Cloud Engineer

Mizuho Financial Group

Cloud

AWS

DevOps

About this role

This cloud engineering role supports AI and DX initiatives across Mizuho Financial Group. The engineer works with AI technical leads and development teams to design, build, operate and improve cloud platforms that support AI products.

Responsibilities include creating cloud-use guidelines and AI-platform architectures; defining and reviewing non-functional requirements in light of applicable regulations; building multi-account AWS environments; and designing governance and security controls using AWS Control Tower and Security Hub. The role also includes building and monitoring development and execution environments for Scrum development, improving operations through SRE activities and automation, defining infrastructure requirements and plans based on application development plans, and reviewing implementations delivered by development partners.

Example projects include operating and enhancing the next-generation AI platform Wiz Base, planning and building an AI data platform using Databricks, developing an AI Gateway to optimize and govern AI model usage, promoting system connections and data integration between departments, automating monitoring and operations, and supporting the acceptance and architecture design of AI products. The products include applications for meeting-record drafting, slide generation, sales-knowledge formalization and internal-procedure search.

The posting names TypeScript and Python; Next.js, React, Vue.js, FastAPI and Streamlit; Assistants API, Agents SDK, Strands Agents SDK, LangChain, LangGraph and Vertex AI; AWS, S3, ECS, ElastiCache, Terraform, CDK, Bedrock and Bedrock Agentcore; Jest, Pytest and Playwright; and GitHub, Teams, Slack, Jira and Confluence. It also lists ClaudeCode, AWS Kiro, OpenAI Codex, Amazon Q Developer, Devin, Dify and v0.

Required qualifications are at least three years of experience designing and building system platforms using AWS or other cloud services, experience designing and building with PaaS or serverless architectures, and experience designing cloud architecture, including overall system configuration, technical approach and non-functional requirements. Experience with cloud platforms for generative-AI products, API platforms or AI Gateways, Databricks data platforms, architecture guidelines, and SRE or infrastructure leadership is welcomed.

The position is a permanent employee role in Tokyo. Work is hybrid, combining office and remote work. The standard schedule is 8:40–17:10 with 7.5 working hours and a 60-minute break; flextime may apply depending on the department. The contract has no fixed term, and the probationary period is six months with the same salary. Salary is determined according to company rules. Benefits include commuting support, meal assistance, social insurance, an employee stock ownership plan, childcare-related support, housing-related programs, asset-building support and leisure support. Holidays include weekends, public holidays, year-end and New Year holidays, annual paid leave and other special leave.

This is an AI-generated summary of the employer's original posting — details can be incomplete, out of date or simply wrong. Always confirm everything on the official posting before applying.