Mission freelance DDI Architect

Role Title: DDI Architect
Location: Sheffield Hybrid - 60% office 40% home
Duration: 28/11/2026
Rate inside IR35 £447.50

DDI (DNS, DHCP & IPAM) Subject Matter Expert
We are seeking a highly skilled DDI (DNS, DHCP & IPAM) subject matter expert with extensive experience in the DDI technology space. The ideal candidate will possess the following qualifications and skills:

Key Responsibilities:
* Infrastructure Projects: 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.
* Design and Deployment: Expertise in designing, deploying, and operationalizing DDI (DNS, DHCP, IPAM) infrastructure across new environments, ensuring a consumable and scalable service for internal stakeholders.
* Risk Management: Solid understanding of risk assessment and management, including the ability to address headwind challenges and assess downstream user or service impacts.
* Communication Skills: 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.
* Project Management: Understanding of industry-standard project management methodologies, tooling, and governance, with a proven track record of planning, documenting, and managing infrastructure project implementations.
* Technical Expertise: Must have expert-level engineering experience with DDI technologies such as Cygna VitalQIP, AMS & AMM's, EfficientIP, Infoblox, and F5 BIG-IP DNS.
* Network Protocols: Experience with network protocols including TCP/IP, UDP, and DNS.
* Automation and Scripting: Familiarity with automation and scripting languages (shell, Ansible, VBA, Python, JavaScript, JSON, API integration or development) is advantageous but not mandatory.
* Agile Experience: Experience working in an Agile team, participating in agile ceremonies, and a working knowledge of JIRA is beneficial.

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