EMEA Network Architect / Senior Network Engineer (Data Center)
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Location: Spain
Contract: 6 Months + extensions
Job Description
We are looking for an experienced
EMEA Network Architect / Senior Network Engineer
with deep, hands-on expertise in Juniper-based Data Center fabrics to design, build, and support modern EVPN/VXLAN environments across our EMEA estate. This is a senior, delivery-focused role for someone equally comfortable producing HLD/LLD documentation and getting into the CLI to troubleshoot a live spine-leaf fabric.
Mandatory Technical Skills
7+ years of hands-on experience in enterprise Data Center networking.
Strong expertise with Juniper EX and QFX platforms.
Advanced knowledge of JunOS, including operational troubleshooting, upgrades, automation, and configuration management.
Proven experience designing and operating EVPN/VXLAN-based Data Center fabrics.
Deep understanding of:
BGP EVPN Control Plane
VXLAN Overlay Networks
Spine-Leaf architectures
Anycast Gateway
Layer 2/Layer 3 extension strategies
Experience with Juniper Virtual Chassis and Virtual Chassis Fabric (VCF) deployments.
Strong routing knowledge:
BGP
OSPF
IS-IS (preferred)
MPLS basics
Experience with Data Center migration and transformation projects.
Strong troubleshooting capabilities across:
Underlay networks
Overlay networks
Routing and switching
Multicast
High availability designs
Preferred Technical Skills
Experience with automation:
Python
Ansible
REST APIs
Infrastructure as Code principles
Experience integrating physical and virtual networking environments.
Familiarity with VMware NSX networking concepts.
Experience with cloud connectivity:
Azure ExpressRoute
Hybrid networking architectures
Knowledge of load balancing technologies (AVI, F5, Citrix ADC).
Architecture & Design Experience
Ability to create High Level and Low Level Designs (HLD/LLD).