Junior Network Engineer・ジュニアネットワークエンジニア (2027新卒採用・Entry level)

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Japan, Tokyo Hybrid (remote + office) Business Development, Customer service, Sales (Corporate) Full-Time ¥3,500,000 - ¥4,500,000 / Annual (Bonus & Benefits Excluded)
36130 | Colt Technology Services Co., Ltd | Posted 2026-02-17
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Colt Technology Services Co., Ltd - Junior Network Engineer・ジュニアネットワークエンジニア (2027新卒採用・Entry level)
Summary

We’re Colt (Coltテクノロジーサービス株式会社), a global digital infrastructure company creating solutions that connect people, cities and businesses around the world. Our networking and connectivity products and services put the power of the digital universe in the hands of our customers.

Looking to make your mark?
We empower our teams to change the world, for the better. We're passionate about our people and we believe that recruiting and developing the next generation of talent is key to our continued success.

At Colt, you’ll get the opportunity to build a career with clear development opportunities in a global organization. Our graduates, apprentices and careers starters get the support and control they need to drive their professional development forward. From on-the-job training to formal learning and mentoring, you will be supported to make your mark at Colt.

Key Qualifications

What we are looking for
• Customer oriented
• Takes the initiative and ownership for tasks and responsibilities given to them
• Flexible and adaptable to change
• With good technical knowledge in IT / Telecommunications Network infrastructure engineering.
• Someone who thrives on teamwork
• Ability to think and act proactively and logically
• Ability to communicate effectively in Japanese and English

【必須】
• 大学卒業者(電気通信、コンピュータサイエンス、IT、エンジニアリング)
• 電気通信ネットワークに関する知識または興味がある方
• 日本語能力(ビジネスまたはネイティブレベル)

【歓迎】
• 英語能力
• お客様志向
• 与えられた仕事や責任に対して、率先して責任を持って取り組む方。
• 変化に柔軟に対応できる方
• チームプレイヤー
• 主体的かつ論理的に考え、行動できる方

Responsibility

What you’ll be trusted with
• Under the guidance of management, the Graduate Engineer Trainee will rotate through different roles to perform various tasks related to Colt Network and services.
• Work in technologies and products such as Optical, Ethernet, IP and leading technologies such as SDN, Cloud based services.
• Shadowing senior staff members, asking questions, and assisting wherever possible.
• Raising concerns and making suggestions for improvement where appropriate.

【業務責任】
• 経営陣の指導の下、新卒エンジニア研修生はさまざまな役割をローテーションして、Colt Network およびサービスに関連するさまざまなタスクを実行します。
• 光、イーサネット、IP、および SDN、クラウドベースのサービスなどの主要なテクノロジーなどのテクノロジーや製品に携わる。
• 上級スタッフをフォローし、質問し、可能な限り支援します。
• 必要に応じて懸念事項を提起し、改善のための提案を行います。

Education

• University Graduate (Telecommunications, Computer Science, IT or relevant technical or Engineering stream is preferred)

Other

What we offer you:
Looking to make a mark?

At Colt, you’ll make a difference. Because around here, we empower people. We don’t tell you what to do.

Instead, we employ people we trust, who come together across the globe to create intelligent solutions.

Our global teams are full of ambitious, driven people, all working together towards one shared purpose: to put the power of the digital universe in the hands of our customers wherever, whenever and however they want.

We give our people the opportunity to inspire and lead teams, and work on projects that connect people, cities, businesses, and ideas. We want you to help us change the world, for the better.

Diversity and inclusion

Inclusion and valuing diversity of thought and experience are at the heart of our culture here at Colt. From day one, you’ll be encouraged to be yourself because we believe that’s what helps our people to thrive. We welcome people with diverse backgrounds and experiences, regardless of their gender identity or expression, sexual orientation, race, religion, disability, neurodiversity, age, marital status, pregnancy status, or place of birth.

Most recently we have:

・Signed the UN Women Empowerment Principles which guide our Gender Action Plan
・Trained 60 (and growing) Colties to be Mental Health First Aiders
・Please speak with a member of our recruitment team if you require adjustments to our recruitment process to support you.
・For more information about our Inclusion and Diversity agenda, visit our DEI pages.

Benefits

Our benefits support you through all parts of life, for both physical and mental health.
・Flexible working hours and the option to work from home.
・Extensive induction program with experienced mentors and buddies.
・Opportunities for further development and educational opportunities.
・Global Family Leave Policy.
・Employee Assistance Program.
・Internal inclusion & diversity employee networks.

A global network

When you join Colt you become part of our global network. We are proud of our colleagues and the stories and experience they bring – take a look at ‘Our People’ site including our Empowered Women in Tech.


Working Hours

Monday to Friday
9:00 - 17:00 JST

Holidays

21 days of Annual Leaves
7 days of Sick Leaves

Location Details
Hybrid (remote + office)
Country / Region
Japan
Prefecture (State)
Tokyo
Location (Address)
Minato-ku
Roppongi 1-6-1
Izumi Garden Tower, 27F

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Colt Technology Services Co., Ltd

We're a global digital infrastructure company. We create solutions that connect people, cities and business around the world. We empower our teams to change the world, for the better.

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