Inflobox Design Specialist (Infoblox)

TL;DR

Inflobox Design Specialist (Infoblox/DDI): Providing technical leadership and design authority for DDI solutions within large-scale enterprise environments with an accent on design, implementation, and delivery assurance. Focus on producing high- and low-level designs, managing migrations, and ensuring security and resilience standards for Infoblox platforms.

Location: Hybrid model (3 days office / 2 days home). Must be based in the UK (Bristol, Glasgow, Leeds, Sheffield, Birmingham, London, or Manchester).

Company

BT Business is a B2B powerhouse serving 1.2 million business customers in the UK, providing secure connectivity and collaboration platforms.

What you will do

• Act as the technical authority for Infoblox DDI solutions across design, implementation, and support
• Produce and review high- and low-level designs (HLD/LLD) aligned to customer requirements
• Lead deployment, migration, and upgrade activities for Infoblox platforms
• Provide troubleshooting and root cause analysis for complex DDI issues
• Collaborate with network, security, and cloud teams to integrate DDI into wider architectures
• Drive continuous improvements and evolution of the DDI Services

Requirements

• Must hold or be able to achieve SC-level Security Clearance
• Strong hands-on experience with Infoblox services (NIOS, Grid, DNS, DHCP, IPAM, Discovery and Reporting)
• Proven experience designing and delivering enterprise-scale DDI solutions
• Knowledge of networking fundamentals (BGP, routing, switching, firewalls)
• Experience with DNS security (DNSSEC)
• Ability to produce clear technical documentation and design artefacts

Nice to have

• Infoblox certification (e.g., CDCA, CDTA, CDNE)
• Experience working within secure contracts and regulated environments

Culture & Benefits

• 10% on target annual bonus and 25 days holiday
• Access to an online private GP 24/7 for employees and immediate family
• Market-leading paid carers leave (up to 2 weeks) and equalized parental leave (18 weeks full pay)
• Competitive pension scheme with 10% company contribution
• Discounted EE and BT products, including mobile and broadband