Staff Network Engineer

About the role

Cadence, a leader in electronic design software, hardware and IP, is hiring a Staff Network Engineer based in Cork or Dublin, Ireland. The role reports to the Senior Engineering Group Director and covers the design, deployment and operation of the company's global enterprise network across data centres, campus environments and WAN. It focuses on secure, highly available connectivity and leading high-impact initiatives with clear, measurable outcomes.

Key responsibilities

• Design and deliver scalable, resilient data centre and campus network solutions using Cisco, Arista, HPE and Aruba platforms
• Support WAN operations, including internet edge and SD-WAN integrations, with consistent routing and security
• Lead complex troubleshooting and root-cause analysis, implementing preventive changes to reduce incidents and unplanned outages
• Partner with Data Centre, Storage, Virtualisation, Windows, Unix, Cloud Ops and Security teams on cross-domain initiatives
• Maintain network documentation, diagrams, standards and runbooks, and operate solutions for day 2 with monitoring, alerting, capacity planning and change processes
• Communicate status, risks and trade-offs to stakeholders and manage deliverables and timelines

Required profile

• 12-15 years of experience in enterprise network architecture, design, deployment and operations (data centre, campus, WAN and hybrid cloud)
• Bachelor's degree in Computer Science, Engineering or a related field
• Extensive hands-on experience designing, deploying and operating enterprise networks
• Ability to lead complex troubleshooting, incident response and change, risk and lifecycle management
• Strong communication skills, able to explain technical details to executives

Required skills

• Cisco certification required (CCNP preferred; CCIE a strong plus)
• Routing and switching (BGP, OSPF, EVPN/VXLAN) and high availability (MLAG/vPC, LACP)
• Network security basics: segmentation, ACLs, firewall integration, secure remote access
• NAC/AAA solutions such as Cisco ISE and/or Aruba ClearPass
• Preferred: SD-WAN, Cisco VPN, F5 load balancers, network automation, observability, telemetry or scripting

What we offer

• Competitive salary and 25 days holiday per year
• Private healthcare and life insurance, group pension plan
• Cycle to work scheme and gym subsidy
• 5 days of paid time to volunteer, employee stock purchase plan