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Senior Security Engineer - Application / Product Security

AT TikTok
TikTok

Senior Security Engineer - Application / Product Security

Sydney, Australia

Responsibilities

The team's mission is to build infrastructure, platforms and technologies, as well as to support cross-functional teams to protect our users, products and infrastructure. In this team you'll have a unique opportunity to have first-hand exposure to the strategy of the company in key security initiatives, especially in building scalable and secure-by-design systems and solutions. Our challenges are not your regular day-to-day technical problems; you'll be part of a team that's developing new solutions to new challenges of a kind not previously addressed by big tech. It's working fast, at scale, and we're making a difference.

Job Responsibilities
- Perform penetrations tests and security assessments to identify vulnerabilities and business-logic failures in core product ecosystems such as TikTok, CapCut, Lark Suite, and Lemon8.

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- Design and develop security tooling to identify vulnerabilities and optimise the product security review process.
- Perform architecture and design reviews to ensure that our applications are implemented to the highest security and privacy standards, thus maintaining and enhancing user trust.
- Work closely with software engineering teams to provide security guidance and co-design complex production systems.
- Assess vulnerability impact by creating exploits for n-day vulnerabilities and performing variant analysis across our codebases.

Qualifications

Minimum Qualifications
- 5+ years of security engineering experience such as penetration testing, source code review, design review, threat modeling, security mitigation development, or security tooling development.
- Solid experience in writing and reviewing code in at least two of the following programming languages: Kotlin, Swift, TypeScript, Go, or Python.
- Advanced knowledge and understanding in various disciplines: web application security, mobile app security, network security, operating system internals and hardening, applied cryptography, cloud computing. You're expected to be an expert in at least one of these areas.
- Strong problem-solving skills and excellent debugging / troubleshooting skills.

Preferred Qualifications
- Over 2 years of experience in managing an engineering team, demonstrating robust leadership skills and resilience under stress.

Client-provided location(s): Sydney NSW, Australia
Job ID: TikTok-7223179727945713980
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

Hear directly from employees about what it is like to work at TikTok.