Teams at Nexus Corporation

Supports ISMAP security assessments, IT audits, ITGC and ITAC evaluations, evidence collection, audit documentation, remediation tracking, risk assessments, and continuous compliance monitoring. Coordinates with Japanese and global stakeholders across security, engineering, compliance, legal, risk, and business teams. Facilitates bilingual control walkthroughs and audit discussions, manages workstreams and dependencies, and evaluates controls covering SDLC, identity and access management, disaster recovery, vulnerability management, cloud services, and change management.

Leads end-to-end mainframe delivery, operations, maintenance, incident response, release management, and modernization for a major life insurance client. Acts as the primary client contact, managing governance, escalations, stakeholders, vendors, global teams, resources, risks, and executive reporting. Provides technical leadership across COBOL, Assembler, JCL, CICS, DB2, and VSAM while ensuring regulatory compliance and service improvement.

Lead system architecture and hardware engineering for diagnostic and monitoring medical devices. Own requirements through product realization, coordinate hardware, software, and mechanical teams, oversee integration and testing, and ensure regulatory compliance. Engage directly with customers, address technical challenges, support proposals, and manage product lifecycle activities. The role requires hands-on circuit, processor, board bring-up, EMI/EMC testing, and medical device development experience, with Japanese and English proficiency.