Lead Network Architect - Networks

Experis
City of London, Greater London
Lead Network Architect - Networks - DC LAN Cisco

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

Duration: 12 months

Inside IR35 - Umbrella only

Active 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 implementation.
Strong leadership skills and the ability to guide technical teams and stakeholders effectively.
Excellent communication skills, capable of translating technical details for diverse audiences.
Experience working within the UK Public Sector and critical national infrastructure environments.
Knowledge of security, services, processes, and systems integration.
Familiarity with communication/telco systems and working within eco-systems involving multiple suppliers.
UK national with a minimum of five years of unbroken residency.Essential skills:

Architectural governance and enterprise network design
Cisco networking expertise
Green IT Infrastructure standards and technologies
Experience with critical national infrastructure and emergency services systems
Strong interpersonal and communication skills

This is a fantastic chance to contribute to vital national projects with a forward-thinking organisation. If you meet the criteria and are ready to make an impact, we encourage you to apply today
Posted 2026-03-12

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