DDI SME L3

Job Title : DDI L3 Engineer

Location : Pune

Department : Network Infrastructure & Core Operations (DDI Services)

Reports To : Network Operations Manager / Core Manager

Role Overview

The DDI L3 Engineer is responsible for leading enterprise-level DNS, DHCP, and IPAM (DDI) operations, ensuring high availability, performance, and security of network services. This role involves advanced troubleshooting, architecture design, migrations, upgrades, and collaboration with internal and external teams to maintain compliance with customer SLAs.

As a senior member of the DDI operations team, the engineer provides L3-level support , drives Infoblox infrastructure management , and contributes to service optimization and network automation initiatives.

Key Responsibilities

• DDI Operations & Support
• Act as the primary technical lead for DDI (DNS / DHCP / IPAM) operations and end-to-end service delivery.
• Handle L3-level incidents, escalations, and service requests from L1 / L2 engineers.
• Provide 24x7 on-call support for DNS, DHCP, and IP address management-related issues.
• Manage DDI service availability and proactively monitor network performance and KPIs.
• Perform troubleshooting and root cause analysis (RCA) for critical incidents, and implement corrective / preventive actions.
• Maintain committed SLA / Uptime for all managed DDI environments.
• Design, Deployment, & Migration
• Design, implement, and upgrade Infoblox DDI environments (Grid Master, Grid Members, NTP, and DHCP failover setups).
• Lead and support migration projects, upgrades, and infrastructure transitions.
• Perform validation testing, execute change requests, and ensure documentation of every release or EWO.
• Develop and maintain infrastructure configuration standards and engineering design documents.
• Review and approve technical architecture documents and ensure compliance with enterprise standards.
• Network & Systems Integration
• Collaborate with LAN / WAN, Firewall, and Security teams for end-to-end network coordination.
• Provide DNS / DHCP integration support across routers, switches, and virtual environments.
• Work with vendors (Infoblox, Cisco, Juniper) for firmware updates, patches, and advanced troubleshooting.
• Manage and synchronize NTP servers (e.g., Chronos) for network time accuracy.
• Support automation and orchestration initiatives using APIs or scripting where applicable.
• Performance, Reporting, & Governance
• Conduct capacity and performance analysis of DNS / DHCP grids and IP utilization.
• Generate periodic operational, incident, and performance reports for review with management.
• Participate in governance and design review meetings and provide technical recommendations.
• Maintain detailed change and incident documentation in line with ITIL best practices.
• Review architecture, engineering, and peer documents to ensure consistency and standardization.

Key Skills & Technical Competencies

Core DDI Skills

Networking & Troubleshooting

Operational Excellence

Preferred (Good-to-Have)

Education & Experience

Work Conditions

Department & Role Summary

Category Details Department Network Infrastructure Operations / Core IP Services Sub-Domain DDI (DNS, DHCP, IPAM) Services Role Level L3 (Senior / Escalation Engineer) Tools / Platforms Infoblox, BIND, Chronos, Cisco IOS, Helix (Ticketing) Primary Objective Ensure stability, scalability, and reliability of enterprise DNS / DHCP services Reporting To Network Core / Infrastructure Manager Work Mode On-site / Hybrid with 24x7 availability

Skills : troubleshooting,operations,ipam,ddi,bind,infrastructure,design,dns,chronos,infoblox,enterprise,dhcp,management

Skills Required

Bind, Dhcp, network automation , Apis, Ipam, Infoblox, Dns, Cisco Ios, Scripting