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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # It Knowledge Engineer - **Company:** Sharp Brains - **Location:** Madrid, Spain - **Contract:** Permanent contract - **Skills:** Complex Networks, Computer Networks, Dynamic Host Configuration Protocol, Domain Name System (DNS), Monitoring of Systems, Virtual Private Networks (VPN), Network Security, Network Troubleshooting, Network Architecture, Network Installation Services, Remote Access Technology, TCP/IP, Virtual Local Area Networks, Wide Area Networks, Network Routers, Firewalls (Computer Science), Juniper, Information Technology, Network Support, Cisco - **Published:** August 19, 2026 - **Apply:** https://www.buscojobs.com.es/it-knowledge-engineer-en-madrid-ID-367820679 ## About the Role Lea toda la información sobre este puesto a continuación y luego pulse el botón de solicitar.Work Mode: On-SiteEmployment Type: B2B/ Freelance ContractLocation: Majadahonda, SpainJob Responsibilities:Provide Level 1/Level 2 support for network infrastructure and connectivity issuesMonitor and maintain LAN/WAN network performanceConfigure and troubleshoot routers, switches, and firewallsDiagnose network issues related to IP, DNS, DHCP, and VPNAssist in network installations, upgrades, and patching activitiesEnsure network security and follow best practicesSupport end-users with connectivity and access-related issuesMaintain network documentation and update configurationsLog, track, and resolve incidents through the ticketing systemEscalate complex network issues to senior engineers/vendorsEnsure timely resolution as per SLA requirementsRequired Skills & Experience:1-3 years of experience in Network Support / Network EngineeringStrong knowledge of networking concepts (TCP/IP, DNS, DHCP, VLANs)Hands-on experience with routers, switches, and firewalls (Cisco, Juniper, etc.)Basic knowledge of network security principles xbhjioeExperience with VPN and remote access technologiesFamiliarity with monitoring tools and ticketing systemsRelevant certifications (CCNA or equivalent) are a plusStrong troubleshooting and analytical skillsGood communication and customer-handling skillsAbility to work independently in an on-site environmentHay opciones de teletrabajo/trabajo desde casa disponibles para este puesto. ## Description We are currently looking for a Network Engineer (L1 / L2) professional to join our team in an on-site support role.¿Quiere enviar su solicitud?Lea toda la información sobre este puesto a continuación y luego pulse el botón de solicitar.Work Mode: On-SiteEmployment Type: B2B/ Freelance ContractLocation: Majadahonda, SpainJob Responsibilities:Provide Level 1/Level 2 support for network infrastructure and connectivity issuesMonitor and maintain LAN/WAN network performanceConfigure and troubleshoot routers, switches, and firewallsDiagnose network issues related to IP, DNS, DHCP, and VPNAssist in network installations, upgrades, and patching activitiesEnsure network security and follow best practicesSupport end-users with connectivity and access-related issuesMaintain network documentation and update configurationsLog, track, and resolve incidents through the ticketing systemEscalate complex network issues to senior engineers/vendorsEnsure timely resolution as per SLA requirementsRequired Skills & Experience:1-3 years of experience in Network Support / Network EngineeringStrong knowledge of networking concepts (TCP/IP, DNS, DHCP, VLANs)Hands-on experience with routers, switches, and firewalls (Cisco, Juniper, etc.)Basic knowledge of network security principles xbhjioeExperience with VPN and remote access technologiesFamiliarity with monitoring tools and ticketing systemsRelevant certifications (CCNA or equivalent) are a plusStrong troubleshooting and analytical skillsGood communication and customer-handling skillsAbility to work independently in an on-site environmentHay opciones de teletrabajo/trabajo desde casa disponibles para este puesto. ## Related Videos - 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