CSIRTエンジニア at PayPay

PayPay, a leading fintech company with over 67 million users, is seeking a CSIRT Engineer to join its CSIRT unit. This role involves safeguarding the company's expanding services and infrastructure against evolving cyber threats. The CSIRT Engineer will play a crucial part in maintaining a secure environment for PayPay's users and stakeholders.

The company values diversity and innovation and is seeking a professional who is passionate about tackling challenges and fostering collaboration.

Role Involves:

• Performing CSIRT (Computer Security Incident Response Team) duties.
• Analyzing alerts (Tier2).
• Conducting threat hunting through integrated log analysis.
• Designing and improving security-related systems and tool rules.
• Collecting, disseminating, and promoting responses to vulnerability information.
• Exchanging information and cooperating with internal and external organizations, companies, and groups.
• Strengthening cyber resilience using threat intelligence.
• Conducting forensic investigations and malware analysis.
• Investigating and responding to phishing sites.

Requirements:

• 2+ years of practical experience in cybersecurity.
• Experience in coordination with multiple departments or equivalent communication skills.
• English communication skills (daily conversation level or higher, with emphasis on reading and writing) - desirable.
• Understanding of cloud services (AWS, GCP, etc.) and experience in construction/operation - desirable.
• Experience in financial institutions or payment companies - desirable.
• Knowledge of NIST Cybersecurity Framework - desirable.
• Knowledge of MITRE ATT&CK - desirable.
• Experience in forensic investigation and malware analysis - desirable.

What PayPay Offers:

• Opportunity to maximize experience and create rapid outputs.
• Experience in designing and modeling attack predictions through threat intelligence and analysis.
• Opportunities for collaboration, skill enhancement, and job changes with the SOC team/red team.