Network Infrastructure Lead

Network Infrastructure Lead
Cardiff - Hybrid (4

DPW in office) £50,000 - 15 month FTC

VIQU are partnering with a leading organisation undergoing continued digital transformation across critical services, seeking a Network Infrastructure Lead to support the delivery, maintenance, and improvement of secure and resilient infrastructure environments. Working as part of a wider Digital Services team, this role will focus on network operations, infrastructure projects, and service improvements across a complex hybrid environment. This is a hands‑on position combining BAU support and project delivery, with the opportunity to contribute to significant transformation initiatives supporting new and evolving sites.

• Provide expert operational and technical support across enterprise network infrastructure services
• Manage, maintain, and improve network environments including switching, routing, wireless, and security platforms
• Support the transition from Cisco networking technologies to HP Aruba solutions, including implementation and optimisation
• Configure and maintain Fortinet Firewalls, ensuring secure and compliant network connectivity
• Diagnose and resolve complex incidents, completing root‑cause analysis and implementing preventative improvements
• Support network design, planning, testing, and implementation of infrastructure changes and projects
• Monitor network performance, availability, and capacity to ensure reliable service delivery
• Collaborate with internal teams, suppliers, and stakeholders to deliver high-quality digital services
• Contribute to infrastructure life‑cycle management, continuous improvement, and service optimisation initiatives

• Proven experience working within a senior network infrastructure or network engineering role
• Strong hands‑on experience supporting enterprise networking environments across BAU and project settings
• Experience with Fortinet Firewalls and enterprise security technologies
• Experience supporting Cisco networking environments, with knowledge of HP Aruba technologies highly desirable
• Strong understanding of switching, routing, wireless networks, and network troubleshooting
• Experience working within hybrid infrastructure environments and supporting on‑premise services
• Knowledge of IT service management processes, ideally within an ITIL‑aligned environment
• Ability to diagnose complex technical issues and deliver effective resolutions
• Strong stakeholder management and communication skills, with the ability to explain technical concepts clearly
• Experience contributing to infrastructure projects, improvements, and technology transformation initiatives