Why We Hire
As RakutenGroupcontinues its rapid global expansion, we are modernizing our network architecture to embrace a "Cloud-First" and "Zero Trust"networkmodel. We are looking for a Senior Network Engineer tosupportthis transformation and ensure our globalcorporate networkinfrastructure 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 foroverall network infrastructure, includingZero Trustnetwork,wired/wireless LAN,Data Center and cloudnetwork, 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 incidentsperform root cause analysis, implement fixes and proactively address performance bottlenecks and capacity constraints.
・Drive the transition from manual configuration to Infrastructure-as-Code (IaC)

Mandatory Qualifications:

・Expert level skill with minimum 6years of experiencein at least five of thefollowing 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. WirelessLAN(MistCisco)
5. NGFWFirewalls(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 monitoringand logging (SNMP,Netflow, ADX)
12. Network automationand 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 ofnetworkexperience
・Experience with enterprise level network with over 100 locations and 5DataCenters
・Zero Trust Network deployment experience withZScaler
・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 levelis preferred

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