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Systems Engineer, Network Protocols & Distributed Systems

Cloudflare· Engineering
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Hybrid (London / Lisbon / Austin)€54k - €75kPosted 1mo ago

About the role

Hybrid role at Cloudflare focused on building and operating high-performance systems that terminate HTTP and TLS at Internet scale, contributing to open standards and open-source projects, with a emphasis on networking and security.

Responsibilities

  • Build and operate systems that terminate HTTP and TLS at Internet scale
  • Migrate core infrastructure from NGINX to a next-gen Rust-based proxy
  • Measure and improve protocol performance across real-world traffic
  • Contribute to open source and industry standards
  • Learn from and work alongside some of the leading engineers in this space

Qualifications

  • Have solid systems programming experience (Rust, C, or similar)
  • Thrive in complex technical domains and enjoy learning new things
  • Care about building reliable, secure, and performant software
  • Are motivated by impact — technical, operational, and on the Internet itself
  • Come from a background that’s underrepresented in tech — we value diverse perspectives

Skills

Required:Systems programmingLearning and problem solving in complex domains

Benefits

  • Flexible work hours
  • Take-what-you-need vacation
  • RSUs
  • ESPP
  • Meaningful technical challenges every day
  • Health & Welfare Benefits: Medical/Rx, Dental, Vision, FSA, Commuter, Fertility & Family Forming Benefits, On-demand mental health support and EAP, Global Travel Medical Insurance
  • Financial Benefits: Short and Long Term Disability Insurance, Life & Accident Insurance, 401(k) Retirement Savings Plan, Employee Stock Participation Plan
  • Time Off: Flexible PTO, Parental, pregnancy health, medical, and bereavement leave
Last updated Sep 16, 2026. Interested? Apply on the company site.

About Cloudflare

Connect, protect, and build everywhere | Cloudflare

Make employees, applications and networks faster and more secure everywhere, while reducing complexity and cost.

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