Join Japan's largest internet services company as a Linux System Engineer and make an impact at scale. In this role, you will manage and optimize large-scale Linux environments that power millions of daily users. You will collaborate with developers and SRE teams to enhance performance, stability, and automation across critical systems that drive e-commerce, fintech, and digital content services.
Key Responsibilities
- Manage and maintain large-scale Linux server environments with high availability.
- Perform Linux core tuning to optimize system reliability and performance.
- Analyze and tune JVM performance, focusing on GC optimization.
- Collaborate with developers and SRE teams to resolve infrastructure bottlenecks.
- Monitor, troubleshoot, and implement automation for operational efficiency.
Required Skills and Qualifications
Experience:
- Minimum 5 years in Linux system administration in production environments.
- Strong knowledge of Linux kernel internals and performance tuning.
- Hands-on expertise in Linux core tuning and JVM/GC optimization.
- Business-level communication skills in Japanese or English.
Soft Skills:
Language Requirements
- Japanese: Basic level.
- English: Business-level proficiency (required for team collaboration).
Preferred Skills & Qualifications
- Experience with large-scale distributed enterprise systems.
- Familiarity with cloud platforms (AWS, GCP, or Azure) in Linux operations.
- Scripting and automation skills in Python, Bash, or Ansible.
- Knowledge of monitoring tools such as Prometheus or Grafana.
- Advanced troubleshooting of JVM and Linux performance issues.
About the Company
This company is Japan's largest internet services provider, offering engineers the chance to innovate at scale. With cutting-edge infrastructure, vast data ecosystems, and millions of users worldwide, the firm empowers technical professionals to directly shape performance and reliability in e-commerce, fintech, digital content, and more. A collaborative, global environment ensures opportunities for growth, learning, and impact.
Why You'll Love Working Here
- Competitive hourly rate of ¥3,500-¥4,000.
- Opportunity to make an impact at scale with millions of daily users.
- Access to cutting-edge technologies including Linux, JVM, Cassandra, and CI/CD.
- Work with a global, collaborative team that values technical innovation.
- Professional development opportunities and exposure to complex engineering challenges.
Don't Miss Out - Apply Now!
