Infrastructure & Security Engineer

beBit Chiyoda-ku, Tokyo
  • 💴 ¥6M ~ ¥9.5M annually
  • 🏡 Partially remote
  • 🧪 1+ years experience required
  • 💬 No Japanese required
  • 🗾 Japan residents only
  • 🧳 No relocation support

About beBit

beBit Chiyoda-ku, Tokyo

beBit is a consultant and engineer group that solves various challenges related to corporate digital transformation. We support companies from developing UX strategies and designing overall value journeys to individual service design, UX planning, and improvement tasks, providing end-to-end assistance.

About the position

We are looking for an analytical, results-driven Infrastructure & Security Engineer to join our Scrum team to work on a fast paced SaaS product that analyzes individual user behavior.

Why are we hiring?

Our client base is increasing every year, and our data volume is growing every month. We need to keep maintaining the performance while improving and adding new functionalities. Also, as we have aggressive business goals, we are looking for more great minds to join hands with us to grow together.

Challenges that we face:

  • Constantly think, improve values of our product to expand UX analytics market embracing new technologies.
  • Large offline data import processes, with latency constraints.
  • Near real-time processing of large datasets.
  • Data analytics of even greater volumes of data.
  • Processing bulk data through Machine Learning algorithms for clustering, and predictions.
  • Processing hundreds of millions of user sessions annually, imposes a significant challenge with respect to the design of its data structures, architecture, and domain logic.


  • Design, provision and maintain AWS resources using terraform.
  • Continuously improve EKS(Kubernetes) Clusters by performing regular upgrades, enhancing the process of deploying and maintaining workloads in EKS clusters.
  • Identify potential problems of infrastructure, propose possible solutions, and resolve the problem with a plan.
  • Develop, implement, and maintain security policies, procedures, and controls.
  • Conduct regular security assessments, vulnerability scans, and penetration testing.
  • Identify and address security risks, vulnerabilities, and gaps in the infrastructure.
  • Use your experience to make our infrastructure more reliable, scalable and secure.
  • Analyze the industry developments, trends, and formulate more efficient processes.
  • Keep our technology stack up to date.


  • Hands-on experience in designing, implementing, and maintaining scalable infrastructure in AWS/GCP using Infrastructure as Code (Terraform).
  • 1+ years of hands-on experience working with Kubernetes in production.
  • Expertise in leveraging Automation / DevSecOps principles and able to apply best practices for secure infrastructure and software deployment.
  • Expertise in security technologies such as firewalls, intrusion detection/prevention systems, VPNs, and SIEM.
  • Strong understanding of security best practices, standards, and compliance (e.g., CIS, NIST, ISO, GDPR).
  • Experience with Agile Scrum-based development process.
  • Willing to learn and explore new technologies.

Nice to haves

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

  • AWS or Kubernetes certificates.
  • Experience in administration of Apache Kafka, Apache Cassandra, MySQL on a large scale.
  • Build and optimize data processing architecture with AWS services (Glue, EMR, Athena, Lambda) or GCP (Firebase, Firestore, BigQuery).
  • Experience in setup of monitoring tools with high availability: Prometheus, Grafana, ELK stack.
  • Demonstrated experience with Cloud/Infra Cost Optimization.
  • Experience in Linux and Unix administration.
  • Experience with Python or Java (or any other JVM Languages).
  • Japanese language skills (listening, speaking, reading and writing).


6 to 9.5 million JPY annually.

Hiring Process

  1. 1

    CV Screening

  2. 2

    Technical Assessment Test

  3. 3

    First Interview with Engineering Manager (60 minutes)

  4. 4

    Second Interview with Product Owner (60 minutes)

  5. 5

    Third Interview with Head of Development (45 minutes)

  6. 6

    Final Interview with Vice President (30 minutes)

  7. 7

    Job Offer Meeting


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