Company Introduction

Updated: February 10, 2021

  • Software Development
  • Information Service


  • E-SIR
Tel +81-98-841-1300
Fax +81-98-841-1301
Location 〒900-0003
Naha1-18-20 Aja
Representative Director and President Masato Kubota
Capital 10.000.000 yen
Founded 2000/5

Message to Candidates

Why do not you become a skilled engineer with E-SIR!

Energetic and amenable
The way people can communicate

Inexperienced people: those interested in IT (especially network, server)
Experienced people: those who have confidence in IT (especially OSS)

Company Profile

\\\"From Okinawa to Japan, even to the world ...\\\"
We mainly use OSS (open source software).
OSS supports advanced technologies such as cloud and big data, and is a worldwide technology that is used worldwide.
We train engineers for OSS and provide IT services with superior TCO to our customers.

Overview of Business Content・Products and Services

At E-SIR, we offer services mainly OSS.
· Design, construction, operation and maintenance of information systems
· Design, construction, operation and maintenance of network system
· OSS solution service
· IT human resources training

Proprietary Technologies and Other Strengths

OSS products, solutions
Linux, Apache, Tomcat, MySQL, PostgreSQL, PHP, JAVA
Openstack, ZABBIX, NetCommons

Acquired ISMS (ISO 27001)

Main Achievements・History・Group Companies

■ Established May 2000

■ Major Participating Organizations
· Public interest corporation Okinawa prefecture information industry association
· IT Innovation and Strategy Center Okinawa
· Foundation International Information Technology Cooperation Center CICC
· Japan OSS Promotion Forum

■ Main Business Results (Please refer to
· Okinawa City Area ICT Utilization Project
· Taketomi-cho Area Regional Integrated Portal Gateway Project
· Quasi-Zenith Satellite Demonstration Project
· International Information Technology Cooperation Center (CICC) like Foundation Information System Restructuring Contract
· Okinawa Convention Bureau Okinawa Tourism Platform Building Project
· Okinawa Convention Bureau Okinawa Film Office Renewal Site Foundation
· Naha City u-Okinawa Platform Construction Project