DDI Subject Matter Expert (SME)
Overview
We are seeking a highly experienced DDI SME with deep expertise in enterprise DNS, DHCP, and IPAM environments. This role requires strong hands-on experience with VitalQIP (Cygna QIP), Cygna AMS/AMM, and F5 GTM (BIG-IP DNS), including building and managing GTM clusters in large-scale environments.
This is a senior-level, strategic and operational role supporting mission-critical global DDI services.
What You’ll Do
* Define, deliver, and support strategic DDI services aligned to business goals
* Act as SME for enterprise DNS, DHCP, and IPAM platforms
* Lead DDI-related projects end-to-end, ensuring successful delivery
* Manage and maintain enterprise-scale DNS and DHCP environments
* Ensure high availability and minimise disruption to customers
* Perform risk assessment, change planning, and post-change validation
* Drive service improvements and lifecycle optimisation
* Design, build, and manage F5 GTM clusters
* Configure and support Global Server Load Balancing (GSLB)
* Integrate GTM with enterprise DNS infrastructure
* Global Collaboration & AgileWork within a global team environment
* Participate in agile ceremonies (stand-ups, sprint planning, retrospectives)
* Support operational deliverables across regions
Required Experience (Must Have)
* Deep enterprise experience managing DNS and DHCP environments
Strong hands-on expertise with:
* VitalQIP (Must Have)
* Cygna AMS/AMM (Must Have)
* F5 GTM (Must Have – including GTM cluster build)
* Experience managing Global Server Load Balancing (GSLB)
Deep networking knowledge:
* IP addressing & subnetting
* Routing
* DNS
* DHCP
Additional / Desirable Experience
Experience with:
* Infoblox
* EfficientIP
* Linux administration
* SQL knowledge
* Automation exposure (Ansible, Jenkins, Git/GitHub)
* Scripting skills (Python, Perl, Shell, SQL, YAML, JavaScript)
* Strong service management & stakeholder engagement capability
* Experience supporting large, mission-critical, global platforms