OverviewEuropean Tech Recruit are working closely with a multinational semiconductor company, based in Cork, who are looking for a talented Senior Data Centre Network Engineer to join their team.ResponsibilitiesArchitect, design, and implement leaf-spine data center networks and related services to support large-scale compute, storage, and engineering environmentsOwn L2/L3 network design and operation across critical protocols/technologies such as BGP, STP, QoS, MLAG/vPC/CLAG, EVPN, VXLANDrive network lifecycle management: scaling, upgrades, capacity planning, refreshes, and risk-managed change executionDesign and support application delivery / load balancing architectures including local and global (GSLB), with strong understanding of PKI/SSL, SSL offload, DNS impacts to application deliveryContribute to network designs that enable AI/ML training and inference at scale, emphasizing high bandwidth and low latency connectivity for GPU clustersApply knowledge of AI/GPU networking concepts and technologies such as RDMA, RoCE, and high-speed Ethernet (e.g., 400G/800G roadmaps), and how network bottlenecks impact distributed training/inference performancePartner with infrastructure teams to validate and improve architectures supporting multi-node GPU workloads and scalable cluster growthImprove reliability and operational efficiency through automation/orchestration and network-as-code practices (e.g., pipelines, configuration standards, and repeatable deployments)Lead complex troubleshooting (individual, group, vendor-assisted) and deliver durable root-cause fixes, with strong TCP/IP operations expertiseProvide on-site support when needed for deployments, cutovers, audits, and operational readiness activities in Saudi Arabia, collaborating with regional stakeholders and global teamsAct as a senior escalation point across time zones; coordinate with vendors/partners as neededRequirements7+ years in large enterprise/data center networkingDemonstrated experience designing/implementing leaf-spine data center networks in heterogeneous environmentsExpert knowledge of core DC networking and protocols/technologies including EVPN, VxLAN, BGP, L2/L3 operations, and large-scale troubleshootingExperience with application delivery / load balancing architectures and their security/crypto implications (PKI/SSL, SSL offload, DNS)Willingness and no restrictions to travel internationally, including Saudi ArabiaKubernetes and container platformsServer management (physical and/or virtualized environments)If this role is of any interest please apply directly on LinkedIn or send a copy of your CV to nh@eu-recruit.com.By applying to this role you understand that we may collect your personal data and store and process it on our systems. For more information please see our Privacy Notice (https://eu-recruit.com/about-us/privacy-notice/).
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