Sr. IT System Security Engineer

OPPO US Research Center is seeking a highly skilled and hands-on Information Security Lead to take ownership of our data protection, cybersecurity, and information security programs. This individual will play a key role in preparing the company for CISA audits, implementing real-world security solutions, and supporting IT infrastructure operations as needed. Requirements Lead the preparation for CISA audits, ensuring compliance with data and information security requirements. Design, implement, and maintain hands-on cybersecurity solutions, including firewalls, endpoint protection, DLP, and identity/access management. Draft and enforce security policies, standards, and procedures aligned with U.S. best practices. Actively monitor, assess, and respond to security incidents, threats, and vulnerabilities. Conduct regular risk assessments, penetration tests, and vulnerability scans. Maintain security systems and documentation required for regulatory compliance . Serve as the liaison for cybersecurity initiatives across departments. Train staff on security awareness and best practices. Work closely with the IT team and contribute to IT infrastructure support, including Network administration, Helpdesk operations and Microsoft O365 tenant administration Qualifications Fluent in Chinese (spoken and written) Bachelor’s degree in Computer Science, Cybersecurity, or related field (Master’s preferred) 5+ years of hands-on experience in information security or cybersecurity roles Strong background in network, endpoint, and cloud security - Experience with CISA audit preparation and NIST compliance frameworks Familiarity with endpoint protection, and encryption Industry certifications preferred: CISSP, CISM, CEH, or GIAC Key Traits Strong hands-on technical skills and a proactive approach to problem solving Able to operate independently Clear communicator with ability to collaborate across cultures and time zones Benefits OPPO is proud to be an equal opportunity workplace. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or Veteran status. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements. The US base salary range for this full-time position is $100,000-$200,000 + bonus + long term incentives benefits. Our salary ranges are determined by role, level, and location.