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Senior Network Engineer - NSX-T / AVI / HCI £500 - £550 per day - Inside IR35 MOD SC Cleared Site: Farnborough - 4 days onsite, 1 day remote About the Role We are delivering a modern managed infrastructure platform designed to replace complex legacy enterprise environments. The programme focuses on high levels of automation, repeatable infrastructure design patterns, and rapid deployment of business solutions. The platform leverages modern Windows and VMware technologies and integrates automation tooling such as Ansible, Terraform, and scripting frameworks alongside specialist infrastructure and application platforms. We are seeking an experienced Senior Network Engineer with strong expertise in VMware NSX-T, F5, and VMware AVI within Hyperconverged Infrastructure (HCI) environments. The successful candidate will combine deep technical expertise with strong design capability, delivering scalable, secure, and highly automated network solutions, including robust identity and tiered access models. Key Responsibilities Design, implement, and support network architectures within hyperconverged infrastructure environments using NSX-T and AVI technologies. Lead deployment and configuration of VMware NSX-T components, including: Logical networking Distributed firewall Load balancing VPN services Implement network virtualisation and micro-segmentation strategies. Deploy and manage VMware AVI load balancers to support modern application delivery, automation, and analytics. Ensure high availability, performance optimisation, and security across network services. Design and maintain identity and access management solutions aligned with tiered access models. Conduct capacity planning and scalability assessments to support platform growth. Collaborate with infrastructure, security, and automation teams to deliver integrated platform solutions. Essential Skills & Experience Strong hands-on experience with: VMware NSX-T VMware AVI Load Balancer Hyperconverged Infrastructure (HCI) Proven experience designing and implementing scalable network architectures. Strong understanding of identity management and tiered access models. Experience working within highly automated infrastructure environments. Excellent communication and documentation skills. DV Clearance (or willingness to undergo security vetting). Desirable Skills Software-Defined WAN (SD-WAN) Network monitoring and observability tooling Secure network architecture and security best practices Experience supporting Infrastructure as Code (IaC) using tools such as Ansible and Terraform