Neev Pvt Ltd

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