Senior Administrator - Network LAN/WAN

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\\nIP Address Management (IPAM)\\r\\n• Allocate IPv4 and IPv6 address spaces.\\r\\n• Maintain IP inventory records.\\r\\n• Perform subnet utilization reviews.\\r\\n• Update IPAM databases accurately.\\r\\n• Support network deployment requests requiring IP allocations. [Job Descri...S DHCP NTP | Word]\\r\\nNTP Operations\\r\\n• Monitor NTP server availability.\\r\\n• Validate synchronization status.\\r\\n• Troubleshoot basic time synchronization issues.\\r\\n• Support NTP configuration changes. [Job Descri...S DHCP NTP | Word]\\r\\nIncident Management\\r\\n• Resolve Level-2 incidents and service requests.\\r\\n• Perform initial troubleshooting and diagnostics.\\r\\n• Escalate complex infrastructure issues to L3.\\r\\n• Maintain ticket documentation and technical notes.\\r\\n• Meet SLA targets for incident resolution. [Job Descri...S DHCP NTP | Word]\\r\\nChange Management\\r\\n• Execute approved DDI changes.\\r\\n• Perform DNS record modifications.\\r\\n• Implement DHCP scope changes.\\r\\n• Validate post-change service functionality.\\r\\n• Follow rollback procedures when required. [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