Skip to main contentA logo with &quat;the muse&quat; in dark blue text.

Penetration Tester, Offensive Security Operations (Network/Cloud/Application) - USDS

Washington, DC


About TikTok U.S. Data Security
TikTok is the leading destination for short-form mobile video. Our mission is to inspire creativity and bring joy. U.S. Data Security ("USDS") is a subsidiary of TikTok in the U.S. This new, security-first division was created to bring heightened focus and governance to our data protection policies and content assurance protocols to keep U.S. users safe. Our focus is on providing oversight and protection of the TikTok platform and U.S. user data, so millions of Americans can continue turning to TikTok to learn something new, earn a living, express themselves creatively, or be entertained. The teams within USDS that deliver on this commitment daily span across Trust & Safety, Security & Privacy, Engineering, User & Product Ops, Corporate Functions and more.

Want more jobs like this?

Get Software Engineering jobs in Washington, DC delivered to your inbox every week.

By signing up, you agree to our Terms of Service & Privacy Policy.

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.
Join us.

About The Team
As an Application Security Penetration Tester, you will validate security controls around web resources and mobile applications and their backend web services for TikTok. Work with a team of security testing professionals to enhance existing services offerings and security testing capabilities and conduct hands on technical testing focused on identification of OWASP type vulnerabilities in both web application and mobile applications.

To succeed in this role the candidate will possess breadth and depth of knowledge in security of operating systems, networking and protocols, firewalls, databases and middleware applications, forensics, scripting and programing. All Application Security Penetration Testers are expected to continuously improve their tradecraft through research, to add breadth and depth to their knowledge a part of the Offensive Security Operations team.

In order to enhance collaboration and cross-functional partnerships, among other things, at this time, our organization follows a hybrid work schedule that requires employees to work in the office 3 days a week, or as directed by their manager/department. We regularly review our hybrid work model, and the specific requirements may change at any time.

- Develop/modify custom tooling to solve new needs
- Build relationships with engineering teams
- Conduct full exploitation operations in Windows and *nix environments
- Develop comprehensive and accurate reports and presentations for both technical and executive audiences
- Communicate findings and strategy to client stakeholders, including technical staff, executive leadership, and legal counsel
- Perform innovative research and promote an environment of innovation and knowledge sharing
- Perform web application testing, mobile application testing, network penetration testing, and source code reviews
- Utilize attacker tools, tactics, and procedures to perform analysis and identify vulnerabilities
- Implement static and dynamic security testing as part of an automated application security testing process
- Other Cybersecurity operational and project initiatives responsibilities to be assigned


Minimum Qualifications:
- Bachelors' Degree or industry equivalent work experience in IT, Computer Engineering or a similar field
- 5+ years of experience performing application penetration tests
- Well-rounded background in application, network, and system security
- Experience with using, administering, and troubleshooting different flavors of Linux
- Experience working in Windows environments
- Experience with reading, writing, and editing code written in various programming languages, such as Perl, Python, Ruby, Bash, C/C++, C#, and Java

Preferred Qualifications:
- Industry certifications such as OSCP, OSCE, OSWE, GPEN, GCIH, GWAPT, or GXPN
- Contributions to the security community such as research, public CVEs, bug-bounty recognitions, open-source projects, blogs, publications, etc
- Experience with server administration, TCP/IP networking, vulnerability identification and exploitation, vulnerability exploit code development, offensive security operation coordination and communication, vulnerability tracking and remediation, mobile testing
- Experience with methodologies on both static and dynamic analysis for different application types and platforms
- Experience working with Web Application Firewalls
- Securing, testing, having a good understanding of API vulnerabilities and how to address them

D&I Statement
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.

Accommodation Statement
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

Data Security Statement
This role requires the ability to work with and support systems designed to protect sensitive data and information. As such, this role will be subject to strict national security-related screening.


Client-provided location(s): Washington, DC, USA
Job ID: TikTok-7104126959869741343
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.