Senior Network Engineer — Data Center & Automation Lead

Experis España; Coslada; On-site; EUR 60,000 - 90,000; Full time

Job summary

Roche is seeking a Senior Network Engineer to design and operate advanced data center networks, including spine-leaf architectures and EVPN‑VXLAN. You will lead projects, guide architecture decisions, and partner with cross-functional teams to deliver resilient infrastructure.

You will apply deep technical expertise in BGP EVPN, Arista EOS, and automation via Arista AVD, GitHub, and CI/CD, ensuring high availability and regulatory alignment across Roche environments.

Qualifications

• Proven experience designing and operating modern data center networks (spine-leaf).
• Expertise in EVPN-VXLAN, BGP EVPN, and scalable overlay networking.
• Experience planning complex migrations with minimal downtime and rollback strategies.
• Strong change management in mission-critical environments.
• Hands-on with Arista EOS and network automation using IaC.
• Experience with Arista AVD, GitHub, and CI/CD pipelines.
• Familiar with version-controlled network operations and testing.
• Strong troubleshooting across underlay/overlay and fabric-level faults.

Responsibilities

• Lead projects and architect resilient IT infrastructure solutions across multiple domains.
• Collaborate with stakeholders to design, build, test, and deploy integrated networks.
• Ensure designs comply with Quality/Regulatory standards and Roche TAF.
• Plan technology projects, estimate resources, risks, and timelines.
• Drive complex end-to-end network migrations with minimal downtime.

Skills

EVPN-VXLAN

BGP EVPN

Data center networking

Spine-leaf

Arista EOS

IaC

Network automation

Change management

Stakeholder comms

Troubleshooting

Tools

Arista AVD

GitHub

CI/CD pipelines

Job description

Roche is seeking a Senior Network Engineer to design and operate advanced data center networks, including spine-leaf architectures and EVPN‑VXLAN. You will lead projects, guide architecture decisions, and partner with cross-functional teams to deliver resilient infrastructure.

You will apply deep technical expertise in BGP EVPN, Arista EOS, and automation via Arista AVD, GitHub, and CI/CD, ensuring high availability and regulatory alignment across Roche environments.