Senior Network Security Engineer - USDS

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.