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