L4 Networking Systems Engineer (Go)

Triwill Group; United States; Hybrid; USD 140,000 - 210,000; Full time

Job summary

Cloudflare is seeking a Systems Engineer for the Spectrum team within Packet Processing to own a high-scale L4 proxy and its evolution. You will work on the edge dataplane, control plane, and cross-dataplane integrations, partnering with other teams to ship reliable, high-performance networking software.

The role emphasizes production ownership, on-call readiness, and strong debugging skills to improve throughput and resilience across global data centers. Austin, TX-based, on-site position.

Qualifications

• Experience building large-scale distributed systems.
• Strong Go programming skills; Rust is a plus.
• Solid understanding of L3/L4 networking and Linux networking primitives.
• Experience designing RESTful APIs and operating in production.

Responsibilities

• Develop and evolve Spectrum edge dataplane and control plane.
• Integrate with Unimog, Magic Transit, and other systems.
• Own performance, scalability, and reliability in production.
• Collaborate across Traffic Management and SRE teams to ship features.

Skills

Go

Rust

Networking

Linux

REST APIs

Production operations

Performance debugging

Communication

Job description

Cloudflare is seeking a Systems Engineer for the Spectrum team within Packet Processing to own a high-scale L4 proxy and its evolution. You will work on the edge dataplane, control plane, and cross-dataplane integrations, partnering with other teams to ship reliable, high-performance networking software.

The role emphasizes production ownership, on-call readiness, and strong debugging skills to improve throughput and resilience across global data centers. Austin, TX-based, on-site position.