Job Id : 9709
Posted : 2025-10-23
Industry : Telecommunications
Employment Type : Full Time, Permanent
Required Skills : Japanese JLPT N1, CentOS, Ubuntu, RHEL, Linux, system administration, Kubernetes , Prometheus
City : Tokyo
State : Tokyo
Country : Japan
Annual Salary : ¥8,000,000 ~ ¥10,000,000
Job Description
Appealing Points:
- Hands-On Role with Cutting-Edge Infrastructure Technologies: Work directly with Linux, Kubernetes, and Ansible to build and maintain highly reliable and scalable SIP infrastructure.
- Opportunity to Drive Automation and Optimization: Use Ansible and shell scripting to automate operations, streamline processes, and enhance overall system performance.
- Collaborative and Global Engineering Environment: Engage with cross-functional teams, vendors, and partners in both Japanese and English, supporting the development and operation of next-generation communication platforms.
Annual Salary: 10 million yen and above
Job description
- Perform Linux system administration work for OTEL SIP infrastructure.
- Deploy services and environments using Ansible automation playbooks.
- Maintaining infrastructure (patching, upgrading, troubleshooting, performance tuning).
- Manage OpenSearch databases (monitoring, backup/recovery, and performance health checks).
- Responsible for operation and maintenance of Kubernetes clusters
- Deploying and running Kubernetes jobs
- Monitor the health of pods, nodes, disks, and networks
- Troubleshoot failures in cluster components and across workloads
- Configuring and managing monitoring solutions using Prometheus and OpenTelemetry
- Creating shell scripts and small automation utilities for maintenance tasks
- Helping customers create pytest-based test automation leveraging OTEL SIP
- Provide on-site support for lab operations, working with engineering teams, vendors, and partners
Job Qualification:
- Extensive Linux system administration experience on CentOS, Ubuntu, or RHEL-based systems
- Knowledge of deploying and configuring services using existing Ansible playbooks
- Working networking knowledge (able to build and troubleshoot bare metal Kubernetes clusters across multiple servers, including provisioning with iDRAC)
- Bash/shell scripting skills to automate maintenance tasks
- Experience with Kubernetes operations (running jobs, monitoring pods, troubleshooting resources, etc.)
- Experience in database operations (maintenance, backup, management)
- Language skills required for customer service (Japanese: fluent and native level, English: business level)
Good to have:
- Experience with telemetry and observability tools
- Knowledge of managing shared testing environments (e.g. emulators, simulators)
- Knowledge of security scanning tools and software repositories
Language Requirements: Fluent level Japanese (N1) & Business English conversation skill.
Benefits:
- Annual salary increase
- Bonus once a year
- Complete social insurance
- Full payment of transportation expenses
- Kanto IT Software Health Association
- E-learning available
- Orientation for new employees
- Available for training programs (domestic and overseas)
Company Description:
This company is one of the largest IT consulting companies in Europe, with more than 200,000 employees based in locations in over 40 countries.
As a global leader in consulting, technology services and digital transformation, they were established in 2013 as a Japanese corporation of the world's leading IT consulting company at the forefront of innovation, and they offer a wide range of integrated services with the highest level of technology and abundant expertise.
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