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Network Security Engineer
CloudflareNetwork Security Engineer providing premium-level support for Cloudflare's sophisticated customers. Solving technical problems related to network security and performance in a hybrid environment.
Core Competencies
Role fitCore Competencies
Use this summary to align your resume positioning with the role.
Demonstrates expertise in network security and performance, with a strong focus on DDoS mitigation, troubleshooting complex technical issues, and providing exceptional customer support. Proficient in utilizing automation tools and scripting to enhance operational efficiency and improve customer response times.
Highest-signal resume keywords
DDoS MitigationNetwork Security EngineeringTroubleshooting Network ConnectivityScripting in Bash, Python, JavaScriptCustomer Service Orientation
ATS Keywords
Tailor your resumeApplicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills
Network ProtocolsTCP/IPDNSHTTP/SBGP RoutingPacket Capture AnalysisFirewall ConfigurationSSL/TLSDatabase ManagementTraffic Signature Analysis
Soft Skills
Problem-SolvingCommunicationCollaborationCustomer SupportAdaptability
Tools & Technologies
CloudflareMagic TransitNetwork FirewallWAFIptablesCurlDigTracerouteOpensslLooking Glass
Certifications & Qualifications
CISSPGCIAGCIHGCFAGCFE
Industry Keywords
Network SecurityWeb SecurityDDoS MitigationTechnical SupportKnowledge Base Development
Tech Stack
Tools & technologiesApacheCyber SecurityDNSJavaScriptMySQLNGINXPostgresPythonSQLTCP/IP
About the role
Key responsibilities & impact- Serve as a trusted technical advisor for our enterprise customers, responding to and resolving inquiries and incidents related to network security and performance, while delivering timely, high-quality and personalized assistance.
- Work directly with customers to diagnose, troubleshoot and resolve complex technical issues involving DDoS mitigation, firewall rules, SSL/TLS, network confirmation, and other security configurations.
- Create and maintain knowledge base articles, technical guides, and troubleshooting documentation for internal and customer use.
- 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 Product teams to improve products and tools
- Utilize generative AI and automation tools to streamline log analysis, accelerate root-cause analysis during security incidents, and optimize customer response times.
Requirements
What you’ll need- 4 years experience working as a Network Security Engineer / Technical Support Engineer / Sr. Support Engineer supporting networking or web security products.
- Exceptional troubleshooting and problem-solving skills, with the ability to simplify complex concepts for customers.
- Strong customer service orientation and communication skills
- Ability to work independently and collaboratively in a fast-paced, dynamic environment.
- Strong understanding of network protocols, including TCP/IP, DNS, HTTP/S, and BGP, with a particular focus on anycast routing concepts and implementation, as well as tools such as iptables and looking glass.
- Proven experience troubleshooting network connectivity issues, BGP routing, and GRE tunnels, and performing packet capture analysis
- Confident with command line and tools, including curl, dig, traceroute, openssl, git
- Experience in a web development and / or hosting environment such as installing and configuring web servers like Apache, Nginx, Caddy and IIS.
- Competent at writing scripts in Bash, Python, JavaScript or other scripting languages.
- Worked with PostgreSQL, MySQL, MS SQL, and other database servers.
- Bachelor’s degree in Computer Science, Cybersecurity, or a related field (or equivalent experience).
- Relevant certifications such as CISSP, GCIA GCIH, GCFA, GCFE or equivalent.
Benefits
Comp & perks- Health insurance
- 401(k) matching
- Flexible work hours
- Paid time off
- Remote work options