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Cybersecurity Engineer

Sakana AI - Tokyo, Japan - Hybrid - posted 2026-08-18

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Sakana AI is seeking a Cybersecurity Engineer to design, build, and operate advanced security systems for AI-powered applications. This is a full-time, hybrid role based in Tokyo requiring business-level Japanese proficiency and English communication skills. Key Responsibilities: - Design and implement security controls including risk assessment, vulnerability management, incident response, and data protection - Enable secure development and operations through proactive security practices - Leverage generative AI to improve internal development and operational efficiency - Manage security aspects across compliance, system hardening, and data protection processes Required Qualifications: - Broad understanding of web application development and IT infrastructure - Hands-on experience implementing security controls in public cloud environments - Experience with large-scale enterprise system projects - Business-level Japanese language proficiency (interviews conducted in Japanese) - Business-level English communication ability Preferred Qualifications: - Cybersecurity consulting experience - Project or team management background - Security risk assessment and vulnerability assessment experience - Incident response operations experience - Penetration testing and threat modeling expertise - Security policy and guideline development experience - Background in financial services or government sectors - Security standards implementation and compliance experience (ISO 27001, etc.) - Knowledge of AI/ML product and service development Note: Sakana AI conducts defense-related business with the Japanese government. Candidates should review and align with the company's defense business policy before applying.

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