoS mitigation and Network Firewall, to using the Web Application firewall (WAF), Spectrum and Rate Limiting to help customers.
Examples of desirable skills, knowledge and experience
- 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
Bonus Points
- 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
Top Skills
Bash
Cloudflare
Curl
Dig
Git
Iptables
JavaScript
Openssl
Osi Model
Packet Capture Analysis
Python
SQL
Tcp
Traceroute
Udp
Similar Jobs at Cloudflare
Cloud • Information Technology • Security • Software • Cybersecurity
The Security Systems Reliability Engineer will design, implement, and manage secure infrastructure, ensuring high availability and fault tolerance while performing maintenance, documentation, and monitoring tasks.
Top Skills:
AnsibleAWSAzureCi/CdCloudflareGCPIamKubernetesLinuxPythonTerraform
Cloud • Information Technology • Security • Software • Cybersecurity
As a Security Research Analyst, you'll support the Intel Team's daily operations, review and classify domains and emails, research IoCs, define software requirements, and collaborate with data scientists and engineers on cybersecurity projects.
Top Skills:
Data EngineeringData ScienceGitJavaScriptMachine LearningNode.jsPython
Cloud • Information Technology • Security • Software • Cybersecurity
As a Technical Support Engineer, you will solve customer billing inquiries, maintain high satisfaction, and gain technical knowledge about Cloudflare's services.
Top Skills:
LinuxMac OsxWindowsWordpress
What you need to know about the Pune Tech Scene
Once a far-out concept, AI is now a tangible force reshaping industries and economies worldwide. While its adoption will automate some roles, AI has created more jobs than it has displaced, with an expected 97 million new roles to be created in the coming years. This is especially true in cities like Pune, which is emerging as a hub for companies eager to leverage this technology to develop solutions that simplify and improve lives in sectors such as education, healthcare, finance, e-commerce and more.
