Staff Software Engineer — Networking & DNS Infrastructure at BlueCat

Design and implement components of a high-performance DNS engine: resolvers, forwarders, caching
Implement and harden DNS protocol features across transports: UDP/TCP, DNS-over-HTTPS
Build features for traffic management and reliability: global server load balancing
Profile and optimize hot paths: memory allocation, data structures (tries, caches), connection
Integrate the data plane with control-plane services: configuration updates across distributed
Own observability for your components: metrics, structured logging/tracing, and diagnostics that

Strong systems programming experience in Rust and async programming with Tokio
Thorough understanding of networking fundamentals (TCP, UDP, TLS, HTTP), ideally DNS
Experience writing performance-sensitive concurrent code and measuring with benchmarks and profiling
Test-first, correctness-oriented mindset with focus on edge cases, graceful shutdown, backpressure
Comfort working with modular codebases (crates/modules), shared libraries, plugin boundaries, and
Strong communication skills and customer empathy, ability to translate ambiguous problems into