ByteDance
Network Security Software Engineer Intern (Security Engineering) - 2027 Fall
San Jose, California · Internship · Posted Oct 28, 2026
- Education
- Currently pursuing an undergraduate, master’s, or PhD degree in Computer Science, Cybersecurity, Networking, or a related discipline.
About the job
Develop network security products for hyperscale environments and help build security capabilities for AI-native systems.
What you'll do
- Design and develop network security products such as firewalls, WAF, and IDS under senior engineers’ guidance.
- Help build AI-native security capabilities, including LLM/Agent abuse prevention, risk detection, and behavioral analysis.
- Develop scoped features, support customized security solutions, and contribute to code reviews, documentation, and testing.
What they ask for
- Currently pursuing an undergraduate, master’s, or PhD degree in Computer Science, Cybersecurity, Networking, or a related discipline.
- Solid foundation in data structures, algorithms, computer networks, and operating systems.
- Proficiency in at least one of C, Go, or Python.
- Exposure to or coursework/project experience with LLM/Agent-based systems.
Nice to have
- Projects, research, CTF experience, or coursework related to LLM/AI security.
- Familiarity with firewall, WAF, or IDS products; networking/security open-source contributions; or a prior security, networking, or backend infrastructure internship.
Tools
C, Go, Python, LLM/Agent
AI focus
Build security capabilities for AI-native systems, including LLM/Agent abuse prevention, risk detection, behavioral analysis, and related security implementations.
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