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Senior DDI Engineer (24/7 On-Call & Weekend Support)_Contract

D12 Toa Payoh, Balestier, Serangoon, Singapore
ContractBanking and Finance

Job Description

We are seeking an experienced DDI/IPAM professional with 10+ years of expertise in designing, deploying, migrating, and supporting enterprise DNS, DHCP, IPAM, and NTP environments. Key Skills:

  • Strong experience with Infoblox, BlueCat, VitalQIP (QIP), ISC BIND, and Microsoft DNS.
  • Deep knowledge of DNS, DHCP, IPAM (DDI), DNS Security, DNS Firewall, DNS Anycast, and Advanced DNS Protection.
  • Hands-on experience with cloud platforms (AWS, Azure), including Azure DNS and Route 53.
  • Proven expertise in DDI migrations, architecture design, implementation, and Level 3 support for large-scale enterprise environments.
  • Experience with automation and scripting using Ansible, Perl, APIs/WAPI, and infrastructure provisioning.
  • Knowledge of networking, security, load balancing (GSLB), Palo Alto Firewalls, and performance/capacity planning.
  • Experience with monitoring, reporting, troubleshooting, and disaster recovery solutions.
  • Strong stakeholder management, customer-facing consulting, and technical solution architecture experience.

Preferred Certifications:

  • Infoblox DDIP / NIOS Expert
  • BlueCat Certified Professional
  • Palo Alto PCNSE
  • Cisco CCNA

About Ntt Singapore Pte. Ltd.

First seen: July 21, 2026
Last updated: July 31, 2026