Infrastructure Engineer, Modernization Lead (Manager Candidate) - IT Division, Rakuten Securities, Inc.(Secondment)
Core
Lead the modernization and stable operation of mission-critical financial infrastructure, balancing high availability with rapid evolution for a brokerage serving 14 million accounts.
Role type
Manager-level Infrastructure Engineer (Modernization Lead)
Builds
Hybrid cloud environments, core databases, and automated operational pipelines for financial services.
Domain
Financial Services / Cloud Infrastructure / Database Operations
Deliverable
production ML models | product features | dashboards & analysis | infrastructure
Required skills
Large-scale infrastructure operation, Cloud platform management, Database administration, Network engineering, Security management, Project management, Vendor management, Team leadership, Performance optimization, Automation tooling
Preferred skills
Oracle Exadata expertise, Python/Shell scripting, Kubernetes orchestration
Technologies
AWS, Azure, Google Cloud, VMware, Oracle Exadata, MySQL, PostgreSQL, Redis, Terraform, Ansible, Jenkins, GitHub Actions, Docker, Kubernetes, Linux, Windows
Responsibilities
Lead the design and construction of infrastructure for new services; Oversee the stable operation of financial infrastructure including core DBs; Act as command center during incidents; Optimize performance and scalability; Promote IaC and automation to eliminate dependency on individual expertise; Foster team growth and strengthen the organization.