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Security Engineer, Third Party Security

London, United Kingdom


TikTok is the leading destination for short-form mobile video. Our mission is to inspire creativity and bring joy. TikTok has global offices including Los Angeles, New York, London, Paris, Berlin, Dubai, Singapore, Jakarta, Seoul and Tokyo.

Why Join Us
Creation is the core of TikTok's purpose. Our platform is built to help imaginations thrive. This is doubly true of the teams that make TikTok possible.
Together, we inspire creativity and bring joy - a mission we all believe in and aim towards achieving every day.
To us, every challenge, no matter how difficult, is an opportunity; to learn, to innovate, and to grow as one team. Status quo? Never. Courage? Always.
At TikTok, we create together and grow together. That's how we drive impact - for ourselves, our company, and the communities we serve.

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Join us

The Global Security Organization provides industry-leading cyber-security and business protection services to TikTok globally. Our organization employs four principles that guide our strategic and tactical operations. Firstly, we Champion Transparency & Trust by leading the charge in organizational transparency, prioritizing customer trust, and placing user needs first. Secondly, we aim to maintain Best in Class Global Security by proactively identifying and reducing risks while enabling innovative product development. We constantly work towards a sustainable world-class security capability. Thirdly, we strive to be a Business Catalyst & Enabler by embodying the DNA of technical innovation and ensuring our Global Security operations are fast and agile. Finally, we Drive Empowered & Risk-Informed Decision Making by providing our leaders with the necessary information to make agile decisions based on risk. In order to enhance collaboration and cross-functional partnerships, our organization follows a hybrid work schedule that requires employees to work in the office for 2 to 3 days a week, as directed by their manager. We regularly review our hybrid work model, and the specific requirements may change at any time.

As a direct report to the Global Third Party Security Management (TPSM) Lead, you will join a dynamic team that is responsible for reducing the security risk related to ByteDance's use of third parties. In support of that responsibility, you will conduct and partner with Third Party Security Risk Analysts to provide technical security and engineering consultation on security assessments. These consultations are often in support of complex third party arrangements, strategic initiatives and data sharing integrations.

- Provide security engineering consultation to several teams to help identify potential security flaws in high risk third party engagements or assist with remediation efforts, including retesting
- Conduct security assessments of Bytedance's third parties. This includes:
- The planning of third party security assessments, namely, coordinating internal and external stakeholders, evaluating security and developing a security assessment plan
- The execution of third party security assessments, namely, the review of security documentation and the performance of technical assessment procedures
- Proficient in implementing a security engineering centric approach to enhance infrastructure, SaaS and platform security which may include conducting technical security reviews
- Capable of formulating comprehensive security strategies in ambiguous situations
- Lead conversations that delve into technical domains
- Assist in developing innovative solutions to help evaluate complex business, technology, and risk issues in a fast paced environment
- Advocate GSO capabilities to business stakeholders by demonstrating value and fostering awareness


- Background in Computer Science, Computer Engineering, Information Systems or other STEM disciplines.
- Strong knowledge of some of these various disciplines: web application security, mobile app security and cloud security
- Strong knowledge of security architecture, threat modeling, and secure design
- Familiarity with operating systems security, including hardening, patch and vulnerability management, access management, and monitoring
- Adept at securing both platform and developer infrastructure
- In-depth understanding of core network security concepts, such as zero trust architecture
- Proven experience in conducting security assessments and formulating effective remediation plans
- Experience managing projects to completion and demonstrating successful outcomes
- Experience balancing security leading practice with business objectives
- A highly motivated individual, with strong communication and relationship-building skills, and demonstrate a record of ongoing accomplishment and commitment to excellence
- Accustomed to working in a highly dynamic, startup-like environment. Adaptable to changing or emerging priorities
- Knowledge of controls frameworks and industry standard frameworks (FAIR, COBIT, NIST CSF, SOC, ISO, etc.)

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.


Client-provided location(s): London, UK
Job ID: TikTok-7319623580558903562
Employment Type: Other

Perks and Benefits

  • Health and Wellness

    • Health Insurance
    • Dental Insurance
    • Vision Insurance
    • HSA
    • Life Insurance
    • Fitness Subsidies
    • Short-Term Disability
    • Long-Term Disability
    • On-Site Gym
    • Mental Health Benefits
    • Virtual Fitness Classes
  • Parental Benefits

    • Fertility Benefits
    • Adoption Assistance Program
    • Family Support Resources
  • Work Flexibility

    • Flexible Work Hours
    • Hybrid Work Opportunities
  • Office Life and Perks

    • Casual Dress
    • Snacks
    • Pet-friendly Office
    • Happy Hours
    • Some Meals Provided
    • Company Outings
    • On-Site Cafeteria
    • Holiday Events
  • Vacation and Time Off

    • Paid Vacation
    • Paid Holidays
    • Personal/Sick Days
    • Leave of Absence
  • Financial and Retirement

    • 401(K) With Company Matching
    • Performance Bonus
    • Company Equity
  • Professional Development

    • Promote From Within
    • Access to Online Courses
    • Leadership Training Program
    • Associate or Rotational Training Program
    • Mentor Program
  • Diversity and Inclusion

    • Diversity, Equity, and Inclusion Program
    • Employee Resource Groups (ERG)

Company Videos

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