<p>Company Profile | 企業概要<br />A global e-commerce and technology leader operating one of Japan's most widely used loyalty point ecosystems, seeking a senior Site Reliability Engineer.<br /><br />The Role | 職務内容s<br />Working within a high-traffic, mission-critical platform that processes hundreds of thousands of transactions in real time, you will lead the stable operation and continuous improvement of core digital services. As a Senior SRE, you will define and drive SLOs/SLAs, lead incident response, oversee performance and capacity initiatives, and manage and mentor a team of SRE engineers - all while fostering a strong DevOps culture across product, infrastructure, and security teams.<br /><br />Your Skills | 応募資格<br />5+ years of hands-on experience in SRE, infrastructure engineering, or a related discipline.<br />Proven experience building and operating production systems on public or private cloud (AWS, GCP, Azure).<br />Deep expertise in Kubernetes - design, build, operation, and scaling.<br />Strong command of modern observability tooling such as Prometheus, Grafana, ELK Stack, or Datadog.<br />Solid knowledge of UNIX internals, TCP/IP networking, and HTTP protocols.<br />Experience with CI/CD pipelines (Jenkins, CircleCI, GitLab CI/CD) and scripting in Python or Shell.<br />Track record of leading production incident management end-to-end, including RCA and preventative measures.<br />Business-level English required; Japanese proficiency is a strong plus.<br /><br />Key Highlights of the Role | おすすめのポイント<br />Own reliability for one of Japan's highest-traffic consumer platforms, processing transactions at massive scale.<br />Drive meaningful SRE transformation - error budgets, toil reduction, and observability - with real organizational support.<br />Collaborate with global, cross-functional teams in a truly international engineering environment.<br />Join a company at the center of Japan's digital economy, with continued investment in its technology infrastructure.</p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>6 - 9 million yen</p><p><strong> </strong></p><p>Reference Number: 67040- 0013410548</p><p> </p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><a href="https://www.roberthalf.com/jp/en/privacy"><em>https://www.roberthalf.com/jp/en/privacy</em></a><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><p> </p><img src="https://counter.adcourier.com/c2h3ZXRhLmxla2hyYWphbmkuMzA0NzYuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
<p><strong>Company Profile</strong></p><p>A Tokyo-based technology company operating within the digital content and platform industry is expanding its engineering organization to support continued user and revenue growth. The company develops and operates a subscription-based community platform that connects users with creators and enables interactive, real-time engagement at scale. With steady expansion in both domestic and overseas markets, their focus is on building a modern, high-availability infrastructure that can meet growing traffic demands. The engineering team values thoughtful design, pragmatic automation, and a culture of reliability-driven ownership.</p><p><strong> </strong></p><p><strong>The Role</strong></p><p>We are seeking a Senior Site Reliability Engineer (SRE) who will play a key role in ensuring the platform's reliability, scalability, and performance. This position goes beyond operating systems-it's for an engineer who thinks about end-to-end stability, anticipates potential failure points, and designs resilient infrastructure. You'll work closely with development, product, and operations teams to enhance observability, automate deployments, and implement improvements that sustain growth at scale.</p><p> </p><p><strong>Key Responsibilities</strong></p><ul><li>Design, implement, and operate multi-cloud infrastructure with GCP (primary) and AWS (secondary).</li><li>Develop infrastructure-as-code solutions using Terraform and CI/CD pipelines with CircleCI.</li><li>Enhance observability and monitoring with Datadog, driving proactive issue identification.</li><li>Partner with developers to improve backend performance, fault tolerance, and deployment reliability.</li><li>Manage containerized systems (Docker; Kubernetes experience a strong plus).</li><li>Participate in on-call, incident response, and post-incident optimization to strengthen reliability.</li><li>Maintain detailed documentation and drive continuous improvement in operational processes.</li><li>Mentor engineers and promote best practices in infrastructure automation and service ownership.</li></ul><p><strong> </strong></p><p><strong>Your Skills </strong></p><ul><li>Solid experience in SRE, infrastructure, or DevOps roles with production system ownership.</li><li>Hands-on experience with GCP, Terraform, and modern observability tooling (Datadog, PagerDuty, etc.).</li><li>Strong coding ability in Python, Go, or TypeScript, including practical automation experience.</li><li>Deep understanding of system reliability, failure recovery, and risk-aware deployment design.</li><li>Familiarity with Linux administration, networking, and CI/CD workflows.</li><li>Strong communication and stakeholder management skills.