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Sr Administrator (Support & Operations)

Date Posted: Oct 10, 2026

Job Detail

  • location_on
    Location Noida, Uttar Pradesh, India
  • desktop_windows
    Job Type: Full Time/Permanent
  • schedule
    Shift:
  • analytics
    Career Level:
  • group
    Positions:
  • calendar_view_day
    Experience:
  • male
    Gender: No Preference
  • school
    Degree:
  • calendar_month
    Apply Before: Dec 07, 2026

Job Description

Job Summary

Network Data LAN/WAN/SDWAN Engineer – L2

Key Responsibilities

 Supporting datacenter networks implementations and operations. • Conduct preventive maintenance and ensure maximum network updates • Understanding and supporting client data center networks globally • Advise modern technologies and design changes to clients as appropriate • Execute software upgrades, device hardening, standardization, and cleanup tasks • Maintain Datacenter Network devices inventory • Maintain datacenter network diagrams UpToDate using Visio. • Attending high severity technical bridges, Troubleshoot technical issues. • Fulfilling requests, Resolving Incidents in adherence with SLAs. • Perform root cause analysis and closing problem tickets. • Act proactively on alerts/incidents generated by network monitoring tools. • Supporting tasks related to Configuration management, Change management, Vulnerability management, patch management etc. • Support EOL/EOS devices refresh projects. • Coordinate with OEM technical support to resolve complex issues. • Collaborate with Customer network team, HCL teams deployed globally. • Must train and support L1engineers about network infrastructure. 

Skill Requirements

 Good Hands-on experience with proficiency in managing large scale datacenter networks comprised of various technologies. • Extensive knowledge to support installation configuration, administration, and advanced troubleshooting of datacenter networks • Knowledge of implementing and troubleshooting complex layer two technologies such as VLAN Trunks, VTP Ether channel, STP, RSTP and MST. • Hands on in Cisco catalyst, Nexus, ASR, ACI platforms. • WAN protocols like OSPF, BGP. Stack wise, VDC, VPC. • Packet capture and analyzing skills • Should be able to handle day-to-day issues in LAN / WAN infrastructure • Strong technical skills and Hands-on in Cisco datacenter switches, routers • Should be able to coordinate with Vendors (OEM / TP) • Should have knowledge of SDWAN solutions (Viptela / Meraki / Velo) • Knowledge of DNS, DHCP and IPAM solutions (Optional) • Knowledge of Wireless Technologies (Optional)

Other Requirements

Excellent communication and conversation skills (Verbal and Written). • Good documentation skills. • Must have excellent customer relationship skills. • Able to perform under high pressure, demanding situations. • Open Minded with good listening skills and one team thought process. • Adaptability, Flexibility to support off hours based on the need/urgency

Source: HCLTech careers — Read the original posting and apply

This role is listed by the employer on its own careers site. Kaam Ki Khoj does not process applications for it.

Company Overview

HCLTech
HCLTech · Noida, Uttar Pradesh, India
4,246 open roles

HCLTech is an employer in the IT/Computers - Software, Software Services sector with operations in India. This is a directory listing maintained by Kaam Ki Khoj so that candidates can find the organisation; it is not an official company page and Kaam... Read More

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