Senior IAM Engineer - Identity & Access Management Lead | Tokyo

Are you an experienced Senior IAM Engineer or Identity and Access Management (IAM) Lead looking to advance your career in cybersecurity within the financial technology industry?

Join a global financial technology company operating at the intersection of investment banking, trading technology, and digital asset infrastructure.

As a Senior IAM Engineer / IAM Lead, you will play a critical role in strengthening enterprise identity security, privileged access controls, cloud security, and identity governance across the organization.

You will design, implement, and manage Identity and Access Management (IAM) solutions, including Single Sign-On (SSO), Multi-Factor Authentication (MFA), Privileged Access Management (PAM), and Identity Governance and Administration (IGA).

The role combines hands-on security engineering with technical leadership, automation, and cross-functional collaboration. You will work closely with cybersecurity, infrastructure, engineering, and global technology teams to improve security controls, reduce identity-related risks, and build scalable access management solutions.

You will also leverage cloud technologies, scripting, and Infrastructure as Code (IaC) to automate IAM processes and enhance operational efficiency.

Based in Tokyo, this is an excellent opportunity for an experienced cybersecurity professional with strong Japanese and English communication skills to contribute to a fast-growing international financial technology organization.

Key Responsibilities

• Identity and Access Management (IAM) Engineering: Design, implement, maintain, and optimize enterprise IAM solutions to ensure secure and efficient user authentication, authorization, and access management.
• Single Sign-On (SSO) & Multi-Factor Authentication (MFA): Develop and manage secure authentication solutions using technologies such as Okta, Microsoft Entra ID, SailPoint, and related identity platforms.
• Identity Federation & Authentication Protocols: Implement and support identity integration using SAML, OAuth 2.0, and OpenID Connect (OIDC).
• User Provisioning & Access Governance: Manage identity lifecycle processes, user provisioning and deprovisioning, access permissions, and identity governance controls.
• Privileged Access Management (PAM): Implement and maintain PAM solutions to secure administrator accounts, sensitive systems, and privileged access.
• Cloud Identity Security: Manage and strengthen identity and access controls across AWS and other cloud platforms, including Azure and Google Cloud where applicable.
• IAM Automation & Infrastructure as Code: Automate identity management processes using Python, PowerShell, Bash, Terraform, and other scripting or infrastructure automation technologies.
• Least-Privilege Access & Security Controls: Implement and enforce access control policies based on least-privilege principles to reduce unauthorized access and security risks.
• Security Compliance & Audit Support: Strengthen IAM governance, maintain appropriate access controls, and support security audits and compliance requirements.
• Technical Troubleshooting: Investigate and resolve complex IAM, authentication, authorization, and privileged access issues.
• Cross-Functional Security Collaboration: Work with cybersecurity, infrastructure, cloud engineering, and application development teams to improve identity security across enterprise systems.
• IAM Process Improvement: Identify opportunities to enhance IAM architecture, automate repetitive tasks, strengthen controls, and improve overall security operations.
• Technical Ownership: Take ownership of IAM engineering initiatives and drive security improvements from design through implementation and ongoing operations.

Required Skills and Qualifications

Experience:

• 5-7+ years of hands-on experience in Identity and Access Management (IAM) engineering, including the design, implementation, and management of enterprise IAM solutions.
• 5-7+ years of practical experience with IAM platforms such as Okta, Microsoft Entra ID, SailPoint, or comparable enterprise identity management technologies.
• Strong technical knowledge of Single Sign-On (SSO), Multi-Factor Authentication (MFA), SAML, OAuth 2.0, and OpenID Connect (OIDC).
• Hands-on experience implementing and managing Privileged Access Management (PAM) solutions, including privileged account protection, access permissions, and least-privilege controls.
• Experience with cloud identity and access security, particularly AWS, with exposure to Azure or Google Cloud also relevant.
• Practical scripting and automation experience using Python, PowerShell, or Bash.
• Experience using Infrastructure as Code (IaC) or automation tools such as Terraform to improve IAM security and operational efficiency.
• Strong understanding of identity governance, security controls, access management policies, audit requirements, and IAM troubleshooting.
• Experience working with complex enterprise infrastructure and collaborating with cybersecurity and engineering teams.
• Must currently be based in Japan.
• Bachelor's degree or equivalent educational qualification.

