Lead Network Architect - Networks - DC LAN CiscoLocation: London (2 days onsite, 3 days remote)Duration: 12 monthsInside IR35 - Umbrella onlyActive SC clearance required, eligible candidates will be considered Our client, a reputable organisation supporting critical national infrastructure, is hiring for a Lead Network Architect to join a high-profile project. This role offers an exciting opportunity to shape enterprise and data centre network architecture within a dynamic environment.What you''ll be doing:Lead the design and implementation of enterprise and data centre network architectures, ensuring alignment with security, services, and business needs.Provide comprehensive network solutions, including logical and physical designs, security, and integration with broader IT systems.Ensure architectural governance and compliance, working closely with peer lead architects and reporting to the Chief Architect.Collaborate with multi-supplier eco-systems, including IBM-led teams, to deliver Green IT Infrastructure solutions.Communicate complex technical concepts clearly to non-technical stakeholders, including senior leadership and external partners.Apply your expertise within the UK Public Sector and critical national infrastructure, including emergency services and communication systems.What you''ll bring:Proven experience in enterprise and data centre network architecture, with strong knowledge of Cisco technologies.Deep understanding of Green IT Infrastructure design and impl