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

Smart Consulting • Portugal
Visa Sponsorship
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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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Job Overview
Posted Date Oct 12, 2026
Employment Type Full-time
Experience Level Mid-Senior level
Location Portugal
Category Networking
Company Smart Consulting
Mentioned Skills
nexus ccna vpn ccnp wan storage ospf bgp firewalls palo alto stp fortinet aci mpls aruba das ansible cloud powershell

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