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

$119,000 - $237,500/Yr

Tiktok - Seattle, WA

Full-time - Mid Level

Hybrid - Seattle, WA

Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services

About the position

The Penetration Tester role within TikTok's U.S. Data Security (USDS) division focuses on offensive security operations, including network, cloud, and application security. The primary purpose of this position is to proactively identify vulnerabilities and misconfigurations through cyber threat simulations and penetration testing. The role involves validating security controls around web and mobile applications, enhancing security testing capabilities, and collaborating with engineering teams to strengthen TikTok's security posture.

Responsibilities

• Develop/modify custom tooling to solve new needs
• Build relationships with engineering teams to strengthen TikTok's security state
• 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

Requirements

• Bachelor's Degree or industry equivalent work experience in IT, Computer Engineering or a similar field
• 3+ 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
• Experience with Burp Suite Pro, including identification and usage of relevant plugins
• Experience with security assessment tools, including Nessus, Accunetix, Metasploit, or Cobalt Strike
• Experience with conducting reverse engineering on mobile applications, including applications with anti-emulator and obfuscation protections

Nice-to-haves

• 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

Benefits

• Paid parental leave
• Health savings account
• AD&D insurance
• Paid holidays
• Disability insurance
• Health insurance
• Dental insurance
• Flexible spending account
• RSU
• Paid time off
• Parental leave
• Employee assistance program
• Vision insurance
• 401(k) matching
• Paid sick time