Senior Software Engineer - Network Security

ByteDance ByteDance · Big Tech · San Jose, CA · R&D

Senior Software Engineer for Network Security team at ByteDance, focusing on designing and building enterprise-level network security products like Firewalls, Anti-DDoS, WAF, and NDR. The role involves supporting ByteDance businesses with customized security solutions to meet compliance and security requirements, and supporting network security products for internal and external customers. Requires 5 years of software development experience in cybersecurity, strong understanding of networking protocols, DPDK or eBPF, and proficiency in C, GO, and Linux systems.

What you'd actually do

  1. Design and build network security products, including but not limited to Firewall, Anti-DDoS, WAF, NDR, etc with high standards;
  2. Support ByteDance businesses with customized and home-grown network security solutions to meet compliance and security requirements;
  3. Support network security products for internal and external customers.

Skills

Required

  • Self-driven problem solver with great communication and collaboration skills.
  • B.S. or advanced degree in Computer Science, Electrical Engineering or other relevant majors, with 5 years software development experience in the cybersecurity domain.
  • Solid understanding of networking & networking protocols, like NAT, Vxlan, BGP, DNS, HTTP, L7-proxy Thrift, FTP etc.
  • Good understanding of DPDK or eBPF.
  • Proficient with C and GO and strong background in Linux systems.

Nice to have

  • Experience in building AI/ML models or training/fine-tune with LLM.
  • Experience with firewall or WAF development.
  • Threat detection analysis experience with Spark SQL.