Network Architect at NineTech, United Kingdom, £600 per day

Network Architect | Public IP Address Management | Remote

Pay £600 P/D

6 Month Contract

Outside of IR35

My client, within Financial Services, are looking for a Network Architect with deep expertise in IPv4 addressing, BGP routing We're looking for a specialist to lead technical discovery and analysis across large-scale public IP estates, delivering strategic recommendations that optimise utilisation, reduce risk and shape future-state network governance.

The Role

You'll own the end-to-end technical assessment of complex public IPv4 environments across multi-phase consulting engagements

Working with senior stakeholders, you'll deliver evidence-based insights, remediation roadmaps and future-state IP address management strategies.

Key Responsibilities

✔ Discover and analyse large-scale public IPv4 estates across IPAM, DNS, CMDB, cloud, firewall and routing platforms.

✔ Validate address ownership using RIR/RDAP data and identify registry inconsistencies.

✔ Perform utilisation and optimisation assessments to identify unused, unknown and high-risk address space.

✔ Analyse BGP routing, origin ASNs, RPKI, ROAs and IRR data to assess routing posture and security.

✔ Develop remediation strategies covering consolidation, reclamation, transfer and governance improvements.

✔ Contribute to IPAM policy, lifecycle standards and Target Operating Models.

✔ Present findings and recommendations to technical teams and executive stakeholders.

What We're Looking For

• Expert knowledge of IPv4/IPv6 addressing and enterprise-scale IP management
• Strong experience with BGP, routing architecture and internet routing security
• Knowledge of RPKI, ROAs, IRR and routing best practices
• Experience with IPAM, DNS, CMDB, cloud networking, NAT and firewall platforms
• Ability to analyse incomplete data and produce evidence-based recommendations
• Excellent stakeholder engagement and consulting skills

Desirable

• IPv4 transfer, leasing or monetisation experience
• Financial Services or other highly regulated enterprise environments
• IPAM governance and operating model design
• CCNP, CCIE, JNCIP or equivalent certifications