Senior Systems Engineer, Cloudflare Tunnel

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.

Available Location: Austin, TX

Job Title: Senior Systems Engineer, Cloudflare Tunnel

As a Senior Systems Engineer on the Cloudflare Tunnel team, you will drive the technical vision and architect for future scale, ensuring our product securely connects any machine to the Cloudflare network. You will be responsible for the strategic design of systems across our high-performance global edge network and microservice clusters, providing cross-functional influence to ensure long-term stability and performance. In this leadership role, you will guide capacity planning and the development of next-generation features for Cloudflare Tunnel, Mesh and Zero Trust Network.

You will join a team of bright, hard-working, and supportive engineers who are passionate about their craft, and you will be comfortable operating in a fast-paced but sane work environment.

Role Responsibilities

• Lead the architecture and implementation of complex software systems that comprise Cloudflare Tunnel, including the cross-platform, open-source client and high-performance edge services.

• Participate in all stages of the software development lifecycle, from designing and documenting systems to writing code, automated tests, and monitoring production deployments.

• Strategically influence and collaborate with cross-functional stakeholders, including security, network engineering, SRE, and product management, to design and scale technical solutions.

• Review work from your peers throughout all stages of the development lifecycle to ensure high-quality, maintainable code.

• Foster a culture of technical excellence through mentorship, proactive code reviews, and establishing engineering standards across the team to ensure high-quality, maintainable code.

• Debug issues in complex systems and contribute to the maintenance and improvement of operational health.

• Drive the long-term technical roadmap and identify opportunities for system-wide improvements, ensuring our architecture remains resilient as we scale.

• Work with a wide range of technologies and programming languages, including Go, Rust, and Typescript, as well as various databases (SQL and