Systems Engineer, Network Protocols & Distributed Systems - Cloudflare

About the Role

Join Cloudflare in building high-performance systems that handle a quarter of the Internet’s traffic. We are looking for builders who want to solve complex infrastructure challenges, influence open standards (QUIC, MASQUE, ECH), and collaborate closely with the IETF.

What You’ll Do

• 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.
• Collaborate with leading engineers in the networking and security space.

You Might Be a Good Fit If You:

• 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 technical, operational, and global Internet impact.

Perks & Benefits

• Flexible work hours and take-what-you-need vacation.
• Equity participation (RSUs) and ESPP.
• Comprehensive health, dental, and vision insurance.
• Retirement savings plans and disability/life insurance.
• Parental, medical, and bereavement leave programs.
• Access to mental health support and family-forming benefits.

Note: Benefits may vary by location. Applicants progressing to the offer stage may be required to attend an in-person interview at a Cloudflare office.