Senior Network Engineer – Cisco SD-WAN & Global Infra

Confluence; Dublin; On-site; EUR 90,000 - 130,000; Full time

Job summary

Confluence, located in Ireland (Dublin), seeks a senior networking engineer to own the enterprise network from design to operations in a multi-site environment. You will work with IT stakeholders to deliver scalable, secure network solutions and drive ownership across the lifecycle.

You will lead troubleshooting, optimize performance, and document best practices while mentoring the team and reducing vendor dependency. Strong Cisco Firepower/ISE/SD-WAN experience is highly valued.

Qualifications

• 8+ years in enterprise IT infrastructure or networking.
• Hands-on Cisco (Firepower, ISE, SD-WAN).
• Networking infra knowledge (routing, switching, firewalls, VPNs, load balancing).
• Routing protocols across multi-site (BGP, OSPF, EIGRP).
• Experience designing, implementing, and transitioning to production.
• Strong troubleshooting incl. root cause/resolution.
• Health of infra – patching, upgrades, configurations.

Responsibilities

• Own enterprise network end-to-end—from design through implementation to steady-state operations.
• Lead troubleshooting, optimize performance, and drive continuous improvement across the network estate.
• Deliver knowledge transfer, documentation, and best practices to the wider team.
• Build and own solutions in a large-scale, multi-site environment.

Skills

Networking

Cisco tech

Routing & Switching

BGP/OSPF/EIGRP

Deployment

Troubleshooting

Job description

Confluence, located in Ireland (Dublin), seeks a senior networking engineer to own the enterprise network from design to operations in a multi-site environment. You will work with IT stakeholders to deliver scalable, secure network solutions and drive ownership across the lifecycle.

You will lead troubleshooting, optimize performance, and document best practices while mentoring the team and reducing vendor dependency. Strong Cisco Firepower/ISE/SD-WAN experience is highly valued.