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Application Performance and Security Solutions Engineer

Cloudflare

Hybrid Solution Engineering 10h ago

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Application Performance and Security Solutions Engineer

Cloudflare · Hybrid

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Solution Engineering Lisbon, Portugal Remote Portugal Posted May 13, 2026

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

About Us

At Cloudflare, we have our eyes set on an ambitious goal: to help build a better Internet. Today the company runs one of the world’s largest networks that powers trillions of requests per month. Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of code. Internet properties powered by Cloudflare have all 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 recognized by the World Economic Forum as a Technology Pioneer and named to Entrepreneur Magazine’s Top Company Cultures list.

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!

What you'll do as a Application Performance and Security Solutions Engineer

You will work with our clients to understand their business needs and understand their current applications landscape with the goal of helping them develop a security posture that meets their requirements while also keeping their applications and assets safe according to the most recent standards in cyber security, with high levels of reliability and performance.

You will work closely with our Account Executives (AEs); generalist SEs, as well as every other team at Cloudflare, from Sales and Product to Engineering and Customer Support.

Responsibilities

You serve as a trusted advisor to our customers; helping them find the best solution for their business needs with Cloudflare.

Guide qualified prospects through the Solution Design and Proof of Concept stages of sales engagements; showing them the key capabilities of the App Services portfolio
Work with your Sales Partners to consistently achieve Pipeline and Revenue goals
Understand our customers IT landscape and security requirements and develop an architecture for our customers to support their business needs
Articulate the benefits of the Cloudflare application performance and security product portfolio vs competing solutions
Promote retention by capturing and communicating gaps in product or features
Collaborate and coordinate with account sales/pre-sales teams on opportunities and liaise with product management and support through the deal cycle.

Skill Requirements

Curiosity and Learning Agility
3+ years of prior Technical Sales, Systems Engineering, or related experience
Experience interacting with senior level/executives to communicate a message of network and security transformation
Familiar with trends and attacks in cyber security (e.g. DDOS, SQL Injection, Cross Site Scripting, etc)
Detailed understanding of workflow from user to application including hybrid architectures with Azure, AWS, GCP.
Experience with Application, Security, Performance and Reliability products such as WAF, Bot Management, DDOS, Firewall, DNS and CDN.
Fundamental understanding of customer network and application architectures.
Experience with JavaScript, Restful APIs, JSON and code versioning solutions (e.g. Git, bitbucket) and scripting languages

Stay up to date not only with Cloudflare’s specific products, but with industry trends.
Ability to jump in with hands-on configuration when needed
Ability to manage a project, work to deadlines, and prioritize between competing goals

Other desirable skills areas include:

Industry Certification, e.g. CISSP, CISA, CEH or OSCP
Experience in one or two industry verticals
Certification with any of the major Cloud Provider

What Makes Cloudflare Special?

We’re not just a highly ambitious, large-scale technology company. We’re a highly ambitious, large-scale 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, we've equipped more than 2,400 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 Cloudflare’s enterprise customers--at 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, we've 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 privacy-centric public DNS resolver. This is available publicly for everyone to use - it is the first consumer-focused service Cloudflare has ever released. Here’s the deal - we don’t 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 you’d like to be a part of? We’d love to hear from you!

Please note that applicants who progress to the offer stage of the interview process may be asked to attend an in-person interview within one of the Cloudflare Offices or Cloudflare Hubs. More details about this will be available at that stage of the interview process.

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 person's, 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 e-mail at hr@cloudflare.com or via mail at 101 Townsend St. San Francisco, CA 94107.

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Application Performance and Security Solutions Engineer

What you'll do as a Application Performance and Security Solutions Engineer

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