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Whitehall Resources Ltd Logo Whitehall Resources Ltd · IT - Administration

DDI (DNS, DHCP & IPAM) Subject Matter Expert

United Kingdom, Sheffield · Job Posted February 21, 2026
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Job Description

We are seeking a highly skilled DDI (DNS, DHCP & IPAM) subject matter expert with extensive experience in the DDI technology space.

Requirements

  • Demonstrated experience in planning, implementing, and supporting large-scale DDI infrastructure projects, including both physical (servers, appliances) and logical (software versions, product changes, data migrations) upgrades and migrations
  • Expertise in designing, deploying, and operationalizing DDI (DNS, DHCP, IPAM) infrastructure across new environments
  • Solid understanding of risk assessment and management
  • Excellent communication and interpersonal skills, with the ability to work constructively and collaboratively within a team as well as independently, across time zones, geographies, and languages
  • Proficiency in English is essential
  • Understanding of industry-standard project management methodologies, tooling, and governance, with a proven track record of planning, documenting, and managing infrastructure project implementations
  • Must have expert-level engineering experience with DDI technologies such as Cygna VitalQIP, AMS & AMM’s, EfficientIP, Infoblox, and F5 BIG-IP DNS
  • Experience with network protocols including TCP/IP, UDP, and DNS

Nice to have

  • Familiarity with automation and scripting languages (shell, Ansible, VBA, Python, JavaScript, JSON, API integration or development)
  • Experience working in an Agile team, participating in agile ceremonies, and a working knowledge of JIRA
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