Lead Site Reliability Engineer Incentive Platform

Our client is a global technology organization that operates large-scale digital platforms supporting millions of users and high-volume transactions worldwide. The company focuses on building reliable, scalable, and high-performance systems that power a broad ecosystem of consumer-facing services, with a strong emphasis on engineering excellence, operational stability, and continuous innovation.

We are seeking a highly experienced Lead Site Reliability Engineer (Lead SRE) to join a global engineering team responsible for the reliability, scalability, and performance of large-scale distributed systems. In this role, you will provide technical leadership for mission-critical services, drive SRE best practices, and lead initiatives around incident management, automation, observability, and system optimization. You will collaborate closely with cross-functional engineering teams to ensure high system availability and operational excellence across a global platform.

Responsibilities

Define and drive Service Level Objectives (SLOs) and Service Level Agreements (SLAs)

Establish and manage error budgets to guide reliability priorities

Lead performance optimization efforts including latency and scalability improvements

Own incident management, including acting as incident commander during outages

Lead root cause analysis (RCA) and implement preventive improvements

Drive automation initiatives to reduce operational toil

Design and improve monitoring, alerting, and observability systems

Provide technical leadership, mentorship, and guidance to SRE engineers

Define engineering standards, runbooks, and operational best practices

Collaborate with cross-functional teams to improve system reliability

Participate in and evolve on-call processes and escalation frameworks

Required Qualifications

- Bachelor's degree in Computer Science or related field, or equivalent practical experience.

- More than 5 years of hands-on experience in SRE, infrastructure engineering, or a related field, with demonstrated technical leadership experience.

- Experience building and operating production systems in public cloud (AWS, GCP, Azure, etc.) or private cloud environments.

- Extensive experience designing, building, operating, and scaling Kubernetes environments.

- Deep knowledge and hands-on experience building and operating modern monitoring, alerting, and logging tools (e.g., Prometheus, Grafana, ELK Stack, Datadog).

- In-depth knowledge of UNIX-like operating system internals and/or networking.

- Deep knowledge of IP network systems and protocols (TCP/IP, HTTP, etc.) and hands-on troubleshooting experience.

- Experience building automated workflows using CI/CD tools (e.g., Jenkins, CircleCI, GitLab, CI/CD).

- Experience developing operational automation tools and scripts using scripting languages such as Shell, Python, etc.

- Proven track record of leading production incident handling end-to-end (detection, triage, short-term / long-term fix, root cause analysis).

- Experience in system performance tuning and capacity planning.

- Proficiency with Git and GitHub for version control and collaboration.

- Strong communication, negotiation, and collaboration skills to articulate complex technical issues and align with internal and external stakeholders.

Preferred Qualifications

- Experience developing or maintaining GCP environments (e.g., GKE, Cloud Run, BigQuery, Cloud Monitoring, IAM).

- Experience in web application development.

- Deep knowledge and practical experience in observability, and a strong drive to improve services leveraging SLIs/SLOs.

- Experience implementing and operating error budgets, or a proven track record in toil reduction initiatives.

- Experience driving cross-team or org-wide reliability improvements (e.g., defining standards, leading postmortem culture).

- Experience working with cross-cultural global teams in different locations.

Languages

English: Fluent

Japanese: Optional / a plus

Work Environment

Fast-paced, dynamic global environment with collaborative teams across multiple locations

Salary: ¥9M – ¥12M JPY per year

Location: Hybrid (4 days in the office, 1 day remote)

Office Location: Tokyo, Japan

Working Hours: Flexible schedule with core hours from 11:00 AM to 3:00 PM

Visa Sponsorship: Available

Japanese language proficiency certification (such as JLPT N2) is not required, as our client is a global organization with an international working environment.

Language Requirement: English only

Apply now or contact us for further information: