We are seeking a highly skilled Infrastructure Lead to architect, design, and deliver cloud-native infrastructure for COTS applications, with a focus on Oracle Billing and Revenue Management (BRM). The ideal candidate will have hands-on experience with cloud platforms—especially Oracle Cloud Infrastructure (OCI)—and strong bilingual (English and Japanese) communication skills to engage with customers, partners, and internal stakeholders. The role involves end-to-end infrastructure leadership, from design through operational readiness.