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

1036651　Senior Network Engineer - Core Technologies Section, Corporate IT Infrastructure Department (CITID)

仕事内容

Job Description:
Business Overview
The Technology Management Division (TMD) provides Corporate IT, and Cyber
Security & Privacy Governance to Rakuten Group companies and essential business management for technology organizations, thereby enabling innovation and strengthening the technology foundation. Within TMD, the Corporate IT Supervisory Department (CITD) drives Rakuten Group’s global corporate IT services and infrastructure. Our mission is to empower Rakuten through innovative and secure IT solutions that enhance efficiency and foster productivity.



Department Overview

The Corporate IT Infrastructure Department (CITID) provides the stable and reliable technological foundation that supports Rakuten's global business operations. We deliver simple, secure, and robust infrastructure services with operational and engineering excellence, managing core infrastructure, enterprise collaboration platforms, development support tools and project management.



Position:
Why We Hire 

As Rakuten Group continues its rapid global expansion, we are modernizing our network architecture to embrace a "Cloud-First" and "Zero Trust" network model. We are looking for a Senior Network Engineer to support this transformation and ensure our global corporate network infrastructure remains agile, secure and highly available. 
  


Position Details 

You'll join a global team and will have a lot of chances to work for global projects as well as domestic projects. 
Your responsibilities will include: 
・Design, verification, construction, operation and user support for overall network infrastructure, including Zero Trust network, wired/wireless LAN, Data Center and cloud network, WAN, remote access, authentication, firewall and load balancer. 
・Propose and engage in selection process for new technology/product/design. 
・Work for various projects with domestic or global infrastructure team. 
・Mentor junior engineers, share troubleshooting/design best practices, and lead technical initiatives from conception through completion. 
・Develop and maintain network architecture documentation, standards, best practices, configurations, procedures and diagrams. 
・Act as the SME for complex network incidents : perform root cause analysis, implement fixes and proactively address performance bottlenecks and capacity constraints. 
・Drive the transition from manual configuration to Infrastructure-as-Code (IaC) 

求める経験・スキル

Mandatory Qualifications: 
・Expert level skill with minimum 6 years of experience in at least five of the following products/technologies: 
1.Core network routing (OSPF, BGP, VRF) 
2. Data Center and branch office switching (Cisco Catalyst, Nexus, HPE) 
3. Zero Trust Network (ZScaler : ZIA, ZPA, ZCC, ZDX) 
4. Wireless LAN (Mist/Cisco) 
5. NGFW Firewalls (Palo Alto, Fortigate, IDS/IPS, URL Filtering) 
6. Public cloud networking (AWS, Azure, GCP) 
7. SDWAN (EdgeConnect, Fortinet, etc.) 
8. Site-to-Site VPN (IPsec, DMVPN) 
9. Network Authentication (Cisco ISE, 802.1x, RADIUS, TACACS+) 
10. AIOps 
11. Network monitoring and logging (SNMP, Netflow, ADX) 
12. Network automation and orchestration
 
 ・Negotiation and troubleshooting experience with vendors/telecommunication carriers 
・Strong analytical, communication, problem solving and documentation skills 
・Strong interest with new network technologies 
・ Bachelor's Degree in Computer Science/Computer Engineering 
・Professional level of certification from vendors (Cisco, ZScaler, Juniper, PaloAlto, Fortinet, HPE) 
・Strong stakeholder management skills and communication skills 
 
Desired Qualifications: 
・More than 10 years of network experience 
・Experience with enterprise level network with over 100 locations and 5 Data Centers 
・Zero Trust Network deployment experience with ZScaler 
・Depth knowledge and experience in network securities (IDS, IPS, URL Filtering, etc.) 
・Knowledge in Active Directory, Windows/MacOS/Linux
・Project Management experience 

Other Information:
Additional information on English Qualification 
English : Business level (TOEIC 800 or higher) or Native 
Japanese : At least conversational level is preferred