Principal Security Researcher (Decoder)

What you'll do

• Research network protocols, application behavior, file types, and firewall evasion techniques; develop corresponding decoders and defenses.
• Build common services and internal tools supporting network security products.
• Integrate detection and advanced cybersecurity features into product solutions in collaboration with other teams.

What they ask for

• Strong programming and debugging skills, including required Go coding experience and understanding of Go concurrency, memory optimization, and scalable system design.
• Excellent understanding of L4-7 networking protocols and experience with packet processing, stream reassembly, protocol parsing, and traffic analysis systems.
• Experience analyzing network traffic with tools such as Wireshark, Fiddler, or tcpdump; familiarity with Linux/Unix development.
• BS/MS in Computer Science or Electrical Engineering, or equivalent Military experience.

Nice to have

• C/C++ experience; knowledge of next-generation firewalls, cybersecurity services, protocol evasion, fragmentation, and traffic obfuscation.
• Experience with Suricata, Zeek, eBPF, DPDK, pattern-matching or rule-based detection, profiling tools, or AI for traffic classification, protocol identification, or anomaly detection.

Pay

$172,100.00 - $278,300.00/yr (USD; base salary)

Tools

Go, C/C++, HTTP, TLS, SMTP, FTP, Websocket, GRPC

AI focus

AI techniques for traffic classification, protocol identification, or anomaly detection are a preferred area of experience.