SeniorAdministrator - Wireless Networking
India
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Job Description
SeniorAdministrator - Wireless Networking
Chennai, Tamil Nadu

Job Summary

4–7 years of experience in the networking domain.  Excellent written and verbal communication skills. Strong troubleshooting skills across multiple network technologies  Very strong understanding of IP networking fundamentals and protocols.  Hands‑on experience with Grafana monitoring for dashboards and alerts. Strong knowledge of TCP/IP, STP,VLN,VTP, EIGRP, OSPF, static routing, and SNMP.  Coordinate with the vendor for issue resolution and next steps.  Aruba switches, including routing, VLANs, and advanced configurations. Good understanding of SD‑WAN technologies such as VeloCloud and Silver Peak for troubleshooting Arrange replacement of faulty devices as required.  Initiate and track the RMA process until completion.  Experience working with broadband technologies like T1, Metro‑E, fiber, cable, and DSL. Skilled in troubleshooting WAN circuits and coordinating with LECs.  Experience supporting VOIP networks in a production environment.  Hands‑on knowledge of routing and switching configuration and troubleshooting.  Working experience with SD‑WAN deployments and issue resolution.  Practical experience with VeloCloud Orchestrator for SD‑WAN operations.  Experience with Silver Peak appliances and management.  Clear understanding of end‑to‑end voice call flows and SIP signaling. Experience supporting Cisco‑centric VOIP networks and SIP‑based systems.  Skilled in phone and Jabber troubleshooting, login issues, and softphone support.  Ability to resolve device registration, firmware, and configuration issues.  Strong experience in diagnosing call failures, device provisioning, and RTP problems.  Capable of handling escalations, documenting resolutions, and improving operations.  Works effectively in fast‑paced environments with strong analytical and diagnostic skills.

Key Responsibilities

4–7 years of experience in the networking domain.  Excellent written and verbal communication skills. Strong troubleshooting skills across multiple network technologies  Very strong understanding of IP networking fundamentals and protocols.  Hands‑on experience with Grafana monitoring for dashboards and alerts. Strong knowledge of TCP/IP, STP,VLN,VTP, EIGRP, OSPF, static routing, and SNMP.  Coordinate with the vendor for issue resolution and next steps.  Aruba switches, including routing, VLANs, and advanced configurations. Good understanding of SD‑WAN technologies such as VeloCloud and Silver Peak for troubleshooting Arrange replacement of faulty devices as required.  Initiate and track the RMA process until completion.  Experience working with broadband technologies like T1, Metro‑E, fiber, cable, and DSL. Skilled in troubleshooting WAN circuits and coordinating with LECs.  Experience supporting VOIP networks in a production environment.  Hands‑on knowledge of routing and switching configuration and troubleshooting.  Working experience with SD‑WAN deployments and issue resolution.  Practical experience with VeloCloud Orchestrator for SD‑WAN operations.  Experience with Silver Peak appliances and management.  Clear understanding of end‑to‑end voice call flows and SIP signaling. Experience supporting Cisco‑centric VOIP networks and SIP‑based systems.  Skilled in phone and Jabber troubleshooting, login issues, and softphone support.  Ability to resolve device registration, firmware, and configuration issues.  Strong experience in diagnosing call failures, device provisioning, and RTP problems.  Capable of handling escalations, documenting resolutions, and improving operations.  Works effectively in fast‑paced environments with strong analytical and diagnostic skills.

Skill Requirements

SD-WAN, Aruba, Cisco

Other Requirements

 Troubleshooting SD-WAN setup
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Information at a Glance

Why HCLTech?

At HCLTech, you'll supercharge your potential. You'll find your career. And you'll find your spark. All at a place that knows that helping its customers stay on top starts by putting its people first.

HCLTech is a global technology company, home to more than 226,300 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, 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 December 2025 totaled $14.5 billion.
23 Benefits At HCLTech, we believe in empowering our employees with comprehensive benefits that support their professional growth and enhance their well-being. When you sign up for a career with us, you gain access to: https://rmkcdn.successfactors.com/147eb21f/a701dca9-f32d-4fc9-9447-6.svg Industry-benchmarked compensation https://rmkcdn.successfactors.com/147eb21f/b0c54381-ddcc-4a33-9b35-9.svg Best-in-class healthcare benefits https://rmkcdn.successfactors.com/147eb21f/b73027be-7aae-4d36-a090-4.svg Personal time off https://rmkcdn.successfactors.com/147eb21f/d5b4fdfd-2e99-4e26-9878-9.svg Maternity and paternity benefits https://rmkcdn.successfactors.com/147eb21f/3d42b0fc-4652-435a-9ece-c.svg Access to skills / higher education programs/resources https://rmkcdn.successfactors.com/147eb21f/aeddeaf2-9e25-4584-ad11-d.svg Discounts on products and services via Benefit Box https://rmkcdn.successfactors.com/147eb21f/a9609a3b-2700-4b3c-9d90-a.svg Participate in CSR programs and live life with a purpose https://rmkcdn.successfactors.com/147eb21f/c6e33851-710f-4634-bd69-f.svg Opportunities to grow and advance your career Note: The benefits listed above vary depending on the nature of your employment and the country where you work. Some benefits may be available in some countries but not in all.