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.