Senior Network Engineer - Datacenter & HPC Fabric

Maven Ventures; Dublin; On-site; EUR 70,000 - 110,000; Full time

Job summary

SpaceXSI in Dublin is seeking a Sr. Network Engineer to design, deploy, and operate production datacenter and campus/core networks at scale, owning routing and switching strategies and ensuring high availability.

This hands-on role requires experience with BGP, IGPs, TCP/IP, EVPN/VXLAN, and network automation using Python or Ansible; travel to build sites may be required, and on-call rotation is expected.

Qualifications

• Bachelor's degree or higher in a relevant engineering field.
• 5+ years designing/operating production networks in datacenter/cloud/enterprise.
• Strong troubleshooting and on-call experience preferred.

Responsibilities

• Design, deploy, and operate production datacenter and campus/core networks at scale.
• Own routing and switching configuration standards (BGP and an IGP).
• Qualify new platforms, topology design, and capacity planning.
• Build/maintain monitoring, alerting, and documentation for reliability.
• Troubleshoot incidents end to end and drive root-cause fixes.
• Automate repetitive tasks with Python/Ansible or similar tools.
• Collaborate with compute, facilities, and software teams during builds.
• Support high-performance networks for AI/HPC environments.

Skills

BGP

IGP (OSPF/IS-IS)

TCP/IP

VLANs EVPN/VXLAN

Network automation

Education

Bachelor's degree in CS/engineering

Tools

Arista

Cisco

NVIDIA/Mellanox

Python

Ansible

Job description

SpaceXSI in Dublin is seeking a Sr. Network Engineer to design, deploy, and operate production datacenter and campus/core networks at scale, owning routing and switching strategies and ensuring high availability.

This hands-on role requires experience with BGP, IGPs, TCP/IP, EVPN/VXLAN, and network automation using Python or Ansible; travel to build sites may be required, and on-call rotation is expected.