ByteDance
Senior Software Engineer - Network Security
San Jose, California · Senior · Full-time · Posted Oct 28, 2026
- Experience
- 5 years of software development experience in the cybersecurity domain.
- Education
- B.S. or advanced degree in Computer Science, Electrical Engineering, or another relevant major.
About the job
Designs and builds network security products and customized solutions to protect ByteDance businesses and support internal and external customers.
What you'll do
- Design and build network security products such as Firewall, Anti-DDoS, WAF, and NDR.
- Develop customized network security solutions to meet compliance and security requirements.
- Support network security products for internal and external customers.
What they ask for
- B.S. or advanced degree in Computer Science, Electrical Engineering, or another relevant major.
- Solid understanding of networking protocols, such as NAT, Vxlan, BGP, DNS, HTTP, L7-proxy Thrift, and FTP.
- Good understanding of DPDK or eBPF; proficiency with C and GO and a strong Linux systems background.
- Experience building AI/ML models or training/fine-tuning with LLM.
Nice to have
- Experience with firewall or WAF development.
- Threat detection analysis experience with Spark SQL.
Tools
NAT, Vxlan, BGP, DNS, HTTP, L7-proxy Thrift, FTP, DPDK
AI focus
Build AI/ML models or train/fine-tune with LLM.
Model-written summary · the original posting is authoritative