Principal Technical Support Engineer(Signature)
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Looking for a customer success job in Tokyo? Choose from 20 open roles at 11 employers. Explore real salary data and skills breakdown across remote, hybrid and on-site roles.
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The majority of roles are technically oriented, sitting closer to support engineering than account management. Work typically involves diagnosing customer-reported issues, debugging integrations and API failures, and coordinating with internal engineering or product teams to resolve or escalate problems. Language requirements are prominent: Japanese fluency appears across much of the sample, and one posting explicitly requires Korean as well as English.
A distinct cluster of roles focuses on physical infrastructure deployment. The Deployment Support Engineer II (APAC OTS) and Deployment Support Engineer I postings at Amazon involve on-site commissioning of networking equipment and operational technology at fulfilment centres across APAC, with vendor management responsibilities alongside the hands-on work.
At the other end of the spectrum, roles such as AI Support Engineer at OpenAI and Customer Experience Support Engineer at Salesforce are platform-facing, handling tickets and live calls, reproducing bugs, and feeding findings back to product teams. Senior and principal-level titles suggest some roles carry expectation of mentorship or process ownership, though responsibilities are not always spelled out explicitly.
Skills counts reflect mentions in posting descriptions across this sample, not confirmed requirements. APIs appear most frequently, followed by Java, Python, and cloud platforms including AWS and Azure. The technical depth signalled here is notable for a customer-facing function, suggesting many of these roles expect candidates who can read code, query data, or diagnose integration failures rather than rely purely on documentation. Sample size is small, so treat these patterns as indicative rather than representative.
Almost all postings in this sample specify on-site work in Tokyo, with only a minority offering hybrid arrangements. No postings in this set are listed as fully remote. The hybrid postings do not all state their in-office frequency; the OpenAI Tokyo role is one exception, specifying three days in office. Candidates should read individual postings carefully, as work-mode details vary in how explicitly they are stated, and on-site expectations may differ between roles that involve physical infrastructure work and those that are desk-based.
Jobs checked 4 hours ago. · Guide reviewed 14 September 2026.
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