Senior Cloud Security Engineer

Exawizards Minato-ku, Tokyo
  • 💴 ¥7.1M ~ ¥13.1M annually
  • 🏡 Partially remote
  • 🧪 3+ years experience required
  • 💬 Business Japanese
  • 🗾 Japan residents only
  • 🧳 No relocation support
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About Exawizards

Exawizards Minato-ku, Tokyo

Exawizards is a technology company focused on addressing societal challenges through artificial intelligence. By developing AI platforms and products, we target both industry-specific problems and broader societal issues, such as those posed by an aging population.

Key benefits

  • Cutting-edge AI technologies
  • Fast-paced setting

About the position

Our Security Department is committed to enabling innovation and developer experience while safeguarding the AI-driven products and services that ExaWizards builds. We work at the forefront of corporate and cloud security, network resilience, and governance to ensure our infrastructure and products remains secure, compliant, and robust. Our team collaborates closely with engineers and stakeholders across the company to build scalable, security-first architectures that empower solutions to real-world challenges. If you are passionate about security and want to work on cutting-edge technology with real societal impact, we’d love to hear from you.

As a Senior Cloud Security Engineer at ExaWizards, your mission will be to establish and enforce best-in-class security practices across our entire ecosystem. You will play a critical role in strengthening our overall security posture, guiding and mentoring team members, and ensuring our security frameworks align with industry standards and regulatory requirements. Your expertise in both English and Japanese will allow you to bridge security efforts across teams and stakeholders, driving company-wide security initiatives effectively.

Responsibilities

  • Work with a multi-cloud environment hosting an extremely diverse variety of applications and architectures.
  • Gain leadership experience, being responsible for the company’s cloud security posture.
  • Drive company-wide security initiatives, contributing to the development of a security-first minset within the company.
  • Solve real-world security challenges in a fast-paced, dynamic tech environment.

Requirements

  • 3+ years of experience in cloud security, with a strong focus on AWS.
  • Strong communication and leadership skills, with experience mentoring junior engineers.
  • A firm grasp on both English and Japanese (Business level or higher).
  • A proven track recording working with identity and access management (IAM), network security, and cloud compliance.
  • Experience in monitoring and responding to security incidents in cloud environments.
  • Well-versed in application security, including activities such as white box testing/source code review.
  • Business level Japanese

Nice to haves

While not specifically required, tell us if you have any of the following.

  • Security certifications such as AWS Certified Security - Specialty, CISSP, CEH, OSCP, etc.
  • Previous experience working in a company with a focus on AI-powered product.
  • Knowledge of zero-trust architectures and cloud-native security solutions.
  • A deep understanding of Kubernetes security best practices.
  • Hands-on experience with security automation and Infrastructure as Code.

Compensation

7.08 to 13.08 million JPY annually.

Hiring Process

  1. 1

    CV Screening

  2. 2

    Coding Test

  3. 3

    First Interview

  4. 4

    Second Interview

  5. 5

    Final Interview

APPLY FOR THIS POSITION
DO YOU NEED MORE INFO?
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Meet Exawizards's Developers

Hsiang-Hao Yu describes how his small team developed ExaWizards’s enterprise AI product, and what kind of developers he wants to work with now.

Read their story...

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