CareerCross uses cookies to enhance your experience on our websites. If you continue to view our sites without changing your browser settings, then it is assumed that we have your consent to collect and utilise your cookies. If you do not want to give us your consent, then please change the cookie settings on your browser. Please refer to our privacy policy for more information.
CareerCross uses cookies to enhance your experience on our websites. If you continue to view our sites without changing your browser settings, then it is assumed that we have your consent to collect and utilise your cookies. If you do not want to give us your consent, then please change the cookie settings on your browser. Please refer to our privacy policy for more information.
| Hiring Company | 大手証券会社のデータセンター |
| Location | Tokyo - 23 Wards, Minato-ku |
| Job Type | Contract |
| Salary | 9 million yen ~ 13 million yen |
ネットワークエンジニア(金融インフラ/データセンター/オンプレミス)
■職種
金融系ネットワークエンジニア
■勤務地
東京都港区
■給与
経験・スキルにより応相談
■勤務時間
8:30~17:15(休憩60分)
休日・夜間勤務あり
原則毎週土曜日作業あり(代休取得可)
■仕事内容
金融機関向けオンプレミス型データセンター環境におけるネットワークインフラの設計・構築・運用保守を担当していただきます。
ネットワークおよびセキュリティの設計・導入から、運用設計、保守、改善提案までインフラライフサイクル全体に携わります。
システム全体のアーキテクチャ設計、改修、構築、運用、保守を幅広く担当いただくポジションです。
■主な業務内容
ネットワーク設計・構築・運用の推進
ネットワーク機器の設定および運用管理
要件ヒアリングおよびネットワーク全体設計
トラブルシューティングおよび週末メンテナンス対応
設計書・構成図・提案資料などのドキュメント作成
関係部署・ステークホルダーとの連携
Network Engineer – Financial Infrastructure (Data Center / On-Premise)
Job Type
Network Engineer (Financial Systems)
Location
Minato-ku, Tokyo, Japan
Salary
Negotiable (based on experience and skills)
Working Hours
8:30 AM – 5:15 PM (60-minute break)
Weekend and night work required
Regular Saturday work (weekday compensatory leave provided)
Job Description
We are seeking an experienced Network Engineer to support mission-critical financial infrastructure in an on-premises data center environment.
This role covers the full lifecycle of network infrastructure, including design, implementation, operation, maintenance, and continuous improvement. You will be responsible for end-to-end network and security architecture as well as system enhancement and operational stability.
Responsibilities
Lead network design, implementation, and operational management
Configure and maintain network devices during deployment and operations
Gather requirements and design end-to-end network architecture
Perform troubleshooting and support scheduled weekend maintenance
Produce technical documentation (design documents, diagrams, presentations)
Collaborate with internal teams and stakeholders to improve infrastructure
| Minimum Experience Level | Over 3 years |
| Career Level | Mid Career |
| Minimum English Level | Business Level (Amount Used: English usage about 25%) |
| Minimum Japanese Level | Fluent |
| Other Language | Chinese (Mandarin) |
| Minimum Education Level | Technical/Vocational College |
| Visa Status | Permission to work in Japan required |
■応募要件(必須)
ネットワーク運用/設計/構築の実務経験5年以上
(L2/L3ネットワーク、ファイアウォール設計・運用)
Cisco ACIの実務経験2年以上
Cisco Systems 技術におけるCCIEレベル相当の知識・経験
ネットワークシステム全体の設計・構築経験
円滑なコミュニケーション能力
■歓迎スキル
英語または中国語(ビジネスレベル歓迎)
プリセールス経験
プロジェクト管理またはチームリーダー経験
Cisco認定資格(CCIE等)
情報処理技術者資格
PMPなどプロジェクトマネジメント資格
■語学力
日本語:ビジネスレベル以上
英語または中国語:歓迎
■求める人物像
主体的にプロジェクトを推進できる方
ミッションクリティカルな環境での業務に対応できる方
問題解決力・分析力の高い方
技術ドキュメント作成が得意な方
Required Skills
5+ years of hands-on experience in network operations, design, and implementation
(L2/L3 networking and firewall design/operation)
2+ years of hands-on experience with Cisco ACI
CCIE-level knowledge and experience with Cisco technologies
Experience designing and implementing enterprise-wide network systems
Strong communication and cross-team collaboration skills
Preferred Skills
Business-level English or Chinese
Pre-sales experience
Project management or team leadership experience
Cisco certifications (e.g., CCIE)
National IT certifications
PMP or other project management certifications
Language Requirements
Japanese: Business level or above
English or Chinese: Preferred
Ideal Candidate
Proactive and able to lead infrastructure initiatives
Strong troubleshooting and analytical skills
Comfortable working in mission-critical financial environments
Able to manage documentation and technical communication clearly
| Job Type | Contract |
| Salary | 9 million yen ~ 13 million yen |
| Work Hours | 月〜金、8:30~17:15(休憩60分) |
| Holidays | 週休二日制 |
| Industry | IT Consulting |
| Company Type | Small/Medium Company (300 employees or less) |
| Non-Japanese Ratio | About half Japanese |