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Castillians

Network Engineer

Castillians

Cisco Network Engineer focusing on design, implementation, and maintenance of Cisco-based networks. Collaborating with stakeholders to ensure high network availability and performance.

Posted 7/9/2026contractRemote • 🇮🇪 IrelandMid-LevelSeniorWebsite

Tech Stack

Tools & technologies
SwitchingTCP/IP

About the role

Key responsibilities & impact
  • Design, implement, and maintain Cisco-based network infrastructure.
  • Configure and support Cisco routers, switches, wireless solutions, and security devices.
  • Monitor network performance and ensure high availability of services.
  • Troubleshoot network connectivity, routing, switching, wireless, and security issues.
  • Manage VLANs, VPNs, QoS, STP, OSPF, EIGRP, BGP, and network segmentation.
  • Support Cisco Meraki, Catalyst, Nexus, and other Cisco technologies as applicable.
  • Conduct health checks and performance assessments of network environments.
  • Implement network security best practices and compliance requirements.
  • Collaborate with client stakeholders and third-party vendors.
  • Prepare technical documentation, network diagrams, and operational procedures.
  • Provide recommendations for network improvements and modernization.
  • Support migration, deployment, and infrastructure upgrade projects.

Requirements

What you’ll need
  • Minimum 5 years of experience in network engineering.
  • Proven experience in Cisco infrastructure deployment and support.
  • Experience supporting enterprise network environment.
  • Strong expertise in Cisco networking technologies.
  • Solid understanding of: TCP/IP LAN/WAN Technologies, Routing Protocols (OSPF, EIGRP, BGP), VLANs & Network Segmentation, Network Security Principles, High Availability and Redundancy.

Benefits

Comp & perks
  • Access to CX guidance
  • Regulatory updates
  • Industry insights

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools
Network EngineeringCisco RoutersCisco SwitchesWireless SolutionsSecurity DevicesVLAN ManagementVPN ConfigurationQoS ManagementNetwork TroubleshootingPerformance Assessment
Soft Skills
CollaborationTechnical Documentation