Profile

Enterprise Architect with 20+ years designing and governing large-scale enterprise systems across global organizations. Specialized in Enterprise & Solution Architecture, with deep focus on Technical Governance, AI, Security, and Cloud. Proven track record leading transformation initiatives, defining architecture governance frameworks, and ensuring compliance across complex IT landscapes. Bilingual (English & Japanese — JLPT N2) with extensive experience in multicultural, globally distributed environments.

Core Competencies
Enterprise & Solution Architecture
Cloud Architecture (Multi-cloud)
Architecture Governance · IT4IT
AI / GenAI Governance & Design
Integration Architecture · iPaaS · API
Security Architecture · IAM
Technical Governance & Compliance
Risk Management · Audit Readiness
Enterprise Asset Management (LeanIX)
HLD Documentation & Review
Stakeholder & Executive Alignment
Global Cross-Functional Leadership
Professional Experience
Enterprise Architect
Sep 2023 – Present
Kyndryl · Tokyo, Japan — CIO Enterprise Architecture
  • Defined enterprise-wide integration architecture using API-driven and event-driven design, improving interoperability across multiple business domains.
  • Led enterprise technical governance, reviewing and approving all new applications and major changes for compliance with architecture, security, and operational standards.
  • Acted as architectural gatekeeper, ensuring stakeholder alignment and completeness before deployment approval.
  • Applied IT4IT (The Open Group) framework to structure architecture governance and application lifecycle management.
  • Ensured all software assets are correctly registered, classified, and maintained in LeanIX (Enterprise Architecture & Asset Management).
  • Led creation and validation of High-Level Design (HLD) documentation, ensuring architectural decisions, risks, and dependencies are clearly defined for all stakeholders.
  • Maintained up-to-date architecture documentation to ensure audit readiness and traceable governance.
  • Ensured applications meet enterprise security requirements including Penetration Testing, Risk Management, SOC, MSAC, and SPIR compliance frameworks.
  • Supported audit readiness for ISO certifications and external audits (PwC), enabling Kyndryl to maintain critical certifications.
  • Applied secure-by-design and risk-based architecture principles across governance processes.
  • Contributed to AI governance initiatives, ensuring responsible AI usage, architectural consistency, and risk documentation for AI-based solutions.
HR Chief Architect
Nov 2021 – Sep 2023
Kyndryl · Tokyo, Japan — CIO Enterprise Applications
  • Orchestrated large-scale HR technology transformation during Kyndryl's spin-off from IBM, redesigning business processes and separating systems from parent company infrastructure.
  • Applied IT4IT frameworks to establish enterprise architecture practices, enhancing system governance and efficiency.
  • Aligned 140+ HR systems with strategic business objectives, partnering directly with executives on technology roadmaps.
  • Drove adoption of modern cloud platforms (Microsoft Azure, GCP, IBM Cloud) for operational excellence and cost reduction.
Lead Architect — CIO HRIT
Nov 2019 – Nov 2021
IBM · Tokyo, Japan
  • Designed and implemented cloud architectures for Japan Payroll Transformation on SAP HRMS, integrating all upstream and downstream systems across Japan operations.
  • Migrated legacy HR systems to cloud platforms, improving reliability, scalability, and cost efficiency.
  • Introduced IT4IT-based governance frameworks to streamline enterprise architecture practices.
IT Architect & Technical Leader — Global HR
Jan 2016 – Nov 2019
IBM · United States / Global
  • Technical leader for Global HR systems modernization and cloud migration across multiple regions.
  • Developed AI-driven solutions including AI TravelBot (IBM Watson), automating employee inquiries globally and reducing operational overhead — recognized with multiple company awards.
  • Led iPaaS adoption strategy for Travel & Expenses and Mobility Tools, influencing executive decisions on technology investments.
  • Led globally distributed engineering teams across Americas, Europe, Asia-Pacific, and Japan.
Senior IT Specialist — Technical Leader
Jan 2011 – Jan 2016
IBM · São Paulo, Brazil
  • Technical Leader for WWER (World Wide Expenses Reimbursement) — a business-critical global platform deployed across 93 countries, 40 languages, serving 85%+ of IBM workforce.
  • Managed high-availability WebSphere / AIX / DB2 infrastructure; led major system upgrades, releases, and environment changes.
Early Career (2001 – 2011): Team Lead, Developer, and BI Analyst roles at IBM (Sprint/Nextel, MEDCO, OMIM), FAPESP, and various technology companies. Foundation in Java development, database engineering, system integration, and infrastructure. Led version control, production support, and data pipeline engineering across Brazil-based teams.
Education
Bachelor of Computer Science
UNESP — Universidade Estadual Paulista Júlio de Mesquita Filho
2003 – 2007 · São Paulo, Brazil