Sr. Infrastructure Security Specialist - Enterprise to Edge Security, Global Security Organization

About the role

The Enterprise to Edge security team, part of the 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.

Responsibilities

• Own security architecture and control frameworks across self-built data centers, OCI, AWS, Azure, and GCP in hybrid/multi-cloud environments.
• Implement defense-in-depth controls across IaaS, PaaS, containers, and IAM for infrastructure.
• Lead threat modeling and architecture reviews to identify and mitigate risks before production.
• Embed automated security scanning, policy-as-code, and approval gates into CI/CD pipelines.
• Build scalable IaC frameworks to enforce security baselines and eliminate configuration drift.
• Partner with engineering, infrastructure, and business teams to shift security left in the design lifecycle.
• Drive control maturity through regular assessments and a roadmap focused on automation and operational efficiency.
• Design and mature cloud network security controls - including VPC architecture, micro-segmentation, and firewall policies, and establish centralized security logging and audit trail coverage.

Qualifications

• Proven expertise in designing and implementing security controls across Hybrid and Multi-Cloud environments (e.g., Data Centers, AWS, Azure, GCP, OCI).
• Hands-on experience with key cloud security tooling and concepts (CSPM, CNAPP, CASB, DLP).
• Solid experience with threat modeling, risk assessment methodologies, and security validation techniques.
• Demonstrated ability to automate security control implementation and validation using tools or scripting.
• Strong working knowledge of industry security frameworks (e.g., NIST CSF, ISO 27001) and regulatory requirements (e.g., GDPR, SOX).
• Ability to work 5 days a week in office.

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

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. Join us.

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 .