Design and manage firewall deployments using Cisco ASA, Fortinet FortiGate, and Checkpoint, including advanced rulebase optimization and threat mitigation
Architect, configure, and monitor VPN solutions (IPsec, SSL VPN) for secure connectivity across global networks
Oversee implementation and tuning of Intrusion Prevention Systems (IPS) to defend against evolving threats
Administer and optimize Zscaler Internet Access (ZIA) and Private Access (ZPA) policies for cloud security and access control
Lead Layer 2/3 switching operations, including VLAN configuration, Spanning Tree Protocol (STP) tuning, and traffic segmentation
Deploy and maintain Fortinet SD-WAN solutions for resilient connectivity and bandwidth optimization
Manage enterprise wireless infrastructure across Cisco Wireless LAN Controller (WLC), Aruba, and Meraki platforms for performance and security
Ensure reliable and secure operation of network services like DNS, DHCP, NTP, including redundancy and fault-tolerance
Conduct network risk assessments, penetration testing coordination, and remediation planning
Collaborate with cross-functional teams on security posture improvements, incident response strategy, and zero-trust architecture
Document network diagrams, policies, procedures, and change requests with a focus on audit readiness
Qualifications:
Advanced experience in firewall rule audits, traffic shaping, and security policy enforcement
Strong knowledge of Zscaler cloud security architecture and integration ; Scripting or automation (Python, Bash, PowerShell) is a plus
Proficiency in VLAN routing, trunking, STP troubleshooting, and link redundancy
Solid command of SD-WAN architectures, overlay networks, and branch-office deployments
Familiarity with wireless authentication protocols, RF optimization, and controller-based management
Competent in core services like DNS zone management, DHCP scopes, and NTP synchronization