Cloudflare

Network Security Engineer

Posted 24 July 2024
LocationSingapore
ReferenceNetwork Security Engineer

Company's Benefits

  • Flexible Working Arrangements

    Flexible Working Arrangements

  • Mentorship Program

    Mentorship Program

  • Leadership Development Program

    Leadership Development Program

  • Paid Parental Leave

    Paid Parental Leave

  • Return to Work Policy

    Return to Work Policy

  • Childcare Facilities

    Childcare Facilities

  • Breastfeeding Rooms

    Breastfeeding Rooms

  • Sponsorship Program

    Sponsorship Program

  • Coaching Program

    Coaching Program

  • Internal Women's Networking Group

    Internal Women's Networking Group

Job Description

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. 

We realize people do not fit into neat boxes. We are looking for curious and empathetic individuals who are committed to developing themselves and learning new skills, and we are ready to help you do that. We cannot complete our mission without building a diverse and inclusive team. We hire the best people based on an evaluation of their potential and support them throughout their time at Cloudflare. Come join us! 

About the Department

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. We are the eyes and ears of Cloudflare, acting as the real-time voice of the customer to help communicate their needs and real-world use cases back to the rest of the company - for better service and future product development.

Description

Network Security Engineers provide premium-level support for Cloudflare’s security products and features. Our largest and most technically sophisticated customers will contact Support for assistance and intelligence in dealing with threats or attacks on their infrastructure at OSI Layers 3, 4, and 7. This will span the range of Cloudflare security products from Magic Transit Infrastructure Protection, DDoS mitigation and Network Firewall, to using the Web Application firewall (WAF), Spectrum and Rate Limiting to help customers.

Network Security Engineersanalyse threats, make detailed and informed suggestions for mitigation and may need to implement mitigation strategies directly on behalf of the customer. They will also provide attack reporting beyond Cloudflare’s self-service reports.

Responsibilities

  • Monitor and react to alerts to identify attacks

  • 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

  • Communicate with customers via chat, email, and phone 

  • Review the latest alerts to determine relevancy and urgency. Create new tracking tickets for alerts that signal an incident and require review or escalation. 

  • Manage and configure security monitoring tools.

  • 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:filter malicious traffic using Cloudflare tools like Magic Transit, Network Firewall, WAF, IP reputation lists, packet inspection, blacklisting, whitelisting, and/or rate limiting.

Key skill sets

  • Modern internet protocols like UDP, TCP, etc.

  • Advanced understanding of iptables 

  • Knowledge of Cloudflare Security Products & Features

  • Technical Support experience

  • Great communication skills with high-value VIP customers under attack

  • Computer Networking fundamentals 

  • Command line / Bash shell

  • Sysadmin skills (Linux/Mac/Windows) & Programming skills (Python, Ruby, PHP, C, C#, Java, Perl, etc.)

  • Security skills and certifications: CISSP, GCIA GCIH, GCFA, GCFE, etc.

  • Data analysis

  • PCAP analysis

  • Calm under pressure