Network Automation Engineer, Data Center Fabrics

Mistral; Paris; On-site; EUR 95,000 - 150,000; Full time

Benefits offered by this job

Healthcare coverage

Retirement plans

Relocation support

Job summary

Mistral is seeking a Software Engineer for Network Automation in Data Center Fabrics to design and build systems that operate large-scale networks in our data centers.

You will apply deep networking expertise to EVPN/VXLAN, BGP, and multitenant architectures, and develop production software. Strong fundamentals, production testing, and a readiness to contribute across the stack are essential.

Qualifications

• Deep hands-on experience with Ethernet switching, IP routing, BGP-based leaf-spine fabrics, EVPN/VXLAN, and VRF-based multitenancy.

Responsibilities

• Design and evolve leaf-spine underlays, EVPN/VXLAN overlays, and tenant connectivity for multi-tenant AI infrastructure.
• Translate data-center fabric requirements and safety properties into clear APIs, data models, validation, and automation.
• Build reliable control-plane software that reconciles desired and observed network state.
• Design safe change workflows with validation, dry runs, atomic updates, observability, and failure recovery.
• Integrate with data-center switch operating systems and management APIs while maintaining vendor-neutral abstractions where practical.
• Participate in the on-call rotation, troubleshoot active data-center network incidents, restore service, and turn root causes into lasting improvements.
• Review designs and code, explain networking trade-offs, and help raise network engineering quality across the organization.
• Develop lab and production tests and turn operational lessons into better software and architecture.

Skills

Ethernet switching

IP routing

BGP

EVPN/VXLAN

VRF-based multitenancy

Go

REST

gNMI/OpenConfig

NETCONF

Code review

On-call troubleshooting

Tools

Cumulus Linux

Arista EOS

SONiC

Junos

NX-OS

Job description

Mistral is seeking a Software Engineer for Network Automation in Data Center Fabrics to design and build systems that operate large-scale networks in our data centers.

You will apply deep networking expertise to EVPN/VXLAN, BGP, and multitenant architectures, and develop production software. Strong fundamentals, production testing, and a readiness to contribute across the stack are essential.