Security Engineer - Detection & Response (Japan, X Money)

About the job

Responsibilities

• Lead day-to-day security threat management.
• Identify and manage potential security incidents.
• Collaborate with partner teams on security threats.
• Support threat intelligence, threat hunting, intrusion detection, and incident response.
• Drive continuous improvement in security processes, procedures, and automations.
• Participate in a 24/7 on-call rotation for security incident response.
• Manage security incidents and update stakeholders.
• Identify and develop new detection use cases and optimize existing ones.
• Collaborate on technical directions and solutions with other teams.
• Research and analyze security event patterns across global infrastructure.
• Identify, design, and lead threat hunting missions.
• Manage and support log collection, security scanning, intrusion detection, and other security systems.
• Design and assist in developing automation to reduce false positives and handle events automatically.
• Analyze system security posture through testing and vulnerability impact analysis.

Requirements

• 2+ years of relevant information security experience.
• Ability to act as a self-starter and execute tasks with minimal supervision.
• Strong Python scripting skills for security automation.
• Knowledge of networking and operating systems (macOS, Windows, or Linux).
• Knowledge of cloud security fundamentals and practices (vendor agnostic).
• Experience managing and/or deploying security technology.
• Experience building queries and dashboards for security monitoring.
• Knowledge of current threats and techniques, with a desire to research and learn.
• Experience with malware analysis, forensics, or penetration testing.
• Strong problem-solving and troubleshooting skills.
• Experience with Elastic/OpenSearch or similar platforms.
• Experience with Open Source security automation tooling.