ICT Security Operations & Incident Response Specialist (CSIRT/CERT)

Information Security Operations (Security Response & Incident Management) Job Overview • Operate Computer Security Incident Response Team (CSIRT) • Manage Attack Surface Management (ASM); conduct security vulnerability assessments and remediation support • Plan and execute security training and exercises; manage IT assets and patches; collect and leverage threat intelligence • Operate cloud service application approval system; provide technical support and information dissemination to domestic and overseas group companies • Analyze, investigate, and recover from security incidents, and develop recurrence prevention measures. Required Skills & Experience • Japanese (business) and English (business) to communicate with HQ in Japan • 3+ years of experience in network, server, and cloud service (AWS, Azure, etc.) infrastructure design, deployment, and operations • Experience with security incident response and CSIRT operations • Hands-on experience with IT asset management and patch management • Experience collecting and leveraging threat intelligence • Experience with security vulnerability assessment and handling (discovery, validation, remediation recommendations) • Experience planning and conducting security training and exercises • Experience coordinating across departments and driving projects in large organizations • Information security certifications (CISSP, CISM, Registered Information Security Specialist, CompTIA Security+, etc.) Preferred Skills & Experience • Experience with security operations in multinational/global organizations • Cloud and endpoint management skills (SaaS/IaaS log operations, etc.) • Work experience in the IT industry (SI vendors, technology vendors, etc.) • Experience developing internal policies and guidelines • Desired Qualities Soft Skills • Ability to explain and persuade based on the audience's perspective and knowledge level • Proactive attitude and self-starter mindset • Strong collaboration skills with ability to value teamwork and project harmony, and build balanced relationships