Tencent Overseas IT seeks a Security Software Engineer I to maintain and improve security infrastructure, protect against cyber threats, and ensure compliance. Responsibilities include monitoring security alerts (SIEM), analyzing and resolving incidents, conducting vulnerability assessments, identifying and remediating vulnerabilities, designing DevSecOps processes, implementing security measures for game products, collaborating with IT and other departments, and supporting security projects. The role requires familiarity with security tools, frameworks (NIST, ISO 27001, PCI DSS), CI/CD, and strong analytical and communication skills.