掲載日 ・ 2026/07/01
楽天グループ株式会社
楽天グループ株式会社:1033457 Senior Manager/Group Manager – Network Section, Infrastructure Services Department (INSD)
非公開
東京都
楽天グループ
インターネットサービス(EC、メディア、アプリ)
PM・プロジェクトマネジメント
会社名
楽天グループ株式会社
会社概要
未来を信じ、より良い明日を創っていく。
イノベーションを通じて、人々と社会をエンパワーメントする。私たちは、そんな想いを大切に世界の人々に喜びと楽しさを届けます。
楽天は、E コマース、FinTech、デジタルコンテンツ、通信など、70 を超えるサービスを展開し、世界10 億以上のユーザーに利用されています。
これら様々なサービスを、楽天会員を中心としたメンバーシップを軸に有機的に結び付け、他にはない独自の「楽天エコシステム」を形成しています。ダイバーシティ推進は、楽天にとって最優先の企業戦略のひとつです。従業員の出身は70カ国・地域以上。世界中からユニークで多様な文化的背景や視点を持つ優秀な人材が集まり、イノベーションの原動力になっています。社内カフェテリアにはベジタリアン、ハラル対応のメニューを用意。礼拝所(Prayer room)もあります。
また、仕事と育児の両立支援や、障がい者雇用・活躍促進も積極的に推進。社内のLGBT(※1)当事者やアライ(※2)に対して、情報共有やサポート体制の強化も進めています。誰もが自分らしく力を最大限発揮して働ける。それが楽天のダイバーシティです。
70を超えるサービスを提供し、世界30カ国にサービス展開拠点を持ち、従業員の出身国・地域数は100を超え、オープンポジション制度を活用して多様なキャリアを描くことができる点も魅力です。
フレックスタイム制度、事情に応じたリモートワークの活用が可能です。本社には託児所やフィットネスジム、三食無料で利用可能なカフェテリアが併設されるなど、社員を支える環境が整備されています。
ポジション
1033457 Senior Manager/Group Manager - Network Section, Infrastructure Services Department (INSD)
仕事内容
Key Responsibilities
Network Operational Excellence and Team Empowerment
- Deeply understand and instill the highest quality management standards - consistent with ITIL, hyperscalers, and financial institutions for mission-critical systems - across the entire Rakuten Network team
- Aggressively drive automation and AI integration throughout all NW operational processes (planning, execution, monitoring, incident response) to achieve superior operational speed, eliminate human errors, and maximize operational quality
- Foster a culture of precision by thoroughly reviewing and analyzing operational procedures developed by NW engineers to ensure highly accurate operations
- During NW incidents, swiftly and accurately identify the overall NW configuration, critical traffic routes, fault locations, and broader NW impacts, then control and lead fault recovery efforts
- Commit to achieving operational excellence in every NW process, thoroughly leading all NW team members to continuously improve their mindset and work methodologies
Strategic Network Architecture and Capacity Management
- Lead the design and implementation of reliable, scalable, future-proof, and cost-efficient network architectures for mission-critical, large-scale networks, based on in-depth analysis of existing challenges
- Plan and implement optimal network configurations and management methods, including data center fabric networks, Firewalls, Load Balancers, and external network interconnections (Public Cloud, ISP/IX, Rakuten's internal networks)
- Establish effective capacity management methodologies, estimate necessary capacity for future business growth, and drive proactive resource optimization
- Identify bottlenecks and continuously optimize the performance of network components (Firewalls, Load Balancers, DC fabrics, inter-DC communication)
Network Product and Service Management with P/L Responsibility
- Strategically plan and promote network service menus, specifications, and pricing based on the criticality of each Rakuten service/application
- Manage the P/L throughout the service lifecycle, setting appropriate pricing and managing billing cycles to achieve break-even points
- Lead the planning of network configurations (including QoS) and operations (including self-service) tailored to specific business needs, and drive the definition of service menus and requirements
Global Network and Project Management
- Manage multiple concurrent projects for new network deployments (data center, backbone, external connections to IX/ISP/Public Cloud) and EOL network migrations
- Drive global network architecture upgrades, establish global team structures, and foster collaborations with overseas organizations to improve P/L and identify new business opportunities
求める経験・スキル
Mandatory Qualifications:
- Bachelor's degree in Computer Science, Information Technology, or a related field (Master's degree preferred)
- More than 10 years of experience in network architecture design, operations, and management for mission-critical, large-scale networks
- Proven track record of leadership and successful execution of large-scale and complex network projects
- Deep expertise in network technologies (routing/switching, security, cloud networking, SDN/NFV, AI-Ops)
- Strategic thinking and a demonstrated history of contributing to organizational growth
- Exceptional leadership, team-building, and communication skills. Ability to collaborate and drive execution effectively in a global, cross-functional team environment
- Strong analytical and problem-solving abilities
- Business-level proficiency in both Japanese and English
Essentials for working in this position- Deep empathy with Rakuten's mission, values, and action guidelines (Rakuten Shugi), and a passion for contributing to their achievement
- An unwavering commitment to achieving "zero downtime" for network services and an exceptionally high mindset for service quality- A commitment to pursuing operational excellence in all NW operational processes, and the ability to thoroughly lead team members in continuous improvement of their mindset and work methodologies
- A strong drive to continuously identify new challenges, lead their resolution through technology and leadership, and contribute to the growth of Rakuten's services and business- A strong commitment to user contribution and value provision, demonstrating behavioral traits that serve as a role model for team members