Senior Network Security Engineer & SD-WAN Architect

Network Security & Firewall Management
Extensive expertise in designing, deploying, and troubleshooting multi-vendor network security solutions including FortiGate, Palo Alto, Cisco ASA, and Juniper firewalls. Proficiency in Firewall Administration, VPN IPSec, IPS/IDS, Application Control, Web and Content Filtering, SSL Inspection, and Threat Prevention. Centralized management using FortiManager, FortiAnalyzer, and Panorama.

SD-WAN Architecture & Deployment
Strong expertise in SD-WAN technologies such as Fortinet Secure SD-WAN and Cisco Viptela SDWAN, covering design, deployment, performance optimization, and SLA-based routing. Management of Fortinet SD-WAN infrastructure using FortiManager for centralized configuration, including ADVPN and site-to-site VPN configuration and troubleshooting.

Wireless Networking (Aruba WLAN)
In-depth knowledge of Aruba WLAN including Mobility Controllers, Clustering, LMS/Backup LMS, and Aruba ClearPass. Knowledge of Aruba Central and Mobility Conductor for modern campus network designs, as well as CPPM, Mobility Master, WLC, and AP management.

Python Automation
Automation of daily manual tasks, monitoring reports, and tech runbooks using Python. Creation of technical runbooks and workflow automations to standardize troubleshooting and reduce manual intervention.

Network Design & Documentation
Preparation of High-Level Design (HLD) and Low-Level Design (LLD) documentation, network topology and architecture diagrams using Microsoft Visio, migration runbooks, test plans, and as-built documentation for enterprise projects.

Cloud & AWS Networking
Implementation of Gateway VPC Endpoints, Interface Endpoints, and VPC Endpoint Policies on AWS. Configuring and troubleshooting VPC Peering, deploying and monitoring AWS WAF, configuring Client VPN Endpoints, and deploying and managing vendor firewalls on AWS.

Load Balancing (F5 Big-IP)
Creation and management of virtual servers, pools, and pool members on F5 Big-IP. Monitoring of virtual servers and pools to ensure availability and performance.

Project Management & Team Leadership
End-to-end project execution including planning, implementation, and handover. Team leadership and mentoring of L2/L3 support teams, change management (CAB, MOP Review), root cause analysis, and stakeholder coordination.

Tools & Technologies
Proficiency in FortiManager, FortiAnalyzer, FortiSIEM, Aruba Central, ClearPass, AirWave, Wireshark, SolarWinds, ServiceNow, Jira, Microsoft Visio, MS Project, MS Excel, and Notepad++ for network operations and reporting.