Optical Engineer・エンジニア (2025新卒採用・Entry level)

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Japan, Tokyo Telecommunications Full-Time
6077 | Colt Technology Services | Posted 2024-04-01
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Colt Technology Services - Optical Engineer・エンジニア (2025新卒採用・Entry level)

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
• University Graduate in Telecommunications, Computer Science, IT or relevant technical or Engineering stream is preferred
• Takes the initiative
• Has positive attitude
• Flexible, quick and adaptable to change
• Engages and collaborates with teams
• Keen to learn, grow knowledge and contribute to telecom network projects and objectives
• Possess technical knowledge/awareness of telecommunications network
• Ability to communicate effectively in Japanese and English
• Able to work in Japan

• 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ついて学びたい方
• 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)
• 日本で働くことができる方

• 英語能力
• 率先して行動し、前向きな姿勢を持つ方
• 変化に柔軟に対応できる方
• チームプレイヤー


What you’ll be trusted with:
• As a Graduate Engineer, you will work across our Engineering teams, developing a deep understanding our global telecom network, products and services across the network layers (fibre, optical, packet, voice and technical sites).
• You will build your technology expertise through supporting our engineers to innovate and maintain the next generation of industry leading technology and services.
• Maintain a high quality of output and ensure completion of tasks to defined targets of capacity, technology testing and performance and customer satisfaction, successful project completion on time with zero error.
• Support in databases and tool updates for capacity, technology and migration projects.
• Ensure to update your quality reports on regular basis and work on improvement plans.

• 新卒エンジニアとして、当社のエンジニアリング チーム全体で働き、ネットワーク層 (ファイバー、光、パケット、音声、および技術サイト) にわたる当社のグローバル通信ネットワーク、製品およびサービスについて深く理解を深めていただきます。
• 次世代の業界をリードするテクノロジーとサービスの革新と維持を行う当社のエンジニアをサポートすることで、テクノロジーの専門知識を構築していただきます。
• 高品質の出力を維持し、キャパシティ、テクノロジーのテスト、パフォーマンス、顧客満足度などの定義された目標に沿ってタスクを完了し、エラーなくプロジェクトを時間通りに完了することを保証します。
• 容量、テクノロジー、移行プロジェクトのためのデータベースとツールのアップデートのサポート。
• 品質レポートを更新し、改善計画に取り組みます。


We welcome applications from those with disabilities including those with a disability certificate.

Inclusion, and valuing diversity of thought and experience, is at the heart of our culture here at Colt. From day one, you'll be encouraged to be yourself as 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.

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 and activities, please visit this link: https://www.colt.net/about/inclusion-diversity/

About Colt

At Colt, we provide world-class network and voice connectivity across Europe, Asia and North America’s largest business hubs. We’ve been specialists in our field for nearly three decades - and we've won awards for being a technology innovator and pioneer. We go above and beyond to deliver extraordinary connections to help our customers succeed, and we have the industry leading net promoter score (NPS) to prove it.

What is it like working with us?

As well as our competitive salaries and incentive plans, we have lots of flexible benefits and local rewards packages. We also know that a work life balance is important, and our people say it’s one of the great advantages of working at Colt.

Our values

We live by our Colt values every day, whether we're launching new projects or solving problems together. Our values represent how we behave and are integral to our culture.

We know people matter

Whether it's a customer, a partner or an employee, we build relationships based on trust, honesty, respect and integrity. We value diversity and strive to be more inclusive so everyone has the freedom to speak up, be heard and thrive.

We always find a better way

By staying one step ahead we empower our customers to succeed through the power of connectivity. We're swift to adapt and take responsibility for the promises we make.

We win together

We believe in the power of many and stand shoulder to shoulder with customers, partners and colleagues collaborating on ideas, sharing risks and recognition among all. When we make a decision we understand its impact, and rally behind the decision to make it a success.

We can change the world

We want to make the world a better place. Better connected, more sustainable, fairer for all. We use what we have - passion, technology and connectivity - to create good.

Visit www.colt.net/about-colt to find out more.

Location Details
Country / Region
Prefecture (State)
Location (Address)
〒106-0032 Tokyo, Minato City, 6, 六本木 1 6 1 泉ガーデンタワー 27F

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Colt Technology Services

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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