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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Sr Network Engineer - **Company:** Rakuten - **Location:** San Mateo, CA, United States - **Experience:** Expert - **Salary:** $99,306.0 - $171,612.0 - **Contract:** Permanent contract - **Skills:** IEEE 802.1X, Amazon Web Services, Data Analysis, Microsoft Azure, Border Gateway Protocol, VoIP, Network Operating System (NOS), Cloud Computing, Cloud Engineering, Complex Networks, Data Centers, DDoS Mitigation, Linux, Enhanced Interior Gateway Routing Protocol, H.323 Protocol, HAProxy, Monitoring of Systems, Networking Hardware, Internet Protocol Security (IP SEC), Intrusion Detection Systems, Virtual Private Networks (VPN), Multi-protocol Systems, Junos, Python (Programming Language), Network Security, Netconf, NetFlow, Network Architecture, Wireless Security, Network Monitoring, Routing, Cisco Nexus Switches, Citrix Systems, Nginx, Open Shortest Path First (OSPF), Paessler Router Traffic Grapher, Ansible, Zero Trust Network Access, Security Information and Event Management, Simple Network Management Protocols, Software Deployment, Wide Area Networks, Wi-Fi Technology, Data Logging, Network Switches, Network Routers, Transport Layer Security, Identity Services Engine, Load Balancing, Cloud Platform System, Nx-os, System Availability, Firewalls (Computer Science), Amazon Virtual Private Cloud (VPC), Juniper, SolarWinds (Software), Enterprise Integration, Npm(Software), Fortinet, Routing & Switching, Sumo Logic (Software), Route53, Puppet, Restful APIs, Open Network Automation Platform, Splunk, Appdynamics, Big Ip, Cisco, Elk Stack, Citrix Netscaler - **Published:** May 29, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=620fdb0d9863b44b ## About the Role Do you have experience in Zero trust architecture design?, Do you have a Bachelor's degree?, 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 * Bachelor's Degree Required * Master's 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 ## Description In this role, you will be responsible for designing, implementing, and managing the organization's 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., Network Architecture & Design: Lead the design and implementation of highly available, secure, scalable network solutions across LAN, WAN, Data Center, and Cloud environments; 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 incidents-perform root cause analysis, implement permanent fixes, and proactively address performance bottlenecks and capacity constraints. * Network Security & Zero Trust / ZTNA: Design, implement, and manage security solutions including NGFW, IDS/IPS, VPN (IPsec/SSL), NAC, and DDoS mitigation; lead Zero Trust / ZTNA implementations and optimization, including Zscaler 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) including Direct Connect/ExpressRoute, Transit Gateways, and other cloud-native networking capabilities. * Routing, Switching & WAN Technologies: Provide expert hands-on leadership for advanced routing (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 using Python/Ansible and network automation platforms to streamline configuration, deployment, and operational tasks. * Load Balancing & Application Delivery: Design and manage ADCs/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 initiatives-coordinate across teams, manage timelines/resources, and ensure deliverables meet operational and compliance standards. * Standards, Best Practices & Documentation: Develop and maintain network architecture 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., 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 ## Related Videos - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [Small, Secure, Interconnected: The next Internet Protocol](https://www.wearedevelopers.com/videos/100062-small-secure-interconnected-the-next-internet-protocol) - [Post-Quantum Cryptography: Preparing for Q-Day](https://www.wearedevelopers.com/videos/100179-post-quantum-cryptography-preparing-for-q-day) - [Getting under the skin: The Social Engineering techniques](https://www.wearedevelopers.com/videos/38-getting-under-the-skin-the-social-engineering-techniques) - [Your Infrastructure Is Not a Playground: AI Agents for Infra Done Right](https://www.wearedevelopers.com/videos/2084-your-infrastructure-is-not-a-playground-ai-agents-for-infra-done-right) - [Computer Vision from the Edge to the Cloud done easy](https://www.wearedevelopers.com/videos/263-computer-vision-from-the-edge-to-the-cloud-done-easy) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Best US AI Conferences for CTOs in 2026: Build vs. Buy, Vendor Evaluation, and Peer Intelligence](https://www.wearedevelopers.com/magazine/736-best-us-ai-conferences-for-ctos-in-2026-build-vs-buy-vendor-evaluation-and-peer-intelligence) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers)