Lead SRE(Site Reliability Engineer)

Job Description

We are looking for a Principal Software / Platform Engineering professional with a track record of improving system reliability, building scalable platform capabilities, and leveraging modern technologies to enable enterprise-scale software delivery. To be successful in this role, the candidate would require a balance of hands-on technical expertise and technical thought leadership across site reliability engineering, cloud platforms, automation, observability, infrastructure engineering, and AI-enabled operational practices.

The mission of this role is to drive operational excellence and technology transformation through Site Reliability Engineering, Platform Engineering, Artificial Intelligence, and Automation, from platform design and architecture through production-grade operations, ensuring reliable, secure, scalable, and resilient services that deliver business value to the enterprise.

Success in this role requires strong collaboration, communication, and problem-solving skills, with an emphasis on partnering with business stakeholders, product teams, software engineers, architects, and operational support teams. This role will collaborate closely with business and technology partners to co-create solutions, navigate operational complexity, and establish reliability and platform engineering best practices across multiple initiatives.

The Principal Software / Platform Engineer serves as a senior technical leader and individual contributor within the organization. Besides contributing through hands-on engineering, automation, and platform activities, this role influences technical strategy, promotes operational excellence, and mentors engineers across teams. Ultimately, you are responsible for helping build a highly reliable and scalable technology ecosystem through engineering best practices, reusable platform capabilities, intelligent automation, and AI-enabled operational improvements.

Responsibilities

• Drive technology transformation through Site Reliability Engineering, Platform Engineering, Artificial Intelligence, and Automation.
• Design, develop, and operate scalable, secure, resilient, and maintainable platform solutions supporting business-critical services.
• Lead all stages of the platform engineering lifecycle, from architecture, design, and implementation through production operations, monitoring, and continuous improvement.
• Solve complex technology and operational challenges using engineering excellence, automation, observability, and data-driven decision making.
• Provide technical leadership and architectural guidance across multiple teams, platforms, and products.
• Collaborate with software engineering teams to improve reliability, scalability, performance, and operational efficiency.
• Drive adoption of platform engineering practices, Infrastructure as Code, CI/CD, cloud-native technologies, and self-service engineering capabilities.
• Identify, evaluate, and implement emerging technologies, including AI-powered operational solutions, intelligent observability platforms, and automation capabilities.
• Define and monitor service level objectives (SLOs), service level indicators (SLIs), and reliability metrics across platforms and services.
• Lead incident analysis, problem management, operational readiness reviews, and continuous improvement initiatives.
• Promote reliability engineering best practices, including resiliency testing, disaster recovery preparedness, capacity planning, and operational excellence.
• Develop reusable platform components, engineering accelerators, automation frameworks, and operational tooling.
• Document and communicate technical solutions effectively to both technical and non-technical audiences.
• Mentor and support engineers through technical guidance, knowledge sharing, and coaching.
• Contribute to innovation, experimentation, proof-of-concepts, and continuous improvement initiatives.
• Performs other duties as assigned or required.

Required Qualifications

• Bachelor's degree in computer science, information technology, engineering, or equivalent educational qualification.
• 10+ years of relevant experience in platform engineering, site reliability engineering, infrastructure engineering, software engineering, or related disciplines with delivered business results.
• Proven record of improving reliability, scalability, performance, and operational efficiency across enterprise technology environments.
• Strong experience designing, implementing, and supporting large-scale cloud and platform solutions.
• Proven expertise in Site Reliability Engineering principles, operational excellence, resiliency engineering, and production support practices.
• Experience working with large and complex enterprise applications, distributed systems, cloud-native architectures, microservices, and integrated technology ecosystems.
• Strong expertise in automation, Infrastructure as Code, configuration management, and platform engineering practices.
• Experience establishing observability solutions, monitoring capabilities, logging strategies, alerting frameworks, and operational metrics.
• Strong programming and scripting skills in one or more languages such as Python, Java, C#, Go, PowerShell, Bash, or similar technologies.
• Familiarity with cloud platforms (Azure, AWS, GCP) and associated infrastructure, platform, and operational services.
• Experience with CI/CD, DevOps, DevSecOps, automated deployment, and modern software delivery methodologies.
• Awareness of Software Development Lifecycle (SDLC), release management, environment management, operational support models, disaster recovery, and service management practices.
• Demonstrated ability to provide technical leadership and influence engineering direction without direct managerial authority.
• Demonstrated ability to evaluate and adopt emerging technologies to improve reliability, operational efficiency, engineering productivity, and business outcomes.
• Strong analytical, troubleshooting, root cause analysis, and structured problem-solving skills.
• Excellent communication, collaboration, storytelling, and presentation skills.
• Strong partner and stakeholder engagement experience across business and technology organizations.

Preferable

• Banking, Financial Services, and Insurance domain knowledge.
• Experience with Microsoft Azure platform services, cloud operations, and enterprise cloud transformation initiatives.
• Experience with Kubernetes, container platforms, service mesh technologies, and cloud-native operational practices.
• Experience implementing AI-powered operational capabilities, intelligent observability, AIOps, automated remediation, or operational analytics solutions.
• Experience with Generative AI platforms, Large Language Models (LLMs), AI agents, prompt engineering, or enterprise AI frameworks.
• Experience designing and implementing internal developer platforms, self-service engineering capabilities, or platform modernization initiatives.
• Experience leading reliability improvement programs across multiple teams and products.
• Experience with performance engineering, capacity management, disaster recovery testing, and business continuity planning.
• Evidence of technical thought leadership (publications, speaking engagements, open-source contributions, patents, or internal innovation).
• Relevant certifications in cloud platforms, site reliability engineering, platform engineering, DevOps, artificial intelligence, or software engineering disciplines.

Language

• Japanese: Business
• English: Business