Job title: Site Reliability Engineer_SR
Job type: Permanent
Emp type: Full-time
Industry: IT & Telecommunications / IT・通信
Functional Expertise: Technical (IT) / 技術職(IT)
Salary: Negotiable
Job published: 2026-04-30
Job ID: 71717

Job Description

Career Opportunity for a Site Reliability Engineer in Japan!

 

■ Site Reliability Engineer

 

■ Company Overview

A cutting-edge space technology company in Japan working on its own satellite constellation and data platforms, combining satellite technology, cloud systems, and AI to solve real-world challenges such as disaster monitoring and infrastructure analysis.

 

■ Your Role and Responsibilities 

● Design, build, and operate satellite ground system infrastructure in cloud environments using Terraform, including the design, deployment, and management of Kubernetes clusters, as well as improving development productivity through CI/CD pipeline optimization. 

● Lead the design, validation, and implementation of a Disaster Recovery (DR) site architecture, driving the project in collaboration with cross-functional stakeholders. 

● Plan and implement security enhancement measures and ensure compliance with relevant regulatory and organizational requirements. 

● Strengthen monitoring and alerting systems to support large-scale satellite fleet operations. 

● Continuously improve operational efficiency through the use of AI agents for automation, cost optimization, and performance tuning.

 

■ Experience and Qualifications

● 3+ years of experience as an Infrastructure Engineer, Cloud Engineer, SRE, or DevOps Engineer 

● Experience building cloud-native systems using Kubernetes and Docker on a major cloud provider (AWS, Google Cloud, or Azure) ● Experience with Infrastructure as Code tools such as Terraform or OpenTofu 

● Strong knowledge of computer networks 

● Software development experience (requirements gathering, design, programming, maintenance) 

● Familiarity with CI/CD tools and processes (e.g., GitHub Actions, Cloud Build, Cloud Deploy, or equivalent) 

● Experience developing and operating systems in Linux environments with an understanding of HTTP/HTTPS, DNS, load balancers, and databases 

● Over 6 months of experience using major AI coding assistants (e.g., Claude Code, Codex, Gemini, Cursor) 

● Willingness to respond flexibly to occasional weekend or nighttime incidents (about once per month) 

● Comfortable communicating in English, both written and spoken 

● Able to commute to the Tokyo headquarters at least once per week

 

■ Additional Preferred Qualifications

● Experience in defense, aviation, or space-related system development 

● Experience adopting or operating observability tools or systems 

● 3+ years of programming experience in C, C++, Go, Rust, or Python 

● Experience with on-premises system construction or operation 

● Experience in cloud cost optimization (FinOps), performance tuning, incident response, and DR site design 

● Experience in system renewal/migration projects for mission-critical systems or multi-region architectures 

● Business-level Japanese proficiency (JLPT N1 or equivalent, for non-native speakers)

 

■ Good Reasons to Join

● Opportunity to work at the intersection of satellite technology, cloud platforms, and AI

 

■ Work Location

Tokyo, Japan
 

Details will be provided during the meeting.

File types (doc, docx, pdf, rtf, png, jpeg, jpg, bmp, jng, ppt, pptx, csv, gif) size up to 5MB
File types (doc, docx, pdf, rtf, png, jpeg, jpg, bmp, jng, ppt, pptx, csv, gif) size up to 5MB