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# Senior Infrastructure Network Engineer

- **Company:** DataFielder Inc
- **Location:** United States (Remote available)
- **Experience:** Expert
- **Salary:** $170,000.0 - $220,000.0
- **Contract:** Permanent contract
- **Skills:** C++ (Programming Language), Communications Protocols, Computer Networks, Network Congestion, Software Debugging, Domain Name System (DNS), Datagram Transport Layer Security, Memory Management, Virtual Private Networks (VPN), Network Troubleshooting, Network Architecture, Network Service, Packet Analyzer, Network Virtualization, OpenVPN, Performance Tuning, System Programming, Transmission Control Protocol (TCP), Wireshark, Concurrency
- **Published:** May 13, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=8959d95619de1d8c

## About the Role

Do you have experience in Technical troubleshooting support?, Required:

 * Strong, active 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 security-focused network architecture
 * Ability to debug complex networking issues in production
 * Stable career history - 2+ years per role is the norm for this team

Strongly Preferred:

 * WireGuard, OpenVPN, or TLS VPN experience
 * TUN/TAP driver experience (tuntap, utun, Wintun, virtual network interfaces)
 * TCP internals: retransmission, congestion control, flow control
 * UDP-based protocols: QUIC, DTLS
 * P2P networking and NAT traversal: 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

## Description

This is not an adjacent or architectural role. Approximately 80% of your day-to-day work will be active, production-level C/C++ development.

What You'll Do

 * Design and implement network infrastructure components for a large-scale, production security 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 complex, production-level networking issues
 * Contribute to security-focused network architecture including mTLS, secure tunneling, and zero-trust design


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