Contract: 6 months Rate: £400 per day (Inside IR35) Location: Wokingham, UK (5 days onsite) Start: ASAP Overview We are looking for an experienced Network Service Delivery Principal to lead the design and governance of enterprise network infrastructure within a large-scale transformation environment. This is a strategic, architecture-focused role where you will define and drive network solutions across LAN, WAN (SD-WAN), cloud (AWS/Azure), and data centres, ensuring they are secure, scalable, and automated. Key Responsibilities Define and own network architecture, standards, and roadmap Design secure and scalable network solutions, including Zero Trust models Lead adoption of Network DevOps and Infrastructure as Code (IaC) Act as the technical escalation point for complex network issues Collaborate with cloud, infrastructure, and engineering teams Provide technical leadership and mentoring Required Skills and Experience 8+ years'' experience in network engineering/architecture Strong knowledge of BGP, OSPF, VXLAN, MPLS, TCP/IP Experience with Cisco, firewalls, SD-WAN, and load balancers (F5 or similar) Strong AWS and/or Azure networking experience Hands-on experience with Terraform, Ansible, or CloudFormation Understanding of automation, CI/CD, and DevOps practices Desirable Experience with Zero Trust architecture Relevant certifications (eg CCNP, CCIE, AWS, Azure, TOGAF)