IT Security Consultant Cyber Security Technical Specialist

Join EIREs Information Security and Managed Services practice in Tokyo as an IT Security Consultant / Cyber Security Technical Specialist helping clients strengthen their cyber security posture and operational resilience.
Youll blend consulting technical assessments security operations support and infrastructure hardening working directly with client stakeholders to identify risk close gaps and implement practical security controls across networks cloud and endpoints.

If youve built a solid foundation in infrastructure networking systems administration and/or end-user computing and want to specialize in cyber security consulting this is your next step.

• Consulting & Assessments Run security health checks and vulnerability assessments coordinate pen testing and recommend remediation strategies.
• Security Operations Support SOC monitoring investigate alerts and incidents and help refine incident response procedures.
• Infrastructure Hardening Secure networks Azure/M365 environments Windows endpoints and identity platforms (Entra ID).
• Managed Services Collaborate with infrastructure andsupport engineers provide security input on change management and deliver clear professionally writtenclient reports.
• Client Engagement Present findings to technical and non-technical stakeholders; travel to client sites across Tokyo as needed.

• Bachelors degree in Cyber Security Computer Science IT Network Engineering or related field.
• Experience in IT infrastructure sysadmin networking end-user computing IT ops or cyber security.
• Working knowledge of TCP/IP networking Windows Active Directory/Entra ID Microsoft 365 Azure Purview Intune and IAM/incident response fundamentals.
• Familiarity with ISO 27001 and risk management concepts.
• Bilingual Japanese-English strongly preferred youll work with local stakeholders and multinational clients alike.
• Professional client-facing communication skills includingstrong written documentation and report-writing.
• Nice to Haves: Hands-on vulnerability management/pen testing SOC experience Microsoft security solutionscloud security technologies and/or certs like Security CISSP CEH SSCP GIAC or Azure Security Engineer Associate.

EIRE Systems is a well-established independent IT services provider with an international culture and a diverse long-standing client list across Japan and APAC. This is a genuinely varied role assessment consulting operations and engineering all in one seat with real client exposure modern cloud/security tech and room to grow within an expanding security practice alongside experienced infrastructure and delivery professionals.

If youre a technically sharp IT professional ready to move from fixing problems to shaping security strategy wed love to hear from you.