A leading UK-based organisation is seeking a Network Designer to join its high-performing technical team based in Newcastle. This role is ideal for someone who thrives in complex environments, enjoys leading technical delivery, and is passionate about designing secure, scalable solutions across a wide range of technologies.About the Role:You''ll be responsible for translating high-level designs into detailed, low-level implementations across voice, network, wireless, and security domains. Working with technologies such as SD-WAN, SD-A, ACI, ISE, Webex, MS Teams, and NextGen firewalls, you''ll lead solution delivery from post-sale through to handover, ensuring quality and customer satisfaction throughout.Key Responsibilities:Capture and translate customer requirements into detailed technical designs.Act as a single point of contact for technical delivery, ensuring alignment across stakeholders.Lead solution validation, integration, and testing.Drive consistency in architecture and technical processes to improve efficiency.Own customer migration planning and implementation.Resolve complex technical issues and lead root cause analysis.Provide thought leadership in strategic bids and solution design.Skills and Experience Required:Strong stakeholder management and leadership skills.Proven ability to guide technical teams through complex implementations.Experience collaborating with pre-sales, project management, and support teams.Expertise in creating low-level design documentatio