Network Infrastructure Specialist

We are seeking an experienced Network Infrastructure Engineering Specialist to join our clients growing IT team. This is a hands-on role responsible for maintaining and developing network and infrastructure systems across multiple sites. You'll play a key role in ensuring business-critical systems remain secure, reliable, and high-performing while providing expert support and technical guidance.

Key Responsibilities

Deploy, configure and maintain network connectivity including LAN, WAN, SD-WAN, VPN and Wi-Fi environments. Configure, monitor and support network infrastructure including switches, routers, firewalls, servers and business applications. Administer VMware virtual environments alongside Microsoft 365 and Azure cloud services. Monitor network performance, diagnose issues and implement effective solutions. Maintain network security through patch management, firmware updates and cybersecurity best practices. Manage backup and disaster recovery processes to minimise downtime. Support and deliver IT infrastructure projects from design through to implementation. Act as an escalation point for complex technical support issues and advanced troubleshooting. Maintain accurate technical documentation including network diagrams, configurations and procedures. Follow change management processes and IT best practices. Travel to multiple sites as required. Build strong working relationships with internal stakeholders and external suppliers. Participate in a limited on-call rota (Saturday mornings) and occasional out-of-hours maintenance activities.

Essential Skills & Experience

Experience in a similar Network Infrastructure or Systems role. Strong knowledge of LAN/WAN networks, VPNs and Wi-Fi technologies. Experience configuring and securing switches, routers and firewalls. VMware virtualisation experience. Microsoft 365 and Azure administration experience. Strong knowledge of Windows Server environments including Active Directory, Group Policy, DNS and DHCP. Network monitoring and troubleshooting experience. Experience using IT service management and ticketing tools. Sound understanding of IT security and cybersecurity principles. Experience with backup and disaster recovery solutions. Excellent problem-solving and analytical skills. Strong communication skills with the ability to explain technical concepts to non-technical users. Ability to work independently and as part of a team. Full UK Driving Licence.

Desirable Skills

Relevant IT degree, certification or professional qualification. Cisco certification (CCNA or equivalent). Experience with SD-WAN technologies. Linux administration experience. Knowledge of Power Automate, Power BI and SharePoint. Scripting experience (PowerShell, Visual Basic or similar). Experience carrying out physical installations including cabling and equipment mounting. Interest in researching and implementing new technologies and solutions.Get in touch today for a confidential chat!!!

Adecco acts as an employment agency for permanent recruitment and an employment business for the supply of temporary workers. The Adecco Group UK & Ireland is an Equal Opportunities Employer.

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