IT - Staff Network Engineer
cadence
📍 osaka01 yokohama 02 tokyo 03 nagoya 01 japan🕐 1mo ago🔗 workday
Job Description
**At Cadence, we hire and develop leaders and innovators who want to make an impact on the world of technology.**
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Senior, hands-on Network Engineer/Architect to design, deploy, and operate Cadence’s global enterprise network across data centers, campus environments, and WAN. This role ensures secure and highly available connectivity, and leads delivery of high-impact initiatives with measurable outcomes. The ideal candidate has a results-driven mindset, deep operational rigor, and a proven track record of executing complex network programs end-to-end.
**Key Responsibilities:**
* Design and deliver scalable, resilient Data Center, Campus Network solutions using Cisco, Arista, HPE, and Aruba platforms.
* Support WAN operations such as internet edge, and SD-WAN integrations with consistent routing and security posture.
* Lead complex troubleshooting, root-cause analysis, and implement preventive changes to prevent incidents and unscheduled outages.
* Partner with various teams such as Data Center, Storage, Virtualization, Windows, Unix, Cloud Ops, and Security to provide technical direction and deliver cross-domain programs
* Establish and maintain network documentation, diagrams, standards, and runbooks; ensure designs are supportable and operationally ready.
* Operationalize delivered solutions for Day 2 operations, including monitoring/alerting, capacity planning, lifecycle management, and change/release processes.
* Provide clear, timely status, risks, and tradeoffs to stakeholders; manage deliverables, timelines, and dependencies across multiple initiatives.
**Required Skills:**
* 12+ years of hands-on experience designing, deploying, and operating enterprise networks using Cisco/Arista and Aruba (wired/wireless) platforms.
* Expert-level routing and switching knowledge (BGP, OSPF, EVPN/VXLAN), high availability (MLAG/vPC, LACP), and data center networking design patterns.
* Strong background in network security fundamentals (segmentation, ACLs, firewall integrations, secure remote access) and partnering with Security teams on controls and audits.
* Hands-on experience with NAC/AAA solutions including Cisco ISE and/or Aruba ClearPass.
* Experience with SD-WAN design/operations and hybrid connectivity patterns is a strong plus.
* Experience supporting Cisco VPN, Aruba ClearPass, F5 Load Balancer is a plus.
* Experience with network automation and observability (e.g., scripting, templating, telemetry, monitoring/alerting) to improve reliability and reduce MTTR.
* Exceptional problem-solving and analytical skills with disciplined incident, change, and risk management practices.
* Strong communication skills, able to translate technical details into executive-ready updates, options, and recommendations.
* Thrives in dynamic environments with the ability to prioritize, manage ambiguity, and drive outcomes across competing business needs.
**Qualification:**
* 12–15 years of experience in enterprise network architecture, design, deployment, and operations (data center, campus, WAN and hybrid cloud).
* Bachelor’s degree in Computer Science, Engineering, or a related field.
* Cisco certification required (CCNP preferred; CCIE a strong plus).
**We’re doing work that matters. Help us solve what others can’t.**
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