TOKYO, Japan Oracle ¥1,200,000 - ¥1,800,000 per year
Description

We are seeking a highly skilled Infrastructure Lead to architect, design, and deliver cloud-native infrastructure for COTS applications, with a focus on Oracle Billing and Revenue Management (BRM). The ideal candidate will have hands-on experience with cloud platforms—especially Oracle Cloud Infrastructure (OCI)—and strong bilingual (English and Japanese) communication skills to engage with customers, partners, and internal stakeholders. The role involves end-to-end infrastructure leadership, from design through operational readiness.

Responsibilities

Key Responsibilities:

  • Architecture & Design:
    • Architect and implement cloud-native infrastructure solutions for Oracle BRM and related COTS systems.
    • Design scalable, secure, and resilient infrastructure based on OCI and container-based architectures.
    • Ensure solutions comply with performance, cost, and regulatory requirements.
  • Collaboration & Stakeholder Engagement:
    • Engage with customers and partner infrastructure teams to align solutions with enterprise standards.
    • Collaborate with internal technical teams and project stakeholders to support end-to-end delivery.
    • Prepare infrastructure and operational documentation and lead customer review sessions for sign-off.
  • Operational Readiness:
    • Implement observability tools and dashboards for real-time monitoring and alerting.
    • Design and test disaster recovery (DR) solutions to meet business continuity goals.
    • Ensure operational best practices through the delivery of SOPs and infrastructure runbooks.


Required Skills & Qualifications:

  • Bachelor's or Master's degree in Computer Science, Engineering, or a related field.
  • 10+ years of experience in Infra and Technical Architecture, with at least 3 years in cloud-native architecture roles.
  • Hands-on experience with Oracle Cloud Infrastructure (OCI) or any public cloud services.
  • Strong knowledge of network architecture, security, firewall rules, and microservices architecture.
  • Proficient in Docker image creation, Kubernetes cluster management, and Linux OS administration.
  • Solid experience with DevOps practices, including CI/CD and Infrastructure-as-Code (IaC).
  • Expertise in observability tools like Prometheus, Grafana, ELK, or Splunk.
  • Experience creating and delivering Standard Operating Procedures (SOPs) for infrastructure and operations.
  • Fluent in both English and Japanese (written and spoken).
  • Strong interpersonal, documentation, and presentation skills.


Preferred Qualifications:

  • Telecom domain experience, particularly in BSS/OSS systems.
  • Familiarity with Oracle BRM, PDC, and ECE applications.
  • Knowledge of tools such as Terraform, Ansible, Jenkins, and Git.
  • Oracle certifications in infrastructure or cloud solutions.


What We Offer:

  • Work on leading-edge cloud-native telecom transformation projects.
  • Multicultural and collaborative work environment.
  • Opportunities for learning and professional growth in a high-impact role.
Qualifications

Career Level - IC3



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