Jobs in Japan
Explore hand-picked jobs in Japan for English speakers across tech, education, marketing, and more.
Vetted companies only. Apply from overseas.
Explore hand-picked jobs in Japan for English speakers across tech, education, marketing, and more.
Vetted companies only. Apply from overseas.
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.
- 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
- 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)