</li><li>Business-level English; Japanese is not mandatory; willingness to learn for collaboration.</li></ul><p><strong> <br /> Preferred Qualifications<br /></strong></p><ul><li>Experience building or operating large-scale web or mobile platforms.</li><li>Knowledge of container orchestration (Kubernetes, Docker).</li><li>Performance tuning experience with MySQL or similar databases.</li><li>Understanding of distributed architecture and scalable system design.</li><li>Proven mentorship or cross-functional collaboration experience.</li></ul><p><strong> </strong></p><p><strong>Key Highlights of the Role </strong></p><ul><li>Direct impact on the reliability and scalability of a high-traffic digital platform.</li><li>Work within the digital entertainment and content platform space supporting real-time engagement.</li><li>Exposure to multi-cloud infrastructure with modern DevOps tooling (GCP / AWS / Terraform / Datadog).</li><li>Hybrid work setup (2 days per week in the Tokyo office; Wednesday required).</li><li>Discretionary working hours (typical schedule 11:00-20:00).</li><li>Minimal on-call responsibilities; focus on proactive reliability engineering.</li><li>Competitive salary range ¥7M-¥12M, based on experience and contribution.</li><li>Supportive, collaborative, and technically mature team environment.</li></ul><p> </p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>10 - 12 million yen</p><p><strong> </strong></p><p>Reference Number: 06940-0013394544</p><p> </p><p> </p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><a href="https://www.roberthalf.com/jp/en/privacy"><em>https://www.roberthalf.com/jp/en/privacy</em></a><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><img src="https://counter.adcourier.com/c3VlLnRpbmcuNTM5NTkuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
<p><strong>Company Profile</strong></p><p>Growing B2B SaaS provider delivering cloud-based solutions to enterprise customers is seeking an SRE / Ops Engineer to lead their infrastructure and operations domain.</p><p><strong> </strong></p><p><strong>The Role</strong></p><ul><li>Lead the entire AWS-based infrastructure from design to operations (VPC, EKS/ECS, RDS, CloudFront, IAM, WAF, etc.) for a production SaaS platform.</li><li>Drive Infrastructure as Code implementation using Terraform/AWS CDK and build CI/CD pipelines (GitHub Actions, Bitbucket Pipelines, CodePipeline).</li><li>Establish SRE practices including log aggregation, monitoring, alerting systems, and incident response frameworks.</li><li>Conduct operations testing of offshore Dev team deliverables to ensure quality from a customer perspective.</li><li>Implement security measures including vulnerability management, IAM/WAF design, and change management processes.</li><li>Collaborate with Customer Success teams on first-line response, issue triage, and log analysis infrastructure.</li><li>Build product metrics infrastructure to automatically collect usage and performance data.</li><li>Reporting directly to leadership with a clear career path to grow into Head of SRE as the team scales.</li></ul><p><strong> </strong></p><p><strong>Your Skills </strong></p><ul><li>Production operations experience with AWS (VPC, EKS/ECS, RDS, CloudFront, IAM, WAF, etc.).</li><li>IaC design and operations experience using Terraform/AWS CDK.</li><li>CI/CD pipeline construction experience using GitHub Actions/Bitbucket Pipelines/CodePipeline.</li><li>Container orchestration operations experience with Kubernetes.</li><li>Monitoring, alerting, and log aggregation operations experience (CloudWatch, CloudTrail, OpenSearch, etc.).</li><li>Understanding of security best practices (vulnerability management, patch application, change management).</li><li>Practical Scrum development experience (as Scrum Master or Developer).</li><li>Preferred: Multi-tenant/SOC2/ISO27001 compliance experience, offshore team collaboration in English, Python/shell scripting.</li></ul><p> </p><p><strong>Key Highlights of the Role </strong></p><ul><li>Own end-to-end infrastructure with full authority from design to operations-rare opportunity to build 0→1 in a growing SaaS environment.</li><li>Direct impact on customer value through operations testing and SRE improvements that balance quality with delivery speed.</li><li>Clear growth path from individual contributor to Head of SRE, with opportunity to launch and scale your own team.</li><li>Work with cutting-edge DevOps practices: Terraform, Kubernetes, SLI/SLO design, modern incident management.</li><li>Full remote work with flexible hours (9:00-18:00 flextime)-results-oriented culture without location or time constraints.</li><li>Global collaboration experience working with offshore development teams.</li></ul><p> <strong> </strong></p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>9 - 12 million yen</p><p><strong> </strong></p><p>Reference Number: 06940-0013360778</p><p> </p><p> </p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><a href="https://www.roberthalf.com/jp/en/privacy"><em>https://www.roberthalf.com/jp/en/privacy</em></a><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><img src="https://counter.adcourier.com/V2F0dW55dS5TaXJpcGFpcm9qLjYxNjc2LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
