Senior DDI Engineer (24/7 On-Call & Weekend Support)
NTT SINGAPORE PTE. LTD. · Singapore
Job description
About the role
NTT Singapore is looking for a seasoned DDI Engineer to join its network operations team. You will be responsible for the design, deployment, migration and ongoing support of enterprise‑wide DNS, DHCP, IPAM and NTP services, with a focus on 24/7 on‑call and weekend coverage.
Key responsibilities
- Architect, implement and maintain large‑scale DDI solutions across on‑premise and cloud environments.
- Lead migrations from legacy systems to platforms such as Infoblox, BlueCat or VitalQIP.
- Provide Level‑3 troubleshooting and incident resolution for DNS, DHCP, IPAM and related services.
- Develop automation scripts and integrations using Ansible, Perl and vendor APIs.
- Collaborate with network, security and infrastructure teams to ensure seamless service delivery and capacity planning.
Required profile
- 10+ years of hands‑on experience with DDI/IPAM technologies in enterprise settings.
- Proven ability to work in a 24/7 on‑call rotation and handle weekend support.
- Strong stakeholder management and customer‑facing consulting skills.
- Relevant certifications such as Infoblox DDIP, BlueCat CP, Palo Alto PCNSE or Cisco CCNA are a plus.
Required skills
- Infoblox, BlueCat, VitalQIP (QIP), ISC BIND, Microsoft DNS
- DNS, DHCP, IPAM, NTP, DNS Security, DNS Firewall, DNS Anycast, Advanced DNS Protection
- AWS (Route 53), Azure (Azure DNS), cloud networking
- Ansible, Perl, vendor APIs/WAPI, infrastructure provisioning
- Networking concepts, load balancing (GSLB), Palo Alto firewalls
- Performance and capacity planning, monitoring, reporting, disaster recovery
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Published 1 month ago
Expires 1 day from now
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NTT SINGAPORE PTE. LTD.
Singapore
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