Security Engineer (Security Posture Analysis) - Offensive Security Operations - USDS

Mountain View, CA, United States

Responsibilities

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.

Why Join Us

At TikTok, our people are humble, intelligent, compassionate and creative. We create to inspire - for you, for us, and for more than 1 billion users on our platform. We lead with curiosity and aim for the highest, never shying away from taking calculated risks and embracing ambiguity as it comes. Here, the opportunities are limitless for those who dare to pursue bold ideas that exist just beyond the boundary of possibility. Join us and make impact happen with a career at TikTok.

TikTok Offensive Security Operation team is seeking a Security Engineer (Security Posture Analysis). This team will work with the Risk & Compliance team and Control Owners to perform testing of the tools, technology and services (TTS) being introduced in the USDS environment. This testing effort will be done both from how the control framework is being applied to individual TTS and also to test how those TTS are performing and behaving as a security control within the environment.

To succeed in this role, the candidate will possess breadth and depth of knowledge in secure coding principles, security architecture, hardening of operating systems, networking protocols, firewalls, databases and middleware applications, forensics, scripting and programing.

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.

Responsibilities:

- Collaborate with cross-functional control owners to stress test the controls being applied and implemented on TTS in the USDS environment.

- Consult and provide guidance for the design and implementation of key security and compliance controls.

- Construct technical test cases, collect evidence, perform hands on technical testing. Work with Control Owners to evaluate the design, effectiveness, and completeness of controls.

- Look for automation opportunities to automate testing and monitoring efficiency of controls on an ongoing basis.

- Provide feedback to the Risk & Compliance team and the Control Owners around the security control and processes being implemented. Augment the Control Framework and Risk Management Framework from an attacker's point of view.

- Synthesize and report findings, develop remediation recommendations, and track implementation through to completion

- Provide risk-appropriate and pragmatic recommendations to correct identified flaws, vulnerabilities and misconfigurations

- Utilize attacker tools, tactics, and procedures to perform analysis and identify vulnerabilities and mis-configurations

Qualifications

Minimum Qualifications:

- Bachelors' Degree or industry equivalent work experience in IT, Computer Engineering, Cybersecurity or a similar field

- Minimum 5+ years of IT risk, pentest and security controls experience

- Strong writing and documentation skills; you are clear, concise, confident, and unafraid to present your ideas

- Communicating well as this role will require a lot of cross functional collaboration

- Flexible to travel as the need arises to perform testing on-site e.g. Data centers, office locations etc. (Estimated Frequency: once in 2-3 months)

- Demonstrated teamwork and collaboration skills, in particular in working with or contributing to multi-functional teams

- Controls Testing

- Familiarity in IT and security domains (Identity and Access Management, Configuration Management, Vulnerability Management, Incident Management, etc.) and familiarity with technologies and tool stacks across these domains

- Skills in control evaluation and design and working knowledge of industry leading security standards (i.e., ISO, NIST)

- Experience performing internal/external control testing as security control assessor or supporting security compliance as internal compliance resources of physical and cloud infrastructure

- Experience in gathering technical control evidence from stakeholders, coordinating review, and analyzing artifacts received to ensure they meet the intent of the control requirements and demonstrate compliance

- Foundational knowledge of IT and security control frameworks (e.g., NIST-CSF, NIST 800-53, PCI-DSS, CIS Security Controls, ISO 27001, ISO 27017, etc.)

- Familiar with the usage of modern GRC tooling (i.e., Archer, ServiceNow)

- Pentesting

- 3+ years of experience performing penetration tests (i.e., Cloud, Web-application, mobile application and various network ecosystems)

- Conducting advanced penetration testing exercises (Network, Web Application, Mobile and Cloud)

- Experience with using, administering, and troubleshooting different flavors of Linux and 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 in various Operating Systems: Windows, *nix, MacOS, Android, iOS

- Experience with tools like Burp Suite Pro, SQLMap, Frida, Objection, Android Studio, XCode, MobSF, Drozer

- 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

- Knowledge of various cloud platforms (preferably OCI, Azure and AWS) and frameworks like OWASP Top 10 Web and Mobile

- Preferred Qualifications:

- Industry certifications such as OSCP, OSCE, OSWE, GPEN, GCIH, GWAPT, CISA, CDPSE, CISSP, CISM, CRIS 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 static analysis for different application types and platforms

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.

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 https://shorturl.at/ktJP6

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.