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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