Security Architect (Cloud Monitoring & Response) - Product Security Section, Cyber Security Defense Department (CSDD)

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勤務地: 東京都
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雇用形態: 記載なし

どんな仕事かAIによる生成

Rakuten’s Cyber Security Defense Department is responsible for safeguarding Rakuten companies and users from cyber threats and securing its global internet services. The Security Architect will lead the design of global cloud security monitoring and incident response infrastructure, including security monitoring platforms, detection patterns, and automated response frameworks.

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応募資格

必須

More than 10 years in IT/Security, with at least 5 years in Security Architecture, specifically focusing on SOC infrastructure or large-scale monitoring systems
Deep expertise in architecting security for multi-cloud environments (private cloud, AWS, GCP, Azure)
Extensive experience designing and scaling SIEM/Log Management platforms (e.g., Splunk, Chronicle, Elastic, Sentinel)
Proven experience designing SOAR or custom automated response workflows for large-scale production environments
Understanding of data pipelines, streaming technologies (e.g., Kafka), and the challenges of high-volume telemetry ingestion
Exceptional ability to translate complex security architectural requirements into actionable roadmaps for engineering teams and business stakeholders
Strong knowledge of MITRE ATT&CK, NIST, or similar frameworks as they apply to detection and response architecture
English (総合 - 3 - 上級)

歓迎

Experience connecting private cloud/on-premise data centers to public cloud security monitoring architectures
Background in software development or systems engineering; ability to "code" as part of the architectural design process
Experience working in highly regulated, global industries (FinTech, E-commerce, Telecom)
TOGAF, CISSP-ISSAP, or advanced cloud-architect certifications

募集要項最終確認 11/12

職種: セキュリティエンジニア
雇用形態: 記載なし
給与: 記載なし
勤務地: 東京都
働き方: 記載なし
経験年数: 10年以上
掲載日: 2026/07/30 21:24（106日前）
最終確認: 2026/11/12 21:35（1日前）

仕事内容

Position Details

To design and evolve a world-class security monitoring and response ecosystem that provides deep observability and rapid defense capabilities across Rakuten’s global hybrid cloud infrastructure, ensuring our ecosystem is both secure by design and resilient by default.
We are looking for a visionary Security Architect to lead the design of our global cloud security monitoring and incident response infrastructure. You will be the technical authority responsible for creating the blueprint for how we ingest, analyze, and act upon security telemetry for our private cloud environments. You will bridge the gap between high-level security strategy and technical implementation, ensuring our platforms are capable of detecting and neutralizing advanced threats at scale.
Design and architect the next-generation security monitoring platform (SIEM/Data Lake/SOAR) capable of handling massive telemetry volume across a global, private cloud footprint
Define the architectural patterns for high-fidelity detection, ensuring that security logs, cloud-native telemetry, and endpoint data are effectively correlated
Architect the automated response framework (SOAR) to ensure we can contain threats at machine speed, minimizing the impact of incidents on production
Collaborate with SRE and Cloud Platform teams to embed "Security Observability" into our infrastructure, ensuring we have the visibility required for modern threat hunting
Evaluate and select security technologies (commercial and open-source) that align with Rakuten’s scale, latency requirements, and long-term security goals
Establish global architectural standards for logging, monitoring, and response to ensure consistency across all Rakuten business units

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