Senior Datacenter Network Administrator (Core & Multi-Site Redundancy)

Smart Consulting • Portugal

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AI Summary

Lead the administration, operation, and evolution of high-availability datacenter networks, focusing on core switching, routing, and multi-site interconnections. Ensure 24/7 uptime, performance optimization, and seamless connectivity for critical enterprise environments. Requires 3+ years in enterprise networking with deep expertise in redundancy, WAN, and troubleshooting.

Key Highlights

Manage and monitor critical datacenter infrastructure with 99.99% uptime guarantees

Design and maintain redundant, high-availability network architectures across multi-site environments

Collaborate with cybersecurity and systems teams to resolve complex incidents in mission-critical environments

Key Responsibilities

Administer and monitor core switching/routing infrastructure in high-availability datacenters

Design and implement redundant network architectures (VLANs, VRFs, HSRP/VRRP, STP, LACP)

Troubleshoot and resolve connectivity/performance incidents in multi-site environments

Manage WAN interconnections, MPLS circuits, and VPNs between datacenters/sites

Collaborate with telecom providers to ensure reliable circuit operations

Optimize network performance for virtualization, storage, and backup platforms

Maintain technical documentation, network diagrams, and operational procedures

Coordinate with cybersecurity teams to address network-related security incidents

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Technical Skills Required

Routing and Switching (OSPF, BGP, MPLS) Network Redundancy (HSRP/VRRP, STP, LACP) WAN & Multi-Site Interconnectivity

Benefits & Perks

Full visa support for eligible candidates

Competitive salary (12,880–49,000 EUR/year, 14 months)

Subsídio de Alimentação (meal allowance) + Flexible Benefits

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Nice to Have

Experience with Cisco Nexus/Aruba, Palo Alto/Fortinet firewalls, or F5 load balancers

Knowledge of EVPN/VXLAN, FC/FCoE/iSCSI, or cloud hybrid connectivity

Automation scripting (Ansible/PowerShell) or cloud networking certifications (CCNP Data Center, JNCIA/JNCIP)

Job Description

🚀 Procuramos um(a) Administrador de Redes – Datacenter para integrar uma equipa de Infraestruturas de Datacenter, com foco na gestão, operação e evolução de redes core e interligações entre datacenters.

Este é um desafio para quem gosta de garantir disponibilidade, desempenho, resiliência e continuidade de serviço em ambientes críticos, trabalhando com switching, routing, redundância, WAN e conectividade entre sites.

🧑 💻 Como será o seu dia a dia:

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