Sr Network Engineer

Job Description:

Rakuten International is a division of Rakuten Group Inc. a Japanese global technology leader in services that empower individuals communities businesses and society. Headquartered in San Mateo California with more than 4000 employees worldwide the Rakuten International business portfolio includes market leaders in e-commerce digital marketing advertising communications and entertainment. We create products and services that provide exceptional value by aligning members and the businesses that want to engage them in a shared community.

Job Summary:

In this role you will be responsible for designing implementing and managing the organizations network infrastructure to ensure reliable and secure connectivity. You will configure and maintain routers switches firewalls and other network devices optimizing performance and troubleshooting issues as they arise. Your role includes monitoring network traffic performing upgrades and collaborating with IT teams to align network architecture with business needs.

Key Responsibilities:

• Network Architecture & Design:Lead the design and implementation of highly available secure scalable network solutions acrossLAN WAN Data Center and Cloudenvironments; ensure solutions integrate with existing systems and support future growth.
• Operational Assessment & Optimization:Assess network infrastructure and operational processes to identify optimization opportunities and risk reduction; regularly review performance and implement improvements to maintain high availability and security.
• Advanced Troubleshooting & RCA:Act as the SME for complex network incidentsperformroot cause analysis implement permanent fixes and proactively address performance bottlenecks and capacity constraints.
• Network Security & Zero Trust / ZTNA:Design implement and manage security solutions includingNGFW IDS/IPS VPN (IPsec/SSL) NAC and DDoS mitigation; leadZero Trust / ZTNAimplementations and optimization includingZscaler ZIA/ZPA ensuring alignment with security policies and industry standards.
• Cloud Networking:Architect deploy and manage public-cloud networking (e.g.AWS VPC Azure VNet GCP) includingDirect Connect/ExpressRoute Transit Gateways and other cloud-native networking capabilities.
• Routing Switching & WAN Technologies:Provide expert hands-on leadership for advancedrouting (BGP/OSPF/EIGRP) MPLS SD-WAN (e.g. Cisco Viptela/Meraki FortiManager)and high-performance switching platforms (e.g.Cisco Nexus Arista).
• Automation & Orchestration:Drive network automation initiatives usingPython/Ansibleand network automation platforms to streamline configuration deployment and operational tasks.
• Load Balancing & Application Delivery:Design and manageADCs/load balancers(e.g.F5 BIG-IP Citrix ADC NGINX) to ensure application high availability and performance.
• Monitoring Observability & Analytics:Implement and manage monitoring/logging platforms (e.g.SolarWinds PRTG Splunk ELK Stack) to proactively detect issues analyze performance and produce actionable insights.
• Program/Project Leadership & Delivery:Provide technical leadership on large-scale network initiativescoordinate across teams manage timelines/resources and ensure deliverables meet operational and compliance standards.
• Standards Best Practices & Documentation:Develop and maintain networkarchitecture documentation standards best practices configurations procedures and diagrams; continuously refine processes to improve service delivery and consistency across projects.
• Mentorship & Leadership:Mentor junior engineers share troubleshooting/design best practices and lead technical initiatives from conception through completion.
• Vendor Management:Partner with vendors for technology evaluation procurement and support/escalations.

Qualifications:
To perform this job successfully an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge skill and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

• Routing & Switching: Expert BGP OSPF EIGRP MPLS VRF QoS; SD-WAN (Cisco Viptela/Meraki FortiManager Silver Peak); Network OS (Cisco IOS-XE/XR NX-OS; Juniper Junos; Arista EOS); Data center switching (Cisco Nexus Arista Juniper QFX).
• Network Security: NGFW (Palo Alto Cisco FTD FortiGate); IDS/IPS; VPN (IPsec SSL); NAC (Cisco ISE Aruba ClearPass); DDoS mitigation; WAF; segmentation & Zero Trust principles; Zscaler (ZIA ZPA for SWG/cloud firewall/ZTNA) and ZDX for digital experience monitoring/troubleshooting.
• Cloud Networking: AWS (VPC Direct Connect Transit Gateway Route 53 Security Groups NACLs); Azure (VNet ExpressRoute Virtual WAN NSGs Azure Firewall); GCP (VPC Interconnect Cloud VPN Cloud Routers).
• Automation & Orchestration: Python; Ansible/Puppet/Chef; REST APIs; NetConf/YANG; network automation platforms (Cisco NSO Itential).
• Load Balancing / ADC: F5 BIG-IP (LTM GTM ASM); Citrix ADC (NetScaler); NGINX; HAProxy.
• Wireless: Enterprise Wi Fi (Cisco Meraki Aruba Ruckus); wireless security (WPA2/3 802.1X).
• Monitoring & Observability: SNMP; NetFlow/IPFIX; sFlow; NPM tools (SolarWinds ExtraHop AppDynamics); log management/SIEM (Splunk ELK Stack Sumo Logic).
• Preferred (Voice/Video): QoS for VoIP/video; SIP H.323; Cisco Unified Communications; Microsoft Teams/Zoom network integration.
• Certifications (Highly Preferred): Cisco CCNP Enterprise/Data Center/Security; (CCIE preferred); Juniper JNCIP/JNCIE; Palo Alto PCNSE; Fortinet NSE 4; AWS Certified Advanced Networking Specialty; Azure Network Engineer Associate.

Minimum Requirements:

• 5-7 years Required
• 8-11 years Preferred
• Bachelors Degree Required
• Masters Degree Preferred
• Cisco Certified Network Professional (CCNP) Linux (LPIC or RHC) Upon Hire Required
• Linux (LPIC or RHC) certification Upon Hire Preferred
• Cloud computing (AWS Azure or GCP) certification Upon Hire Preferred

Five Principles for Success
Our worldwide practices describe specific behaviors that make Rakuten unique and united across the world. We expect Rakuten employees to model these 5 Shugi Principles of Success.

Always improve Always Advance - Only be satisfied with complete success - Kaizen
Passionately Professional - Take an uncompromising approach to your work and be determined to be the best
Hypothesize - Practice - Validate Shikumika - Use the Rakuten Cycle to succeed in unknown territory
Maximize Customer Satisfaction - The greatest satisfaction for our teams is seeing their customers smile
Speed!! Speed!! Speed!! - Always be conscious of time - take charge set clear goals and engage your team

At the time of posting Rakuten expects the base compensation for this role to be within the range shown below. Individual compensation will vary based on job-related factors including the skills qualifications and experience of the successful candidate as well as business need and geographic location. The successful applicant for this role will be eligible for discretionary bonus health vision dental insurance 401k matching PTO Volunteer Time Off (VTO) and other employee benefits as the company implements.