Responsibilities
The mission of TikTok's Global Security Organization is to build and earn trust by reducing risk and securing our businesses and products. Also known as GSO, this team is the foundation of our efforts to keep TikTok safe, secure, and operating at scale for over 1 billion people around the world. We work to ensure that the TikTok platform is safe and secure, that our users experience and their data remains safe from external or internal threats, and that we comply with global regulations wherever TikTok operates.

Trust is one of TikTok's biggest initiatives, and security is integral to our success. In whatever ways users interact with us — whether they're watching videos on their For You page, interacting with a Live video, or buying products on TikTok Shop — GSO protects their data and privacy, so they can have a secure and trustworthy experience.

SecOps Validation Team (STOV) is responsible for the tools and technologies that support the TikTok infrastructure. STOV oversees technical validation, security operations, and drives engineering enhancements, including the deployment, configuration, and maintenance of security technologies across various domains.
The role will be responsible for design and development of Product Security technical controls required by security policy and regulations. The validation targets include product security of TikTok product family and Secure SDLC process. It will provide a solid foundation to evaluate maturity for TikTok product family and Secure SDLC. The role will operate and maintain the Large Language Model (LLM) product security validation system and knowledge base.

Responsibilities
- Responsible for optimizing and fine tuning of the output of AI driven product security validation platform, ensuring the outputs are safe, reliable, and policy-compliance
- Implement and improve prompt engineering of the AI validation platform, operating on filters to reduce hallucinations and mitigate error outputs
- Operate and maintain the AI-driven security requirement generation system to ensure high-quality output for product teams, define metrics and benchmarks to evaluate model output quality
- Expand and manage the security knowledge base, incorporating the latest threat intelligence, compliance standards, and security best practices.
- Validate system-generated requirements to ensure alignment with security best practices and compliance standards and TikTok specific security policies/standards
- Collaborate with AI/ML engineers to integrate domain-specific security knowledge into the model pipeline.
- Train and guide team members on security frameworks, standards, and tools.

Qualifications
Minimum Qualifications:
- Hands-on experience with AI/ML operations and applications, with operational knowledge of large language models (LLMs) is a big plus
- Excellent problem-solving and analytical skills.
- Familiarity with LLMs and techniques like fine tuning, and retrieval-augmented generation (RAG).
- Strong experience in risk management and compliance standards for AI-driven products

Preferred Qualifications
- Bachelor's or Master's degree in Computer Science, AI/ML, Cybersecurity, or related fields
- 3+ years of experience in cybersecurity technologies or operations, including areas such as penetration testing, secure SDLC, security development, compliance, and governance
- Operation knowledge on vector databases and text embedding models
- Solid experience in data engineering workflows
- Proven experience in validating and operationalizing AI systems in a security context.
- Experience creating and maintaining expert knowledge bases
- Certifications such as CISSP, CSSLP, CEH, or equivalent.

About TikTok
TikTok is the leading destination for short-form mobile video. At TikTok, our mission is to inspire creativity and bring joy. TikTok's global headquarters are in Los Angeles and Singapore, and we also have offices in New York City, London, Dublin, Paris, Berlin, Dubai, Jakarta, Seoul, and Tokyo.

Why Join Us
Inspiring creativity is at the core of TikTok's mission. Our innovative product is built to help people authentically express themselves, discover and connect – and our global, diverse teams make that possible. Together, we create value for our communities, inspire creativity and bring joy - a mission we work towards every day.
We strive to do great things with great people. We lead with curiosity, humility, and a desire to make impact in a rapidly growing tech company. Every challenge is an opportunity to learn and innovate as one team. We're resilient and embrace challenges as they come. By constantly iterating and fostering an Always Day 1 mindset, we achieve meaningful breakthroughs for ourselves, our company, and our users. When we create and grow together, the possibilities are limitless. Join us.

Diversity & Inclusion
TikTok is committed to creating an inclusive space where employees are valued for their skills, experiences, and unique perspectives. Our platform connects people from across the globe and so does our workplace. At TikTok, our mission is to inspire creativity and bring joy. To achieve that goal, we are committed to celebrating our diverse voices and to creating an environment that reflects the many communities we reach. We are passionate about this and hope you are too.

Product Security Validation Specialist - Global Security Organization