Senior Insider Risk Investigator — Global Security

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

Job summary

TikTok's Global Security Organization (GSO) seeks a technical security analyst to lead high-impact insider risk investigations globally. You will handle data exfiltration, policy violations, dual employment, and risk stemming from TikTok personnel or operations, working across regions.

This role requires strong technical acumen, investigative instincts, and the ability to coordinate with Legal, HR, Engineering, PR, and Policy teams.

Qualifications

• Strong technical proficiency in log data analysis, security principles, IAM/SSO, cloud services, EDR, network logs, email logs, and collaboration platform logs.
• Solid understanding of developer workflows and tools (Git, Python) used by engineers daily.
• Experience independently leading complex security investigations from detection through remediation.
• Experience performing endpoint, cloud, and identity-based investigations across enterprise environments.
• Experience mentoring analysts and serving as a technical escalation point for investigative teams.
• Ability to communicate technical findings to both technical and non-technical stakeholders.
• Strong experience producing investigation reports suitable for internal counsel, executives, and auditors.

Responsibilities

• Lead technical insider risk investigations from intake to closure across regions.
• Analyze telemetry data including DLP, endpoint logs, VPN, service logs, and collaboration platforms.
• Conduct interviews with employees and stakeholders across the AMS and other regions.
• Write thorough region-specific investigation reports aligned with global protocols.
• Coordinate outcomes with Legal, HR, Engineering, PR, and Policy teams.
• Monitor external threats and disclosures affecting TikTok's brand globally.
• Identify detection gaps and help shape alerting logic with cross-functional teams.
• Maintain discretion and proper handling of sensitive data per privacy laws.

Skills

Log data analysis

Security principles

IAM/SSO

Cloud services

EDR

Network logs

Email logs

Collaboration logs

Git

Python

Security investigations

Endpoint/identity investigations

Mentoring analysts

Stakeholder communication

Education

Bachelor's degree or above in Cybersecurity, Computer Science, Software Engineering

Tools

Okta

Active Directory

Slack

Microsoft Teams

Job description

TikTok's Global Security Organization (GSO) seeks a technical security analyst to lead high-impact insider risk investigations globally. You will handle data exfiltration, policy violations, dual employment, and risk stemming from TikTok personnel or operations, working across regions.

This role requires strong technical acumen, investigative instincts, and the ability to coordinate with Legal, HR, Engineering, PR, and Policy teams.