Senior Security Investigator, Insider Risk - Global Security Organization

TikTok; San Jose (CA); On-site; USD 134,000 - 223,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

401(k) with company match

Parental leave

Disability coverage

Wellbeing benefits

Paid holidays and PTO

Job summary

TikTok is seeking a Senior Security Investigator for Insider Risk within the Global Security Organization in San Jose. You will lead technical investigations into data exfiltration, privilege misuse, dual employment and related threats across regions.

You will analyze telemetry, conduct interviews, and produce reports aligned with global protocols while respecting local laws. This role collaborates with Legal, HR, Engineering, PR and Policy to drive remediation and prevent incidents

Qualifications

• Bachelor's degree or above in Cybersecurity, CS or Software Engineering.
• Experience leading complex security investigations.
• Experience with endpoint, cloud, and identity-based investigations across enterprise environments.

Responsibilities

• Lead technical insider risk investigations from intake to closure.
• Analyze telemetry data and indicators across regional infrastructure.
• Conduct interviews with employees and stakeholders across the AMS and other regions.
• Write thorough investigation reports aligned with global protocols and local context.
• Collaborate with Legal, HR, Engineering, PR, and Policy teams across the Americas.
• Monitor external threats and public disclosures stemming from internal actions.
• Identify and address regional detection gaps and help shape alerting logic.
• Maintain complete discretion handling sensitive data per privacy laws.

Skills

Log data analysis

Security fundamentals

IAM/SSO

Cloud services

EDR

Network logs

Email logs

Collaboration logs

Developer workflows

Git

Python

Education

Bachelor's degree in Cybersecurity/CS/Software Engineering

Tools

Okta

Active Directory

GCP

AWS

Azure

Slack

Microsoft Teams

Job description

Senior Security Investigator, Insider Risk - Global Security Organization

Location: San Jose

Employment Type: Regular

Job Code: A164766

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. TikTok’s Insider Risk team is seeking a technical security investigator to help lead high-impact internal investigations globally. In this position, you will investigate threats related to, but not limited to, exfiltration, data misuse, policy violations, dual employment, and reputational risk stemming from TikTok personnel or operations.

• Lead technical insider risk investigations from intake to closure involving sensitive matters such as: Data exfiltration or misuse, Unauthorized platform access or privilege abuse, Dual employment and conflict of interest concerns, Misconduct with potential public or regulatory exposure, Tampering with intellectual property.
• Analyze telemetry data and indicators across regional infrastructure: DLP alerts, endpoint logs, VPN activity, service logs, and our internal collaboration platform.
• Conduct interviews with employees and stakeholders across the AMS and other regions, exercising sound judgment and cultural sensitivity.
• Write thorough, region-specific investigation reports, ensuring alignment with global protocols while reflecting local legal and business context.
• Collaborate with Legal, HR, Engineering, PR, and Policy teams across the Americas to coordinate investigative outcomes and support remediation or disciplinary action.
• Monitor and assess external threats and public disclosures originating from internal actions that may affect TikTok’s brand globally.
• Identify and address regional detection gaps, contribute to threat modeling, and help shape alerting logic in partnership with detection, analysis, and engineering teams.
• Maintain complete discretion and proper handling of sensitive employee, operational, and company data in accordance with regional privacy laws.

Qualifications

• Strong technical proficiency is analyzing: Log data analysis (Audit logs for various services, process logs, etc), Security principles (CIA, defense in depth, principle of least privilege, etc), IAM/SSO (Okta, AD, etc), Cloud services (GCP, AWS, Azure, Ali Cloud, etc), Endpoint detection and response (EDR), Network logs, Email logs, Collaboration platform logs (Slack, Microsoft Teams, etc)
• Strong understanding of developer workflows and tools (e.g. Git, python, etc...) and how they are used day to day by engineers.
• Experience independently leading complex security investigations from detection through remediation.
• Experience performing endpoint, cloud, and identity-based investigations across enterprise environments.
• Ability to handle highly confidential and sensitive information with discretion.
• Experience mentoring analysts and serving as a technical escalation point for investigative teams.
• Strong experience producing investigation reports suitable for internal counsel, executives, and auditors.

Preferred Qualifications

• 5+ years of experience in Insider Risk, Insider Threat, Security Engineering, Digital Forensics, Incident Response, or related disciplines
• Demonstrated experience conducting investigative interviews and subject questioning.
• Experience developing detections, investigative playbooks, workflows, or automation to improve insider risk operations.
• Experience working in a global tech company or social platform.
• Bachelor’s degree or above in Cybersecurity, Computer Science, Software Engineering.
• Familiarity with GDPR or equivalent privacy frameworks relevant to internal investigations.
• Prior involvement in investigations that resulted in external visibility, public scrutiny, or regulatory engagement.
• Familiarity with insider threat frameworks and risk modeling.

Job Information

The base salary range for this position in the selected city is $134400 - $223200 annually.

Compensation may vary outside of this range depending on a number of factors, including a candidate’s qualifications, skills, competencies and experience, and location. Base pay is one part of the Total Package that is provided to compensate and recognize employees for their work, and this role may be eligible for additional discretionary bonuses/incentives, and restricted stock units.

Benefits may vary depending on the nature of employment and the country work location. Employees have day one access to medical, dental, and vision insurance, a 401(k) savings plan with company match, paid parental leave, short-term and long-term disability coverage, life insurance, wellbeing benefits, among others. Employees also receive 10 paid holidays per year, 10 paid sick days per year and 17 days of Paid Personal Time (prorated upon hire with increasing accruals by tenure).

• Employees have day one access to medical, dental, and vision insurance, a 401(k) savings plan with company match, paid parental leave, short-term and long-term disability coverage, life insurance, wellbeing benefits, among others.
• Employees also receive 10 paid holidays per year, 10 paid sick days per year and 17 days of Paid Personal Time (prorated upon hire with increasing accruals by tenure).

The Company reserves the right to modify or change these benefits programs at any time, with or without notice.

For Los Angeles County (unincorporated) Candidates

Qualified applicants with arrest or conviction records will be considered for employment in accordance with all federal, state, and local laws including the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Our company believes that criminal history may have a direct, adverse and negative relationship on the following job duties, potentially resulting in the withdrawal of the conditional offer of employment:

1. Interacting and occasionally having unsupervised contact with internal/external clients and/or colleagues;

2. Appropriately handling and managing confidential information including proprietary and trade secret information and access to information technology systems; and

3. Exercising sound judgment.

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.

TikTok Accommodation

TikTok is committed to providing reasonable accommodations in our recruitment processes for candidates with disabilities, pregnancy, sincerely held religious beliefs or other reasons protected by applicable laws. If you need assistance or a reasonable accommodation, please reach out to us at https://tinyurl.com/RA-request