Principal Systems Engineer

As a Principal Systems Engineer at Cloudflare, you will architect, scale, and secure the core infrastructure powering a significant percentage of all internet traffic. This is a high-visibility, heavy impact role where you will tackle complex distributed systems challenges, optimize low-level network performance, and guide the technical roadmap for our global edge network.

• Architect & Scale: Design and implement next-generation distributed systems and infrastructure that handle trillions of daily requests with ultra-low latency.
• Technical Leadership: Serve as the technical authority for major engineering initiatives; mentor senior engineers and influence across organization boundaries.
• Performance Optimization: Diagnose and resolve complex, low-level bottlenecks across Linux kernel, networking stack, and hardware boundaries.
• Reliability at Scale: Drive architectu...