Nirjhar Mustafi: Email & Phone Number

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Site Reliability Engineering Manager at Fast Accounting|Greater Tokyo Area, Japan

Position:

Site Reliability Engineering Manager at Fast Accounting

Location:

Greater Tokyo Area, Japan

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Last updated: 2026-06-05

Updated: 2026-06-05

Found email addresses for Nirjhar Mustafi:

Business emails:

n*************i@fastaccounting.ai

Personal emails:

c********5@gmail.com

Found phone for Nirjhar Mustafi:

+81-***-***-1169

A different Nirjhar Mustafi?

Work Experience 19 years

Site Reliability Engineering Manager at Fast Accounting

Jun 2023 - Current

SRE Tech Lead at Fast Accounting

Jun 2023 - Jul 2024

Technical Section Manager (SRE) at Rakuten Mobile, Inc.

Sep 2020 - Oct 2023

Solution Architect (Strategic Planning) at Rakuten Mobile, Inc.

Feb 2020 - Sep 2020

Technical Solution Specialist at Nokia

Feb 2018 - Feb 2020

Technical Lead at Ericsson

Feb 2012 - Feb 2018

Senior Operation Engineer at Nokia

Aug 2009 - Feb 2012

Operation Engineer at Aster Pvt Ltd

Apr 2008 - Jul 2009

Engineering Intern at GTL Limited

Oct 2007 - Apr 2008

Nirjhar Mustafi started working in 2007, then the employee has changed 5 companies and 8 jobs. On average, Nirjhar Mustafi works for one company for 2 years 2 months.

Nirjhar is proficient in English and Japanese. Their professional focus is 5G NR, Cloud Ran, and Consulting across 3 core areas.

Nirjhar holds Agile Scrum Master and ITIL Foundation certifications.

Education

Bachelor of Technology - BTech at West Bengal University of Technology

Frequently Asked Questions

What is Nirjhar Mustafi's email address?

SignalHire found verified email addresses for Nirjhar Mustafi, both business and personal. Their business email is n*************i@fastaccounting.ai, and personal emails include c********5@gmail.com.

What is Nirjhar Mustafi's phone number?

SignalHire found a verified phone number for Nirjhar Mustafi: +81-***-***-1169.

How do I contact Nirjhar Mustafi at Fast Accounting?

You can reach Nirjhar Mustafi 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 Nirjhar Mustafi's professional background?

Nirjhar Mustafi has 19 years of professional experience. They have held roles including SRE Tech Lead, Technical Section Manager (SRE), and Solution Architect (Strategic Planning) at companies such as Fast Accounting, Rakuten Mobile, Inc., and Rakuten Mobile, Inc.. Their education includes Bachelor of Technology - BTech from West Bengal University of Technology.

Is Nirjhar Mustafi's contact information up to date?

Yes. Nirjhar Mustafi's SignalHire profile was last updated on 5 June 2026, reflecting their current position as Site Reliability Engineering Manager at Fast Accounting in Chicago, Illinois, United States.

Nirjhar Mustafi Namesakes

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Nirjhar Mustafi

WanderOn

Search Engine Optimization

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Nirj Chakraborty

Memorial Sloan Kettering Cancer Center

Research Data Analyst - Dept. of Epidemiology & Biostatistics

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Nirjhar

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Student

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