Job Details

¥10000000 - ¥13000000 per annum
Job Type
Yasuko Ono
Contact email
Email Yasuko
about 1 month ago


  • Act as a Customer Security Advisor, conducting threat-hunting activities and performing security assessments on customer networks. Effectively communicate findings, recommendations for remediation, and mitigation strategies to customers
  • Serve as an escalation point for the SOC analysts, assisting in the investigation, analysis, and response to security incidents
  • Develop cyber kill-chain indicators of an attack and hunting heuristics to enhance the ongoing threat-hunting process
  • Enhance the product accuracy and its capacity to detect emerging threats within the dynamic security landscape

Requirements and skills
  • Proven hands-on experience in the cybersecurity industry
  • Excellent customer service skills
  • Strong knowledge of networking architecture and protocols, including TCP/IP, DNS, SSL, SMB, HTTP, IP Routing, etc.
  • Comprehensive understanding of the cybersecurity landscape, common threats, and attack scenarios, such as malware infections, command and control (C&C) communication, drive-by attacks, phishing, and network scans
  • Practical experience with security technologies, including firewalls (FW), intrusion prevention systems/intrusion detection systems (IPS/IDS), antivirus (AV), security information and event management (SIEM) systems, endpoint protection, and network forensics tools
  • Analytical mindset, capable of formulating hypotheses and validating them through in-depth analysis and technical evidence
  • Fluent in English with exceptional communication skills
  • Proficiency in at least one scripting language such as Python or Ruby
  • Advantageous: Experience with Extended Detection and Response (XDR) solutions
  • Advantageous: Previous experience working in Managed Security Service Provider (MSSP) or Managed Detection and Response (MDR) providers as a Threat Hunter or Security Analyst
  • Ability to work effectively as a team player, demonstrating responsibility and strong organisational skills
  • Native Japanese and Fluent English