John Zy: Email & Phone Number

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Senior Security Engineer at Rakuten|Tokyo, Japan

Position:

Senior Security Engineer at Rakuten

Location:

Tokyo, Japan

View John Zy's Email

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Last updated: 2026-07-08

Updated: 2026-07-08

Found email addresses for John Zy:

Business emails:

z****n@rakuten.com

Found phone for John Zy:

+81-***-***-1962

A different John Zy?

Work Experience 10 years

Senior Security Engineer at Rakuten

Oct 2024 - Current

Brand Representative at Zyfense

Oct 2024 - Current

Senior System Engineer at Nokia

Apr 2020 - Sep 2024

System Engineer at HP

Jun 2016 - Mar 2020

John Zy started working in 2016, then the employee has changed 3 companies and 3 jobs. On average, John Zy works for one company for 2 years 11 months.

Their professional focus is Full-Stack Development, IT Security Assessments, and Network Administration across 3 core areas.

John holds Microsoft Certified: Azure Security Engineer Associate, Microsoft Certified: Azure Administrator Associate, and Red Hat Certified Architect (RHCA) certifications.

Education

Bachelor's degree at NYU Tandon School of Engineering

High School Diploma at Xavier High School

Frequently Asked Questions

What is John Zy's email address?

SignalHire found a verified business email address for John Zy: z****n@rakuten.com.

What is John Zy's phone number?

SignalHire found a verified phone number for John Zy: +81-***-***-1962.

How do I contact John Zy at Rakuten?

You can reach John Zy 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 John Zy's professional background?

John Zy has 10 years of professional experience. They have held roles including Brand Representative, Senior System Engineer, and System Engineer at companies such as Zyfense, Nokia, and HP. Their education includes Bachelor's degree from NYU Tandon School of Engineering, and High School Diploma from Xavier High School.

Is John Zy's contact information up to date?

Yes. John Zy's SignalHire profile was last updated on 8 July 2026, reflecting their current position as Senior Security Engineer at Rakuten in Setagaya-ku, Tokyo, Japan.

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