職務内容

IT / SaaS product company in Japan, global working environment!

Full remote, international environment

 

 

■ Job Title

Infrastructure Engineer (Middle Level)

 

■ Company Overview

Our client is a fast-growing, product-driven IT company developing a flagship UX analytics platform used by a global customer base. The engineering team consists of 15+ talented IT engineers from more than 10 different countries, working in self-reliant, cross-functional Scrum teams.

They focus on building scalable, high-performance systems using modern cloud technologies and data-driven approaches, aiming to deliver simple solutions to complex problems while continuously adopting the latest tools and best practices.

 

■ Your Role and Responsibilities 

Design, provision, and maintain AWS infrastructure using Infrastructure as Code (Terraform).

Continuously improve and operate EKS (Kubernetes) clusters, including upgrades and workload deployment processes.

Identify potential infrastructure issues, propose solutions, and resolve problems in a structured manner.

Develop, implement, and maintain security policies, procedures, and controls.

Conduct security assessments, vulnerability scans, and support penetration testing activities.

Identify and mitigate security risks and infrastructure gaps.

Improve infrastructure reliability, scalability, and security through best practices.

Analyze industry trends and introduce more efficient infrastructure and DevOps processes.

Keep the technology stack modern and up to date.

 

■ Experience and Qualifications

Hands-on experience designing, implementing, and maintaining scalable AWS infrastructure using Infrastructure as Code (e.g., Terraform).

Experience with core AWS services such as S3, Glue, EKS, ECS, and Lambda.

1+ year of hands-on experience operating Kubernetes in production environments.

Familiarity with CI/CD tools and workflows, particularly GitHub Actions and Argo CD.

Strong understanding of DevOps best practices for secure and automated infrastructure and software delivery.

Experience working in Agile (Scrum-based) development environments.

Proactive mindset with a strong willingness to learn and adopt new technologies.

Intermediate-level English proficiency (listening, speaking, reading, and writing).

 

■ Additional Preferred Qualifications

AWS and/or Kubernetes certifications.

Experience administering large-scale systems such as Apache Kafka, Apache Cassandra, and MySQL.

Experience building and optimizing data processing architectures using AWS, GCP, or Azure services.

Experience with monitoring and observability tools such as Prometheus, Grafana, or ELK stack.

Experience in cloud and infrastructure cost optimization.

Knowledge of security technologies (firewalls, IDS/IPS, VPNs, SIEM).

Understanding of security frameworks and compliance standards (CIS, NIST, ISO 27001, GDPR).

Experience using AI-related tools in infrastructure or security operations.

Linux/Unix system administration skills.

Programming experience in Python, Java, or other JVM-based languages.

Japanese language proficiency is a plus.

 

■ Good Reasons to Join

Work in a truly international engineering team with diverse cultural and technical backgrounds.

Contribute to a rapidly growing SaaS product with a global customer base.

Tackle large-scale data, infrastructure, and security challenges.

Gain hands-on experience with modern cloud, Kubernetes, and data technologies.

Join an engineering-focused culture that values autonomy, ownership, and continuous improvement.

 

■ Work Location

Tokyo
Anywhere in Japan/ Full remote

 

■ Salary 

~8M