Network Security Engineer
Network Security Engineer
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1 Vacancy
Job Description
At Cloudflare we are on a mission to help build a better Internet. Today the company runs one of the worlds 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 Magazines Top Company Cultures list and ranked among the Worlds 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!
Available Locations: Lisbon Portugal
What Youll Do
Do you love solving complex technical issues and interacting with people Are you passionate about providing premiumlevel 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
- Selfdriven 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 customerfacing 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 34 & 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
What Makes Cloudflare Special
Were not just a highly ambitious largescale technology company. Were a highly ambitious largescale technology company with a soul. Fundamental to our mission to help build a better Internet is protecting the free and open Internet.
Project Galileo: Since 2014 weve equipped more than 2400 journalism and civil society organizations in 111 countries with powerful tools to defend themselves against attacks that would otherwise censor their work technology already used by Cloudflares enterprise customersat no cost.
Athenian Project: In 2017 we created the Athenian Project to ensure that state and local governments have the highest level of protection and reliability for free so that their constituents have access to election information and voter registration. Since the project weve provided services to more than 425 local government election websites in 33 states.
1.1.1.1: We released 1.1.1.1 to help fix the foundation of the Internet by building a faster more secure and privacycentric public DNS resolver. This is available publicly for everyone to use it is the first consumerfocused service Cloudflare has ever released. Heres the deal we dont store client IP addresses never ever. We will continue to abide by our privacy commitment and ensure that no user data is sold to advertisers or used to target consumers.
Sound like something youd like to be a part of Wed love to hear from you!
This position may require access to information protected under U.S. export control laws including the U.S. Export Administration Regulations. Please note that any offer of employment may be conditioned on your authorization to receive software or technology controlled under these U.S. export laws without sponsorship for an export license.
Cloudflare is proud to be an equal opportunity employer. We are committed to providing equal employment opportunity for all people and place great value in both diversity and inclusiveness. All qualified applicants will be considered for employment without regard to their or any other persons perceived or actual race color religion sex gender gender identity gender expression sexual orientation national origin ancestry citizenship age physical or mental disability medical condition family care status or any other basis protected by law. We are an AA/Veterans/Disabled Employer.
Cloudflare provides reasonable accommodations to qualified individuals with disabilities. Please tell us if you require a reasonable accommodation to apply for a job. Examples of reasonable accommodations include but are not limited to changing the application process providing documents in an alternate format using a sign language interpreter or using specialized equipment. If you require a reasonable accommodation to apply for a job please contact us via email at or via mail at 101 Townsend St. San Francisco CA 94107.
Employment Type
Full Time
