Ken Usui

Ken Usui's email & phone

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Storage Administrator at Rakuten|Greater Tokyo Area, Japan

Position:

Storage Administrator at Rakuten

Location:

Greater Tokyo Area, Japan

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Last updated: 2026-04-25
Updated: 2026-04-25

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Work Experience 17 years

Storage Administrator at Rakuten

May 2022 - Current

Storage Administrator at Rakuten Mobile, Inc.

Feb 2020 - May 2022

Presales Engineer at Sojitz Tech-Innovation Co., Ltd.

Apr 2018 - Jan 2020

Product Engineer at Sojitz Tech-Innovation Co., Ltd.

Dec 2014 - Mar 2018

Infrastructure Engineer at SCSK Corporation

Oct 2012 - Nov 2014

Infrastructure Engineer at 株式会社BFT

Oct 2012 - Nov 2014

Logistics Coordinator at (株)ホンダロジスティクス

Apr 2009 - Sep 2012

Ken Usui started working in 2009, then the employee has changed 5 companies and 4 jobs. On average, Ken Usui works for one company for 2 years 8 months.

Education

Bachelor's degree at 神田外語大学

University of Iowa

Kanda Institute of Foreign Languages

埼玉大学

Frequently Asked Questions

What is Ken Usui's email address?

SignalHire found a verified business email address for Ken Usui: u***n@rakuten.com.

What is Ken Usui's phone number?

SignalHire found a verified phone number for Ken Usui: +81-***-***-5337.

How do I contact Ken Usui at Rakuten?

You can reach Ken Usui through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.

What is Ken Usui's professional background?

Ken Usui has 17 years of professional experience. They have held roles including Storage Administrator, Presales Engineer, and Product Engineer at companies such as Rakuten Mobile, Inc., Sojitz Tech-Innovation Co., Ltd., and Sojitz Tech-Innovation Co., Ltd.. Their education includes Bachelor's degree from 神田外語大学, and University of Iowa.

Is Ken Usui's contact information up to date?

Yes. Ken Usui's SignalHire profile was last updated on 25 April 2026, reflecting their current position as Storage Administrator at Rakuten in Setagaya-ku, Tokyo, Japan.

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