Senior Consultant – Network & Security Operations

About position: The Senior Consultant – Network Security Operations provides senior-level technical support and operational ownership for enterprise network and security infrastructure. The role leads complex incident resolution, drives root cause analysis, oversees high-risk changes, coordinates with internal and external teams, mentors’ junior engineers, and improves service stability across WAN, LAN, SD-WAN, firewalls, and secure access technologies. What you will do: Serve as the senior escalation point for complex network and security incidents. Troubleshoot and resolve WAN, LAN, SD-WAN, routing, firewall, and secure access issues. Lead technical response during major incidents and critical outages. Coordinate with infrastructure, security, application, telecom, MSP, and vendor teams. Support enterprise networking, including Cisco, HPE Aruba, Silver Peak/Aruba EdgeConnect SD-WAN, and multi-provider WANs. Diagnose routing, connectivity, latency, packet loss, and network performance issues. Manage and troubleshoot Fortinet FortiGate, Palo Alto (including Panorama), and Zscaler (ZIA, ZPA, Client Connector) environments. Review, implement, and validate high-risk network/security changes with rollback planning. Perform Root Cause Analysis (RCA), Problem Management, and drive continuous service improvements. Mentor junior engineers and maintain technical documentation, SOPs, runbooks, and knowledge articles. Support infrastructure upgrades, migrations, automation, monitoring, and operational standardization. Ensure compliance with SLAs, ITIL Incident/Problem/Change Management, and security policies. Strong expertise in TCP/IP, enterprise networking, Cisco/HPE Aruba, SD-WAN, firewalls, VPNs, NAT, Zscaler, ServiceNow, and cross-functional stakeholder management.