<p>Team Introduction The security engineering team is missioned to build security services, platforms and technologies, as well as to support cross-functional teams to protect our users, products and infrastructures. In this team you'll have a unique opportunity to have first-hand exposure to the strategy of the company in key security initiatives, especially in building scalable and secure-by-design systems and solutions. You also have opportunities to go through the whole lifecycle of security products or services, are encouraged to participate in each phase, each part of the projects and have the whole picture of what we are working on.</p> <p>We are looking for talented individuals to join our team in 2026. As a graduate, you will get opportunities to pursue bold ideas, tackle complex challenges, and unlock limitless growth. Launch your career where inspiration is infinite at ByteDance.</p> <p>Successful candidates must be able to commit to an onboarding date by end of year 2026. Please state your availability and graduation date clearly in your resume.</p> <p>Candidates can apply to a maximum of two positions and will be considered for jobs in the order you apply. The application limit is applicable to ByteDance and its affiliates' jobs globally. Applications will be reviewed on a rolling basis. We encourage you to apply as early as possible.</p> <p>Online Assessment Candidates who pass resume screening will be invited to participate in ByteDance 's technical online assessment.</p> <p>Job Responsibilities</p> <ul> <li>Ensure reliable operation of ultra-large-scale security infrastructure meeting strict SLAs </li><li>Design and develop automation platforms for security core systems, enhancing observability for rapid fault detection </li><li>Optimize service reliability, scalability, and performance through systematic improvements </li><li>Build automated solutions supporting rapid iteration of large-scale production clusters </li><li>Participate in OnCall rotation and collaborate with R&D teams on incident resolution </li></ul>