Senior it security operation engineer

Responsibilities TikTok is the leading destination for short-form mobile video. Our mission is to inspire creativity and bring joy. TikTok has global offices including Los Angeles, New York, London, Paris, Berlin, Dubai, Singapore, Jakarta, Seoul and Tokyo. 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 Introduction TikTok s IT security team is responsible for enterprise IT global cyber security, server security, endpoint security, application security construction, and protection work. They work to improve overall IT security capabilities and security posture, providing security processes, security assessments, security operations, and security vulnerability management services. The team also supports IT teams and business departments in meeting their security requirements. Responsibilities: Primary responsibility will be to oversee the operation and maintenance of various security tools and systems used to protect our organization s information assets. Responsible for the planning, implementation and optimization of security tools. Monitor and maintain IT security infrastructure, including firewalls, IDS, EDR, DLP, CASB, SWG and other security technologies. Perform regular maintenance tasks, such as updating signatures, patching security tools, and fine-tuning configurations to ensure optimal performance. Analyze security alerts and incidents generated by security tools, triage and investigate potential security breaches, and take appropriate action to mitigate risks. Collaborate with internal teams to identify and implement improvements in security tool operations and configurations. Maintain accurate records of security tool activities, incidents, and investigations for reporting and auditing purposes. Stay updated with the latest security threats, vulnerabilities, and industry best practices related to security tool operations. Work with other teams within the organization to ensure that security policies and procedures are followed. Assist in the deployment and implementation of new security tools and technologies as required. Assist in responding to security incidents and resolve them in a timely manner. Assist in developing and maintaining security documentation, including policies, procedures, and guidelines. Qualifications Bachelor s degree in Computer Science, Cyber Security, or related field. At least 3 years of in-house experience working in a cyber security role. Proven experience working with security tools, such as FW, IDS/IPS, EDR, DLP etc. security monitoring tools. Strong analytical skills with the ability to identify and investigate security events effectively. Knowledge of incident response processes and procedures. Excellent problem-solving skills and ability to work independently and in a team environment. Strong communication skills and ability to explain technical concepts to non-technical stakeholders. Relevant certifications, such as CISSP, CISA, CIW are preferred. Programming ability and tools operation automation are preferred. 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.