About the role
Principal Support Engineer — Oracle Integration Cloud (Japanese/English)
Location: Japan (preferred)
Languages: Professional Japanese and English required
Oracle is seeking a Principal Support Engineer to be the trusted technical partner for enterprise customers using Oracle Integration Cloud (OIC) and related Oracle Cloud Infrastructure (OCI) services. You will independently lead complex investigations, guide customers through configuration and best practices, and work with global Support, Cloud Operations, and Product Development teams to resolve critical issues.
This role supports customers in Japan and globally. You will communicate technical findings, action plans, and resolutions clearly in both Japanese and English.
What you’ll do
- Diagnose and resolve complex OIC and Oracle Process Automation Cloud issues, including integration, adapter, and runtime problems.
- Troubleshoot OCI and Oracle Database dependencies, including Compute, Storage, VCN, ATP, and Identity Domains.
- Investigate REST/SOAP APIs, SSL/TLS, networking, OAuth, SAML, JWT, and authentication issues.
- Analyze Java stack traces, thread dumps, heap dumps, logs, and network traces to identify root cause.
- Own high-priority customer escalations; reproduce defects, document evidence, and partner with Development to validate fixes.
- Produce and improve bilingual knowledge articles, troubleshooting guides, and customer communications.
- Mentor engineers and contribute to support best practices and product-quality improvements.
What you’ll bring
- 4–10 years of hands-on experience supporting Oracle Integration Cloud and/or Oracle SOA Suite, particularly adapters and enterprise integrations.
- Strong technical-support and root-cause-analysis experience with enterprise applications.
- Working knowledge of OCI services and Oracle Database.
- Practical Java/Java EE troubleshooting expertise and confidence reading source code and diagnostic artifacts.
- Strong knowledge of web services, APIs, networking, and security: REST, SOAP, SSL/TLS, OAuth, SAML, and Identity Domains.
- Professional fluency in spoken and written Japanese and English, with the ability to explain complex technical issues to customers and internal teams.
- Ability to manage multiple urgent issues independently while collaborating effectively with global teams.
Preferred
- Based in Japan and able to support Japan business hours.
- Experience supporting enterprise customers in Japan, including Japanese business communication practices.
- Experience with Oracle Fusion Applications, Oracle Process Automation Cloud, SOA Cloud Service, Linux/Unix, or critical customer escalations.
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