SeniorAdministrator - Wireless Networking

Chennai, Tamil Nadu

Job Summary

The Sr Administrator for Support & Operations plays a crucial role in delivering advanced technical support and troubleshooting for LAN/WAN, Wireless WLAN (Cisco), and SDWAN solutions. This position is essential for ensuring customer satisfaction through effective incident resolution and implementing robust security measures. The role demands a proactive approach to managing complex technical issues and contributing to continuous improvement initiatives.

Key Responsibilities

- Manage and support network infrastructure across LAN, WAN, Wireless, and Data Center environments.

- Monitor, diagnose, troubleshoot, and resolve network incidents to restore services within defined SLAs.

- Handle escalated issues from L1 and perform in-depth troubleshooting before escalating to L3 when required.

- Collaborate with internal teams and external vendors to resolve network issues efficiently.

- Perform day-to-day network administration, including configuration changes, validation, and documentation in line with change management processes.

- Coordinate with vendors and circuit providers for issue resolution and service restoration.





- Maintain accurate documentation for network configurations, changes, and operational procedures.

- Ensure adherence to ITIL processes, including incident, change, and problem management.

- Ensure compliance with organizational policies, industry standards, and security requirements.

Skill Requirements

- Robust experience working with network technologies across LAN, WAN, Wireless, and Data Center environments.

- Hands-on experience with vendors such as Cisco, Juniper, HP Aruba, Ubiquiti, F5, and Citrix Netscaler.

- Strong troubleshooting expertise in routing, switching, load balancing, and wireless protocols.

- Experience with network monitoring and ticketing tools (e.g., ServiceNow, SolarWinds, PRTG).

- Good understanding of networking fundamentals (IP addressing, subnetting, routing protocols).

- Strong communication and coordination skills.

Other Requirements

1.

Optional But Valuable Certifications: Cisco Certified Network Associate (Ccna), Cisco Certified Network Professional (Ccnp) In Routing And Switching Or Wireless, And Itil Foundation Certification

📌 SeniorAdministrator - Wireless Networking (Chennai)
🏢 HCLTech
📍 Chennai