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Senior Manager, Public Cloud Security - Cyber Security Defense Department (CSDD)

Tokyo, Japan💼 Full-time🗓 2026-09-16 → 2026-09-25

Core

Define and scale Rakuten's Public Cloud Security program, establishing strategy, operating models, and automation to protect global internet services while enabling development teams.

Role type

Senior Manager, Public Cloud Security (Strategy & Operations)

Builds

Scalable cloud security guardrails, automated risk detection/response, and centralized visibility platforms

Domain

Public Cloud Security, Cyber Defense, Enterprise IT Governance

Deliverable

production ML models | product features | dashboards & analysis | infrastructure

Required skills

Public cloud security strategy, team leadership, security automation, cloud governance, stakeholder influence, risk management, identity/access management, security monitoring, vulnerability management, cloud-native security

Preferred skills

CSPM, CNAPP, CIEM, security-by-design, cloud transformation, ISO 27001/PCI DSS/NIST frameworks

Technologies

Cloud security platforms, automation tools, security workflows

Responsibilities

Define and execute public cloud security strategy and roadmap; build and lead a high-performing security team; drive adoption of security solutions and automation; establish security guardrails and self-service capabilities; partner with engineering to embed security into workflows; provide executive visibility into security risks and compliance.

Seniority

Senior Manager, hands-on leadership

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