Senior Security Engineer (Multiple Positions)
Core
Building scalable, secure-by-design systems and conducting security assessments, threat modeling, and incident response for TikTok's global applications.
Role type
Senior Security Engineer (IC)
Builds
Secure applications and platforms for TikTok's global user base
Domain
Consumer social media / Cybersecurity
Required skills
Web application security, mobile application security, network security, OS internals and hardening, applied cryptography, cloud computing, threat modeling, security tooling development, privacy engineering, business logic analysis, compliance readiness (ISO 27001, NIST CSF, PCI-DSS, HIPAA), debugging and troubleshooting
Technologies
JavaScript (Node JS), Go, Python, Java, C++, Rust
Responsibilities
Design and implement secure systems, review architectures and code, perform security assessments in SDLC, coordinate incident response, mentor junior engineers
Seniority
Senior, hands-on IC
