Operations & Release Engineer (SRE / Kubernetes: 8014)
Operations & Release Engineer (SRE / Kubernetes: 8014)
Job type:
Haken
Specialization:
Infrastructure
Language Level:
Japanese Level - Low Intermediate (JLPT Level 4),English Level - Fluent (TOEIC 990)
Location:
Setagaya-ku
Salary:
0.00
Job Reference:
498177
A Global IT Service firm is seeking a skilled Operations & Release Engineer to join the B2C BSS Backend Section within the B2C BSS Development Department.
You will work in a high-availability, mission-critical environment supporting a large-scale telecom platform, collaborating with cross-functional teams in a fast-paced engineering culture.
The role involves participation in scheduled night-time maintenance and on-call rotations, while applying SRE best practices such as automation, monitoring, and continuous improvement to maintain system reliability and performance.
Responsibilities:
- Release Management: Plan, coordinate, and execute production releases, including pre-release validation and post-deployment monitoring
- Production Operations: Manage system health, monitor performance metrics, and perform troubleshooting in a high-availability environment
- Night-time Maintenance: Lead/participate in scheduled night-time production deployments and maintenance windows to ensure zero-downtime upgrades
- Incident Response: Serve as an on-call engineer to diagnose and resolve production issues, minimizing service impact
- Process Automation: Develop scripts and tools to automate repetitive operational tasks and improve deployment efficiency
Required skills:
- 5+ years of experience in Site Reliability Engineering (SRE) or System Operations.
- Proven experience managing production releases in high-traffic, distributed environments.
- Proficiency in Java/Spring Boot (for log analysis and hot-fix verification) and Linux/Unix environments.
- Strong experience with Kubernetes, Docker, and CI/CD pipelines.
- Ability to work flexible hours, including scheduled night-time shifts for production releases.
- Experience with monitoring tools (e.g., Prometheus, Grafana, ELK stack)
Why should you apply:
- This is a long-term opportunity with a chance to become a permanent employee
- You will be working with international team members
- Free breakfast, lunch and dinner at the cafeteria
Company Details:
A global company with a strong presence in multiple business areas. It has achieved sustained growth both domestically and internationally, including in the U.S. and Europe. The company boasts a diverse and international environment and is committed to equal opportunity, offering a wealth of career opportunities. Due to the diverse nature of our business, we handle a wide range of technologies! You can also choose the environment you are most comfortable with, such as Windows/Mac! Meals in the company cafeteria are also free. Our chefs are always coming up with new menu items, so you can enjoy your meal without getting bored!
Working hours: 9:00 - 17:30 (Mon-Fri)
Working Style: Hybrid (4 days in office, 1 day work from home)
Holidays: Saturday, Sunday, and National Holidays, Year-end and New Year Holidays, Paid Holidays, Other Special Holidays
Services/Benefits: Social insurance, DC Pension Plan, Transportation Fee, Skillhouse University, Test payback system, and more
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