Senior Network Architect, Data Center & Automation

Sword Iberia; Madrid; On-site; EUR 70,000 - 110,000; Full time

Job summary

Roche is seeking a Senior Network Engineer to lead complex infrastructure projects and architect resilient, scalable network solutions across multiple domains. You will drive technical decisions, design and implement spine-leaf data center architectures, and manage PoCs, migrations, and validations in collaboration with cross‑functional teams.

Ideal candidates will have deep EVPN‑VXLAN expertise, strong Arista EOS experience, and a solid background in automation using IaC and CI/CD pipelines,

Qualifications

• Proven experience designing and operating modern data center network architectures.
• Strong expertise in EVPN‑VXLAN with control plane design (BGP EVPN).
• Experience planning and executing complex network migrations with minimal downtime.

Responsibilities

• Lead challenging infrastructure projects and architect resilient solutions.
• Manage cross-functional stakeholder communications and technical decisions.
• Oversee validation, testing, and deployment of network designs across domains.
• Ensure designs comply with regulatory and quality standards and architecture frameworks.
• Coordinate vendors and internal teams to deliver end-to-end infrastructure solutions.

Skills

Data center networks

EVPN-VXLAN

BGP EVPN

Arista EOS

IaC automation

Arista AVD

CI/CD pipelines

Change management

Scrum/Agile

Vendor management

Education

Data center networks design (experience)

Spine-leaf architectures

L2/L3 fabrics knowledge

Tools

GitHub

CI/CD tooling

Job description

Roche is seeking a Senior Network Engineer to lead complex infrastructure projects and architect resilient, scalable network solutions across multiple domains. You will drive technical decisions, design and implement spine-leaf data center architectures, and manage PoCs, migrations, and validations in collaboration with cross‑functional teams.

Ideal candidates will have deep EVPN‑VXLAN expertise, strong Arista EOS experience, and a solid background in automation using IaC and CI/CD pipelines,