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Lead Network Architect - Networks

Job Description

Lead Network Architect - Networks - DC LAN Cisco

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Location: London (2 days onsite, 3 days remote)

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Duration: 12 months

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Inside IR35 - Umbrella only

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Active SC clearance required, eligible candidates will be considered

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Our client, a reputable organisation supporting critical 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.

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What you'll be doing:

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  • Lead the design and implementation of enterprise and data centre network architectures, ensuring alignment with security, services, and business needs.
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  • Provide comprehensive network solutions, including logical and physical designs, security, and integration with broader IT systems.
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  • Ensure architectural governance and compliance, working closely with peer lead architects and reporting to the Chief Architect.
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  • Collaborate with multi-supplier eco-systems, including IBM-led teams, to deliver Green IT Infrastructure solutions.
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  • Communicate complex technical concepts clearly to non-technical stakeholders, including senior leadership and external partners.
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  • Apply your expertise within the UK Public Sector and critical infrastructure, including emergency services and communication systems.
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What you'll bring:

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  • Proven experience in enterprise and data centre network architecture, with strong knowledge of Cisco technologies.
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  • Deep understanding of Green IT Infrastructure design and implementation.
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  • Strong leadership skills and the ability to guide technical teams and stakeholders effectively.
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  • Excellent communication skills, capable of translating technical details for diverse audiences.
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  • Experience working within the UK Public Sector and critical infrastructure environments.
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  • Knowledge of security, services, processes, and systems integration.
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  • Familiarity with communication/telco systems and working within eco-systems involving multiple suppliers.
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  • UK with a minimum of five years of unbroken .
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Essential skills:

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  • Architectural governance and enterprise network design
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  • Cisco networking expertise
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  • Green IT Infrastructure standards and technologies
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  • Experience with critical infrastructure and emergency services systems
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  • Strong interpersonal and communication skills
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This is a fantastic chance to contribute to vital projects with a forward-thinking organisation. If you meet the criteria and are ready to make an impact, we encourage you to apply today!

Lead Network Architect - Networks

London, UK
Full time

Published on 03/13/2026

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