Job Description
– Sr. Network Engineer (L2) Role: L2 – Senior Network Engineer Experience Required: 4–8 Years Employment Type: Permanent Job
Location:
Gurugram Working Days: 5 Days a Week Job Overview We are looking for an experienced L2 Senior Network Engineer with strong expertise in network operations, monitoring, troubleshooting, and infrastructure support. The role involves managing day-to-day network operations, monitoring network health, resolving L2 issues, and executing configuration changes under defined SOPs and guidance from L3 teams.
Key Responsibilities
• Cisco DNAC Support
• Monitor network health, device compliance, and assurance dashboards.
• Assist in provisioning switches and access points using DNAC templates.
• Generate and analyze DNAC reports, including inventory, SWIM, topology, and client health.
• Perform basic troubleshooting of synchronization failures and telemetry issues.
• Cisco ISE (NAC / EAP-TLS / MDM / RADIUS / TACACS+)
• Monitor authentication logs and troubleshoot 802.1X authentication failures (EAP-TLS, PEAP).
• Verify endpoint posture assessments and MDM compliance status.
• Troubleshoot user and machine certificate-related issues.
• Perform ISE node and PSN health checks.
• Handle basic ISE operations, including endpoint addition, profiling checks, and session clearing.
• Escalate complex authentication and policy-related issues to L3 teams.
• Cisco ThousandEyes
• Monitor agent health, alerts, and network performance.
• Validate synthetic tests and endpoint agent functionality.
• Troubleshoot basic connectivity and agent installation issues.
• Fortinet – FortiGate, FortiAnalyzer & FortiManager
• Monitor firewall logs and security alerts through FortiAnalyzer.
• Assist with firewall rule reviews and rule lifecycle management.
• Execute standard configuration updates through FortiManager under guidance.
• Perform basic troubleshooting of VPN connectivity, interface flaps, and routing issues.
• IT Asset Management
• Maintain and update network inventory, including switches, access points, routers, and firewalls.
• Track firmware versions, EOL/EOS status, and compliance requirements.
• Assist with spare inventory management and RMA coordination.
• LAN Switching – Cisco / Brocade / Nexus
• Troubleshoot access-layer network issues involving VLANs, trunking, and STP.
• Perform switch port configuration, MAC address tracing, and interface health checks.
• Handle basic Cisco Nexus operations, including vPC checks and interface monitoring.
• Perform configuration backups and restoration activities.
• Scripting & Automation Support
• Execute pre-built scripts using Python, Bash, and Ansible for routine automation tasks.
• Assist in log collection, report generation, and operational activities using automation tools.
• DHCP Support
• Troubleshoot IP address conflicts and DHCP scope exhaustion.
• Validate DHCP leases and address assignment logs.
• Check DHCP relay configurations (IP Helper) and related connectivity issues.
• NIPS (Network Intrusion Prevention System)
• Monitor intrusion alerts and security events.
• Perform initial analysis of suspicious network activity and escalate findings to relevant teams.
• Validate sensor health and connectivity.
• Cisco Wireless LAN Controller (WLC)
• Troubleshoot wireless client connectivity issues, including authentication failures, DHCP, and roaming.
• Monitor wireless controller and access point health.
• Modify WLAN configurations as per defined SOPs.
• Troubleshoot RF parameters, AP join issues, and client load-related problems. Required Skills & Qualifications
• Strong understanding of L2/L3 networking fundamentals, including VLANs, STP, EtherChannel, DHCP, and basic routing.
• Hands-on experience in network monitoring, operations, and L2 troubleshooting.
• Familiarity with Cisco DNAC, Cisco ISE, Cisco ThousandEyes, and Cisco WLC.
• Working knowledge of Fortinet solutions – FortiGate, FortiAnalyzer, and FortiManager.
• Understanding of 802.1X authentication mechanisms, including EAP-TLS and PEAP.
• Familiarity with troubleshooting tools such as Wireshark, DNAC Assurance, ThousandEyes, and FortiAnalyzer.
• Basic scripting knowledge in Python, Bash, or Ansible.
• Valuable documentation, incident management, and change management skills. Experience Requirements
• 4–8 years of relevant experience in Network Operations, Network Support, or Infrastructure Support.
• Experience in monitoring, troubleshooting, and executing network changes in an enterprise environment.
• Ability to handle L2 operational issues independently and coordinate with L3 teams for complex escalations.
Skills:
cisco ise,routing,fixed wireless,dnac,troubleshooting,operations
📌 Cisco Ise– Senior Network Engineer (Gurugram)
🏢 Neev
📍 Gurugram