Sr Analyst

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

In short

We are looking for a Sr Analyst with 3-4 years of experience to provide first-line monitoring, triage, and operational support for enterprise campus, branch, and data-centre LAN switches. The role involves validating incidents in ServiceNow, performing L1 diagnostics, executing service requests, and ensuring accurate shift handovers in a 24x7 rotational operations environment.

Responsibilities

Monitor switch availability, interfaces, CPU, memory, power, temperature, stack, uplink, error, discard and port-utilisation alerts.
Acknowledge, validate and enrich incidents in ServiceNow; associate the correct configuration item, site, service, impact, priority and resolver group.
Perform approved L1 diagnostics for link-down, port errors, VLAN mismatch, speed/duplex, PoE, endpoint connectivity, DHCP reachability, STP events and access-port issues.
Execute standard service requests and pre-approved changes such as port enablement, VLAN assignment, port descriptions, access/trunk verification and basic configuration backup checks.
Collect show-command output, logs and topology evidence before escalation to L2.
Validate switch-port mapping, physical cabling status and device reachability with field services during site incidents, refreshes and data-centre moves.
Support pre- and post-change checks for cloud migrations, Azure Local deployments, rack moves and cutovers.
Check monitoring coverage and raise gaps for missing devices, stale CMDB records, incorrect ownership or incomplete site information.
Support event deduplication, ticket-noise reduction, knowledge capture and identification of repetitive tasks suitable for automation.
Maintain accurate shift handovers, incident timelines, evidence and closure notes within SLA.

Requirements

3–4 years of experience.
Experience in enterprise campus, branch and data-centre LAN switches.
Proficiency in TCP/IP, IPv4/IPv6 basics, VLANs, 802.1Q, STP/RSTP, EtherChannel/LACP, access and trunk ports, PoE, DHCP/DNS basics, SNMP, syslog and basic Cisco IOS troubleshooting.
Experience with Cisco Catalyst, Nexus, Cisco Catalyst Center/DNA Center, SolarWinds, Datadog and ServiceNow is desirable.
Ability to work in 24x7 rotational operations.
Cisco CCNA certification is preferred.
HPE Aruba Networking associate-level campus access credential is preferred.
ITIL Foundation certification is preferred.
Vendor fundamentals in enterprise switching are preferred.

Desired Qualifications

Clear communication skills.
Disciplined ticket ownership.
Customer focus.
Attention to detail.
Willingness to learn automation.
Ability to work calmly in a global operations environment.

Benefits

Be part of a global technology company with a strong presence in 60 countries.
Opportunity to supercharge your potential and find your career spark.
Work in a place that puts its people first.
Contribute to industry-leading capabilities centered around digital, engineering, cloud and AI.

Skills

TCP/IPIPv4IPv6VLANs802.1QSTPRSTPEtherChannelLACPPoEDHCPDNSSNMPsyslogCisco IOSCisco CatalystNexusCisco Catalyst CenterDNA CenterSolarWindsDatadogServiceNow

#networking#LAN switches#monitoring#triage#operational support#enterprise campus#branch#data-centre#ServiceNow#Cisco#HPE Aruba#ITIL#automation

About HCLTech

Supercharging progress through technology and innovation

HCLTech is a global technology company, home to 219,000+ people across 54 countries, delivering industry-leading capabilities centered around digital, engineering and cloud, 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 September 2022 totaled $12.1 billion. To learn how we can supercharge progress for…

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