Senior Network Security Engineer - USDS

Responsibilities 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. 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. Team Intro You will be a part of the Network Security Operations team responsible for Cyber Defense and Engineering. The Network Security Operations team's primary focus is management of security and defense platforms, technologies, tools, and services supporting security controls across TikTok's environments. As a Network Security Operations Specialist, you will be responsible for supporting cross-functional teams including cyber, privacy, and data protection engineers, architects, and analysts to deploy, integrate, and manage technologies to support the security and protection of data in accordance with relevant geographical regulations, contractual commitments, and confidentiality requirements. 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 - Must be skilled in conducting technical analysis of network security and business problems, as well as threats, incidents, investigations, workforce protection, and other general security-related issues. - Must have the ability to communicate well, participate in coordinating response and defensive actions over a variety of security disciplines, and disseminate security information as appropriate in support of TikTok's critical business, go to market, and operational infrastructure needs. - Possess in-depth knowledge of network architecture, troubleshooting, and security protocols. You will play a key role in designing, implementing, and maintaining our network systems, ensuring seamless performance and secure connectivity. - Network Security Design & Implementation: Develop, deploy, and maintain security architectures, including firewalls, VPNs, IDS/IPS systems, and network access controls. - Threat Monitoring & Analysis: Continuously monitor network traffic, logs, and alerts to identify and respond to security threats in real-time. - Incident Response: Investigate and respond to security breaches and incidents; perform root-cause analysis and implement corrective actions. - Vulnerability Assessment: Conduct regular vulnerability assessments, penetration tests, and security audits to identify and address potential risks. - Security Policies & Procedures: Develop and enforce security best practices, protocols, and policies for network security operations. - Compliance & Risk Management: Ensure network security compliance with relevant regulatory requirements (e.g., GDPR, HIPAA, PCI-DSS). - Security Upgrades & Patching: Maintain the latest security patches and updates across all network systems and devices. - Collaboration & Training: Work closely with IT teams, developers, and management to strengthen security posture; provide guidance and training to other employees on security practices. - Documentation: Maintain detailed documentation of security configurations, incidents, processes, and troubleshooting procedures. Qualifications Minimum Qualifications: - Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or a related field. - Experience: 5 years of experience in network security, with a proven track record of designing and implementing security solutions. - Technical Skills: - Deep knowledge of network protocols, architecture, and security technologies (firewalls, VPN, IDS/IPS, DLP, etc.). - Experience with security monitoring tools (SIEM, packet sniffers, etc.). - Proficiency in performing penetration testing and vulnerability assessments. - Familiarity with operating systems (Windows, Linux) and cloud security platforms (AWS, Azure). - Knowledge of encryption, authentication, and authorization protocols. - Strong ability to identify and mitigate risks, troubleshoot network issues, and make sound decisions under pressure. - Excellent verbal and written communication skills to effectively communicate security concepts to technical and non-technical stakeholders. - Travel: Open to travel as needed. Preferred Qualifications: Certifications: - Certified Information Systems Security Professional (CISSP) - Certified Ethical Hacker (CEH) - Cisco Certified Network Professional Security (CCNP Security) - Certified Information Security Manager (CISM) - Any Cloud Security Certifications , Certificate of Cloud Security Knowledge (CCSK) 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 https://shorturl.at/ktJP6 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.