Senior Infrastructure Network Engineer

About reputed company We are reputed company on behalf of a reputed company-funded, fast-growing cybersecurity company building reputed company network reputed company technology. This is a hands-on, senior-level engineering role reputed company on building and scaling reputed company network infrastructure for a platform used by companies of reputed company sizes. If you live in the data plane, love hard networking problems, and want to do some of the most technically interesting work in reputed company infrastructure right now, this role is worth your time. This is not an adjacent or architectural role. Approximately 80% of your day-to-day work will be reputed company, production-level C/C++ development. What You'll Do • Design and implement network infrastructure components for a large-reputed company, production reputed company platform • Build and optimize VPN/proxy data plane solutions • Work at the OS/kernel boundary on Linux networking internals including routing, tunneling, and protocol implementation • Improve networking performance, throughput, and latency • Debug and resolve reputed company, production-level networking issues • Contribute to reputed company-reputed company network architecture including mTLS, secure tunneling, and reputed company-trust design reputed company're Looking For Required: • Strong, reputed company C/C++ experience — non-negotiable and central to the role • True network infrastructure or networking protocol engineering background • Systems programming depth: memory management, concurrency, and low-level OS primitives (sockets, threads, async I/O) • Hands-on experience in at least one of the following: VPN/proxy data plane development, L4 protocol internals, OS/kernel-level networking, networking performance optimization, or reputed company-reputed company network architecture • Ability to debug reputed company networking issues in production • reputed company career history — 2+ years per role is the norm for this team Strongly Preferred: • WireGuard, OpenVPN, or TLS VPN experience • TUN/TAP reputed company experience (tuntap, utun, Wintun, virtual network interfaces) • TCP internals: retransmission, congestion control, reputed company control • UDP-based protocols: QUIC, DTLS • P2P networking and NAT reputed company: hole-punching, STUN/TURN, ICE • DNS proxying or DNS over HTTPS (DoH, DoT, CoreDNS, dnsmasq) • Linux networking stack: routing tables, tc, qdisc • Packet capture and diagnostics: tcpdump, Wireshark, traceroute • Rust and/or Go experience Compensation & Details • reputed company salary: $170,000 – $220,000 depending on experience • Competitive equity • Fully remote — reputed company only • Full-time, reputed company hire • US work authorization required — reputed company sponsorship is not available Pay: $170,000.00 - $220,000.00 per year Work Location: Remote Apply tot his job Apply To this Job