Junior Infrastructure Engineer・ジュニアインフラエンジニア (2027新卒採用・Entry level)
Japan, Tokyo
Hybrid (remote + office)
Business Development, Customer service, Sales (Corporate)
Full-Time
¥3,500,000
-
¥4,500,000
/
Annual
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.
What we are looking for
Must haves:
• Business level of Japanese
•Conversational level of English
• Strong communication skills
• Ability to estimate power capacity
• Flexible Mindset
• ビジネスレベルの日本語力
• 日常会話レベル以上の英語力
• 優れたコミュニケーション能力
• 電力容量（Power Capacity）の見積もり・算出ができる能力
• 柔軟な思考力・適応力を持ち、変化する環境に対応できること
• Design and manage datacenter capacity (space, power, etc.), maintain inventory levels, produce capacity reports.
• Plan, order, and implement infrastructure and network devices—including racks, power, cabling, patch panels, and network hardware—while coordinating execution with field implementation teams.
• Trigger COLO capacity requests for space/power, track approvals and vendor delivery timelines to support operational and project requirements.
• Support datacenter/COLO consolidation, footprint and power optimization efforts, network expansions and site exit activities.
• Arrange equipment for Colt’s infrastructure as well as coordinating with external vendors to execute on-site installation work.
• Prepare financial forecasts, cost estimates and business cases for new infrastructure, capacity expansions.
• データセンターの収容能力（スペース、電力など）の設計・管理を行い、適正在庫レベルの維持およびキャパシティレポートの作成を担当する。
• ラック、電源設備、ケーブリング、パッチパネル、ネットワーク機器などのインフラおよびネットワーク機器の計画・調達・導入を行い、現地導入チームと連携して実装を推進する。
• データセンター（コロケーション施設）のスペースおよび電力確保に関する申請を行い、承認状況やベンダーの納期を管理しながら、運用およびプロジェクト要件をサポートする。
• データセンター／コロケーション施設の統合、設備配置の最適化、省電力化施策、ネットワーク拡張、および拠点閉鎖プロジェクトを支援する。
• Coltのインフラを構成する機器の手配を行うとともに、外部ベンダーと連携し、現地での設置作業の調整・管理を担当する。
新規インフラ導入や設備増強に向けた財務予測、コスト見積もり、および投資判断のためのビジネスケース作成を行う。
• University Graduate (Telecommunications, Computer Science, IT , Electrical engineering or relevant technical or Engineering stream is preferred)
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.
Monday to Friday
9:00 - 17:00 JST
21 days of Annual Leaves
7 days of Sick Leaves
- Hybrid (remote + office)
- Country / Region
- Japan
- Prefecture (State)
- Tokyo
- Location (Address)
- Minato-ku
- 8-5-26 Akasaka
- 2F, West Wing, Sumitomo Fudosan Aoyama Building
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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.