Soft Skills:

• Excellent communication and stakeholder management skills, with the ability to collaborate effectively with cybersecurity, infrastructure, engineering, and international technology teams.
• Strong analytical thinking and problem-solving abilities, particularly when troubleshooting complex identity and access security issues.
• Proactive and security-focused mindset, with the ability to identify vulnerabilities, improve controls, and recommend practical solutions.
• Strong sense of ownership and accountability for IAM engineering projects, operational reliability, and security improvements.
• Ability to work independently while contributing effectively to cross-functional security initiatives.
• Adaptability and resilience in a fast-paced, technology-driven international environment.
• Strong organizational skills and the ability to prioritize multiple technical projects and security requirements.
• Commitment to continuous improvement, automation, and maintaining high cybersecurity standards.

Language Requirements:

• Japanese: Fluent level - required for communication with Japan-based technology teams, internal stakeholders, and security-related business functions.
• English: Fluent level - essential for collaboration with global engineering teams, international cybersecurity stakeholders, and cross-border technical projects.
• Fluent written and verbal communication skills in both Japanese and English are mandatory.

Preferred Skills & Qualifications

• 6+ years of experience in cybersecurity, IAM engineering, identity security, or enterprise access management.
• Previous experience as a Senior IAM Engineer, IAM Lead, Identity Security Engineer, PAM Engineer, or Cybersecurity Engineer.
• Professional experience within investment banking, financial services, fintech, trading technology, or another highly regulated industry.
• Advanced expertise in Okta, Microsoft Entra ID, SailPoint, or other enterprise IAM and identity governance platforms.
• Experience designing or improving enterprise-wide Privileged Access Management (PAM) frameworks.
• Strong understanding of AWS IAM, cloud identity security architecture, and access governance across hybrid or multi-cloud environments.
• Experience automating security workflows using Terraform, Python, PowerShell, or Bash.
• Familiarity with Identity Governance and Administration (IGA), access certification, identity lifecycle management, and compliance-related access controls.
• Experience supporting security audits, regulatory requirements, and identity-related risk management in complex organizations.
• Track record of improving IAM architecture, authentication security, privileged access controls, or identity automation.
• Experience collaborating with global cybersecurity teams and supporting security initiatives across multiple regions.

About the Company

Our client is a global financial technology company operating at the intersection of traditional financial services and emerging digital markets.

The organization focuses on innovative investment solutions, trading technology, and digital asset infrastructure, combining financial expertise with advanced technology to support its international business operations.

Operating in a rapidly evolving financial technology environment, the company emphasizes secure, scalable, and resilient technology infrastructure.

With a global workforce and an international business model, the organization provides opportunities for technology and cybersecurity professionals to work on complex security challenges involving financial systems, cloud environments, and enterprise identity management.

Joining this company offers the opportunity to strengthen critical security capabilities while contributing to the continued development of sophisticated financial technology solutions.

Why You'll Love Working Here

• Highly Competitive Compensation: Annual salary of ¥14M-¥17M, reflecting the technical expertise and responsibility required for this senior IAM position.
• Cutting-Edge Cybersecurity Technology: Work with enterprise IAM platforms, cloud identity security, PAM solutions, and automation technologies.
• Senior-Level Technical Ownership: Take responsibility for important identity security initiatives and contribute directly to enterprise cybersecurity improvements.
• Global Financial Technology Environment: Gain exposure to investment banking technology, trading platforms, and digital asset infrastructure.
• International Collaboration: Work closely with cybersecurity, infrastructure, and engineering teams across global markets.
• Advanced IAM Engineering Opportunities: Strengthen your expertise in SSO, MFA, IAM, PAM, IGA, cloud security, and identity automation.
• Challenging Technical Projects: Solve complex identity and access security problems while improving authentication, access governance, and operational resilience.
• Automation & Innovation: Apply scripting and Infrastructure as Code to improve security processes and develop scalable IAM solutions.
• Career Growth in Cybersecurity: Build your technical leadership capabilities within a fast-growing international financial technology company.
• Flexible Working Culture: Benefit from workplace arrangements that may include flexible working hours and limited overtime, depending on business and operational requirements.

Don't Miss Out - Apply Now!