NineTech
Network Architect
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Network Architect | Public IP Address Management | Remote
Pay: £600 P/D
Duration: 6 Month Contract
Scope: Outside of IR35
About the Role
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.
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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.
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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
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