Network Administrator LAN/WAN SDWAN
- Source: Naukri
- Tata Consultancy Services
- On-site
- Chennai
- Full-Time
- Mid level
Job Description
Key Responsibilities*
Network Operations & Support
Administer and support LAN, WAN, WLAN, and Internet connectivity.
Monitor network performance, availability, and capacity using standard tools.
Perform incident management, troubleshooting & root cause analysis.
Ensure network uptime and adherence to SLAs.
Configuration & Maintenance
Configure & maintain routers, switches & wireless controllers.
Perform basic firewall & VPN device administration.
Execute standard changes, patching, firmware upgrades & backups.
Implement approved network design changes following standards.
Security & Compliance
Administer firewall rules & VPN user settings.
Support network segmentation and access controls.
Help ensure compliance with security and governance requirements.
Assist in vulnerability remediation & audit activities.
Monitoring & Documentation
Monitor alerts, logs & events; take proactive preventive actions.
Maintain diagrams, documentation & network asset inventory.
Update runbooks, SOPs & operational procedures.
Collaboration & Escalation
Work with Network Architects/Sr. Engineers for complex issues.
Coordinate with vendors & ISPs for issue resolution.
Escalate unresolved issues per ITIL/Incident Management process.
Continuous Improvement
Identify recurring problems & contribute to longterm fixes.
Participate in problem management & PIR discussions.
Support automation & network standardization initiatives.
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