Infoblox Consultant Fully Remote - Outside IR35

Infoblox Consultant - 3 months - Fully Remote - Outside IR35

A leading Internet Service Provider is seeking an experienced DDI and DNS specialist to support, enhance, and scale its critical network services platforms. This role sits at the heart of the provider's IP services estate and will focus on the design, operation, optimisation, and troubleshooting of large-scale DNS, DHCP, IPAM, and authentication services.

This is a senior-level contract role requiring deep hands-on expertise, strong troubleshooting instincts, and the ability to operate independently in a high-availability, carrier-grade environment.

• Design, implement, and operate enterprise and service-provider-scale DDI platforms.
• Provide expert-level administration and optimisation of Infoblox DDI solutions.
• Own DNS architecture, including authoritative and recursive DNS services.
• Manage and optimise DHCP services across large IP estates.
• Deliver robust IP Address Management (IPAM) strategies and operational processes.
• Design, deploy, and support RADIUS-based authentication services for network access platforms.
• Troubleshoot complex DNS, DHCP, IPAM, and authentication issues across production environments.
• Support platform upgrades, migrations, and service improvements with minimal customer impact.
• Collaborate with network, security, and operations teams to ensure resilient service delivery.
• Produce and maintain clear technical documentation and operational runbooks.
• Act as a subject-matter expert for DDI and authentication services across the organisation.

• Proven contract experience delivering DDI services within ISP, carrier, or large enterprise environments.
• Strong hands-on experience with Infoblox DDI platforms (DNS, DHCP, IPAM).
• Deep understanding of DNS protocols, architectures, and operational best practices.
• Strong experience designing and supporting RADIUS authentication services.
• Experience operating highly available, distributed network services platforms.
• Excellent troubleshooting skills across Layer 3-7 network services.
• Comfortable working autonomously in remote, production-critical environments.
• Strong documentation and communication skills.

• Experience in multi-vendor DDI or authentication environments.
• Exposure to automation, APIs, or Scripting around DDI platforms.
• Experience supporting ISP-scale or carrier-grade networks.
• Knowledge of security considerations related to DNS and authentication services.

• Duration: 3 months
• Day Rate: £500 Per Day - £600 Per Day (Outside IR35)
• Location:
  
  Fully Remote
• Start Date:
  
  ASAP