Security Detection & Automation Engineer

掲載中・1日前に確認

給与: 記載なし
勤務地: 東京都
休日: 記載なし
雇用形態: 記載なし

どんな仕事かAIによる生成

楽天グループのプロダクトや本番システムを保護するSecurity Detection & Automation Engineerの募集です。検知ルールや自動対応ワークフローの開発、CI/CDへのセキュリティ対策の統合、脅威分析、ハイブリッドクラウド環境のセキュリティ検証、自社ツールやスクリプトの開発を担当します。

応募資格・募集要項・仕事内容を見る

この求人に応募

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募集元で応募する楽天グループ株式会社の採用ページへ

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応募資格

必須

More than 4 years of experience in security engineering, detection engineering, or incident response
Hands-on experience securing container orchestration (Kubernetes), virtualized environments and cloud-native environments (AWS, GCP, or Azure)
Strong proficiency in at least one language (Python, Go, or Ruby) for security automation and API integration
Experience developing detection rules in SIEM or EDR/Cloud security platforms
Proven ability to automate manual security tasks (SOAR or custom scripts)
Deep understanding of network protocols, OS internals (Linux/Windows), and web application architectures
Ability to work effectively in a global, cross-functional team and communicate complex technical concepts clearly
English (総合 - 3 - 上級)

歓迎

Experience mapping detections to frameworks like MITRE ATT&CK
Experience with CI/CD tools (Jenkins, GitLab CI, GitHub Actions) and security-as-code practices
Experience with identity-centric security and micro-segmentation
Relevant security certifications (e.g., GCIA, GDAT)

募集要項最終確認 10/26

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: 4年以上
掲載日: 2026/10/20 23:01（7日前）
最終確認: 2026/10/26 21:35（1日前）

仕事内容

Position Details

To deliver comprehensive cybersecurity by embedding robust security into the design, development, and delivery of Rakuten's products and protecting our production systems through high-fidelity detection, automated response, and scalable security engineering.
We are looking for a Security Detection & Automation Engineer to join our team. You will be responsible for building the "eyes and ears" of our security ecosystem. You will develop automated detection logic, engineer security-as-code solutions, and build response playbooks that protect our private cloud environment. Your goal is to reduce the time-to-detect and time-to-remediate through automation, ensuring our global services remain resilient against evolving threats.
Develop, tune, and maintain high-fidelity detection rules (SIEM/EDR/Cloud-Native tools) to identify malicious activity across our global hybrid cloud infrastructure
Design and implement automated workflows (SOAR) to respond to common threats, reducing manual toil for the security operations team
Partner with SRE and DevOps teams to integrate automated security guardrails into CI/CD pipelines
Proactively analyze logs, traffic patterns, and system telemetry to identify sophisticated threats that bypass traditional signature-based defenses
Build automated systems to verify the security posture of hybrid cloud configurations, ensuring continuous compliance and drift detection
Build custom internal tools or scripts (Python/Go) to bridge gaps in our security stack and improve visibility across our cloud ecosystem

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