IT Network Administrator

Working pattern: Initially office-based, with flexibility to work on a hybrid basis following successful completion of probation

Working hours: 8:00am–4:00pm, 8:30am–4:30pm, 9:00am–5:00pm or 10:00am–6:00pm

Department: IT

We are looking for an experienced IT Network Administrator to support the implementation, maintenance and continued improvement of a complex IT network environment.

This is a varied technical role covering wired and wireless networking, VMware administration, network security, infrastructure projects and third-line support. You will help maintain a reliable and secure network across multiple sites while supporting ongoing upgrades and improvement projects.

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• Install, maintain and troubleshoot Cisco and HP wired and wireless networks.
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• Provide third-line technical support for complex infrastructure and networking issues.
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• Administer and support VMware environments.
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• Maintain and patch network switches, wireless LAN controllers and access points.
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• Monitor and maintain network communication cabinets and associated infrastructure.
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• Support the design and development of network architecture and infrastructure models.
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• Manage cloud connectivity and ensure reliable access to cloud-based services.
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• Administer network security controls, including access control lists and Cisco ISE.
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• Conduct vulnerability testing, Microsoft baseline assessments and vulnerability remediation.
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• Maintain high availability across internet connectivity, servers, wireless networks, telephony and SAN storage.
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• Support disaster recovery planning, testing and implementation.
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• Assist with infrastructure installations, system upgrades and wider IT projects.
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• Conduct Wi-Fi signal surveys and resolve issues involving coverage, interference and signal overlap.
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• Maintain accurate network diagrams, technical documentation and asset records.
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• Participate in occasional out-of-hours remote support and installation work.
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• CCNA certification.
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• Hands-on experience supporting Cisco networking environments.
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• Strong network troubleshooting skills across LAN, WAN and Wi-Fi environments.
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• Experience maintaining switches, wireless controllers and access points.
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• Previous experience providing third-line infrastructure or network support.
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• A good understanding of network security, access controls and vulnerability remediation.
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• Strong communication, documentation and problem-solving skills.
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• HP switching and wireless technologies.
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• VMware administration and support.
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• Cisco ISE.
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• Cloud connectivity and hybrid infrastructure.
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• Wireless surveys and access point optimisation.
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• Server, storage, telephony and data centre environments.
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• Change control and IT service management processes.
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• Disaster recovery and business continuity planning.
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This is an excellent opportunity for a network professional looking for a hands-on role with responsibility across infrastructure, security, wireless networking and technical improvement projects.