Senior Administrator - Network LAN/WAN
India
Job Description
Senior Administrator - Network LAN/WAN
Noida, Uttar Pradesh

Job Summary

DDI Engineer - DNS, DHCP, IPAM & NTP Operations

Key Responsibilities

DNS Operations\\r\\n• Administer internal and external DNS environments.\\r\\n• Create, modify, and remove DNS records.\\r\\n• Manage DNS zones and delegation requests.\\r\\n• Support recursive and authoritative DNS services.\\r\\n• Troubleshoot DNS resolution issues.\\r\\n• Support Route53 and Azure DNS operational activities. [Job Descri...S DHCP NTP | Word]\\r\\nDHCP Operations\\r\\n• Create and maintain DHCP scopes.\\r\\n• Manage reservations and exclusions.\\r\\n• Support DHCP failover services.\\r\\n• Troubleshoot IP allocation issues.\\r\\n• Monitor lease utilization and address consumption.\\r\\n• Support IPAM-related service requests. 

Job Descri...S DHCP NTP | Word]\\r\\n\\r\\n\\r\\nMonitoring & Event Management\\r\\nSupport monitoring platforms including:\\r\\n• Infoblox Reporting & Analytics\\r\\n• SolarWinds\\r\\n• Splunk\\r\\n• LogicMonitor\\r\\n• ThousandEyes\\r\\n• ServiceNow Event Management\\r\\n• iObserve\\r\\nResponsibilities:\\r\\n• Monitor alerts and events.\\r\\n• Perform preliminary event analysis.\\r\\n• Escalate critical alerts.\\r\\n• Support service restoration activities. [Job Descri...S DHCP NTP | Word]\\r\\nDocumentation & CMDB\\r\\n• Update DNS and DHCP documentation.\\r\\n• Maintain IPAM accuracy.\\r\\n• Support CMDB updates.\\r\\n• Document implementation and troubleshooting procedures. [Job Descri...S DHCP NTP | Word]\\r\\n________________________________________\\r\\nRequired Technical Skills\\r\\nDDI Platforms\\r\\n• Infoblox DDI\\r\\n• BlueCat DDI (Basic Operations)\\r\\n• Microsoft DNS\\r\\n• Microsoft DHCP\\r\\n• Cygna labs DNS/DHCP (Preferred)\\r\\nDNS\\r\\n• DNS Fundamentals\\r\\n• Recursive DNS\\r\\n• Authoritative DNS\\r\\n• DNS Delegation\\r\\n• Route53\\r\\n• Azure DNS\\r\\nDHCP/IPAM\\r\\n• DHCP Scopes\\r\\n• DHCP Relay\\r\\n• IPv4\\r\\n• IPv6\\r\\n• IP Address Management\\r\\nNTP\\r\\n• NTP Administration\\r\\n• Windows Time Services\\r\\nTools\\r\\n• ServiceNow\\r\\n• SolarWinds\\r\\n• Splunk\\r\\n• LogicMonitor\\r\\n• ThousandEyes\\r\\n

Skill Requirements

3-5 years of DNS/DHCP/IPAM support experience.\\r\\n• Experience working in enterprise environments.\\r\\n• Understanding of ITIL Incident and Change Management.\\r\\n• Exposure to cloud DNS services preferred.\\r\\n________________________________________\\r\\n

Other Requirements

• Infoblox Certified DDI Professional (CDDI)\\r\\n• Microsoft Administrator Certification\\r\\n• ITIL Foundation\\r\\n

Information at a Glance

Why HCLTech?

At HCLTech, you'll supercharge your potential. You'll find your career. And you'll find your spark. All at a place that knows that helping its customers stay on top starts by putting its people first.

HCLTech is a global technology company, home to more than 223,000 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending June 2026 totaled $14.8 billion.