Network Security Engineer

 Key Responsibility and accountabilities

Firewall & Security Infrastructure

• Perform day-to-day operation related to Firewalls (Fortinet/Palo Alto) and Security Switches, including rule management, and incident remediation.
• Operate and maintain NetScout DDoS systems for Vodafone infrastructure and enterprise customer protection. Support and optimize Fortinet/Huawei SD-WAN solutions for secure connectivity, routing policies, traffic steering, application prioritization, and hybrid cloud integration.
• Ensure to handle local Vodafone’s internal DNS, proxy, authentication, and mail relay services, ensuring high availability, compliance, and reliability.
• Operate and configure F5 devices for load balancing, mobile/fixed data traffic optimization, and IT server performance. Manage application/content filtering and deep packet inspection (DPI) for regulatory compliance and performance optimization.

Cloud

• Security and Applications Configure, operate, and optimize Azure Firewall, NSGs, and threat intelligence to secure cloud environments.
• Manage secure connectivity across VNets, subnets, and peering with proper segmentation and compliance.
• Operate Azure Application Gateway (WAF) for web application protection, SSL offloading, and content inspection.
• Administer Azure Load Balancers (public/internal), DNS, certificates, and hybrid connectivity to ensure availability and seamless delivery. Application & Load Balancing Services.

Other Tasks 

• Support in routine health check all the Network and cloud security infrastructure for proactive detection of incidents and capacity management.
• Coordinate with NOC and SOC teams to resolve incidents in line with Vodafone’s business continuity policy.
• Monitor system performance, prepare reports, and support audits to maintain a secure, compliant, and stable environment.
• Perform any additional project, task or activities assigned/delegated by the Line Manager.

Experience and Technical Qualifications

• 4 to 6 years of relevant experience in network security operations related to firewalls, switches, and load balancers
• Strong background in devices like Forti Authenticator, FortiGate, Forti Mail, Forti web.
• Bachelor’s or Engineering in IT /Telecom /Computer Networking.
• Fortinet certification (NSE4 to NSE7) Azure certification (AZ-104, AZ-500 and AZ-700)
• Scripting in python will be an added advantage convert to 3 line summary