The Job

Senior Administrator - Network LAN/WAN

Technology, Data & Digital · IT Infrastructure & Security · Network Administration · DevOps

Join for updates

In short

Seeking a Senior Administrator - Network LAN/WAN with 3-5 years of experience in enterprise campus networks and 24x7 support. Responsibilities include supporting global LAN infrastructure, troubleshooting connectivity issues, and managing incidents and changes using tools like Cisco Catalyst Center (DNAC) and ServiceNow.

Responsibilities

  • Support enterprise LAN infrastructure across global locations.
  • Monitor network health and availability.
  • Troubleshoot Layer 1, Layer 2, and Layer 3 connectivity issues.
  • Support VLAN, trunking, port configuration, and connectivity requests.
  • Execute standard network provisioning requests.
  • Support Cisco Catalyst 9000 Series, Cisco Nexus Platforms, Aruba CX Switches, and HPE Comware Switching.
  • Support OSPF, EIGRP, BGP environments.
  • Troubleshoot STP-related issues.
  • Support HSRP and VRRP operations.
  • Perform route verification and connectivity validation.
  • Resolve L2 incidents within SLA.
  • Support L1 team and service request fulfillment.
  • Escalate complex issues to L3 teams.
  • Update incident and change records in ServiceNow.
  • Implement approved network changes and execute maintenance activities.
  • Validate successful implementations and perform rollback activities if required.
  • Utilize Cisco Catalyst Center (DNAC), SolarWinds, Splunk, ThousandEyes, ServiceNow, and iObserve.
  • Update network diagrams and maintain CMDB records.
  • Create implementation and troubleshooting reports.

Requirements

  • 3-5 years of LAN Operations experience.
  • Experience in enterprise campus networks.
  • Experience supporting 24x7 operations.
  • Cisco Catalyst Switching
  • Cisco Nexus Switching
  • Aruba CX Switching
  • VLANs, STP, EtherChannel
  • OSPF, EIGRP
  • HSRP, VRRP
  • Basic QoS knowledge
  • ServiceNow

Desired Qualifications

  • CCNA Enterprise
  • Aruba Certified Associate
  • ITIL Foundation
#Network LAN/WAN#Network Engineer#Enterprise DNAC#LAN Operations#Switching Support#Routing & Switching#Incident & Request Management#Change Management#Monitoring & Tools#Documentation
HCLTech Logo

Company

HCLTech

Job Posted

2 weeks ago

Employment Type

Full Time

WorkMode

On Site

Experience Level

Mid-Senior

Locations

Gautam Buddha Nagar, India

Applicants

Be an early applicant