NOC​/Network L2 Engineer

Key Responsibilities
Advanced Incident Handling:
Own L2 queue for routing/switching, wireless, and firewall incidents; perform deep diagnostics (logs, flow analytics, packet captures) and restore service within SLA.
Problem Management & RCA:
Lead root cause analysis for recurring issues; document corrective actions, standard fixes, and contribute to Known Error Database.
Change & Configuration Management:
Prepare and execute standard changes (port/VLAN ops, trunking, ACL updates, AP configuration, SSID policy, firewall rule changes) under CAB governance; validate post-change health.
Wireless Operations:
Optimize WLAN (RF planning basics, interference checks, controller/AP configs), 802.1X authentication, guest/IoT segmentation; coordinate site surveys with vendors where required.
Security & Perimeter:
Administer firewall policies/NAT/VPN; review change impacts and mitigate risks; collaborate with Sec Ops on rule audits and posture improvements.
Performance & Capacity:
Track link/device utilization, errors, and RF metrics; recommend tuning/augmentation; contribute to quarterly capacity reviews.
Knowledge & Runbook Ownership:
Author and update SOPs/runbooks, remediation guides, and first-fix flows to uplift L1 effectiveness.
Vendor & Cross-Functional Coordination:
Engage OEM/Telco for TAC cases, circuit faults; coordinate with Service Desk/OSS and Application teams for end-to-end resolution.
Compliance & Audit:
Ensure changes and configs adhere to standards; support audits with evidence and config snapshots.
Must-Have Skills & Experience

Experience:

3+ years in enterprise networking with hands-on L2 ownership across Switching, Wireless, and Firewall.
Switching/Routing:
Strong on VLANs, STP, Ether Channel/LACP, OSPF/BGP basics, QoS, port security (Cisco/Juniper).
Wireless (WLAN):
Controller/AP operations (Aruba/Cisco), SSID, RF troubleshooting, 802.11/802.1X, guest segmentation.
Firewall:
Policy management, NAT, IPS/URL filtering concepts; experience with Palo Alto or Fortinet preferred (plus: F5 LTM for L2 stack integration).
Monitoring & Tools: NMS/SIEM/ITSM (e.g., Solar Winds, Cisco Prime/Aruba Central, Panorama/Forti Manager, Wi-Fi analyzers, packet capture tools).
Operational Excellence:
Incident lifecycle, change control, CAB processes, documentation discipline.