The Job

Senior Administrator - Network LAN/WAN

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

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In short

Seeking a Senior Network Administrator with 3-5 years of experience in enterprise campus networks to support global LAN infrastructure. Responsibilities include monitoring, troubleshooting, and managing network devices and protocols, as well as incident and change management within defined SLAs.

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 whenever necessary and work closely with the L1 team.
  • Support service request fulfillment.
  • Escalate complex issues to L3 teams.
  • Update incident and change records in ServiceNow.
  • Implement approved network changes.
  • Execute maintenance activities.
  • Validate successful implementations.
  • Perform rollback activities if required.
  • Utilize Cisco Catalyst Center (DNAC), SolarWinds, Splunk, ThousandEyes, ServiceNow, and iObserve for monitoring.
  • Update network diagrams.
  • 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.
  • CCNA Enterprise certification.
  • Aruba Certified Associate certification.
  • ITIL Foundation certification.
  • Required Skills: Cisco Catalyst Switching, Cisco Nexus Switching, Aruba CX Switching, VLANs, STP, EtherChannel, OSPF, EIGRP, HSRP, VRRP, Basic QoS knowledge, ServiceNow.

Benefits

  • Supercharge your potential.
  • Find your career.
  • Find your spark.
  • A place that knows that helping its customers stay on top starts by putting its people first.
  • Work with a global technology company with over 223,000 people across 60 countries.
  • Deliver industry-leading capabilities centered around digital, engineering, cloud and AI.
  • 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.
#Network Engineer#LAN#WAN#Cisco#Aruba#ITIL
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Company

HCLTech

Job Posted

2 weeks ago

Employment Type

Full Time

WorkMode

On Site

Experience Level

Senior

Locations

Gautam Buddha Nagar, India

Applicants

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