Network Engineer
Current• Implemented and managed a suite of security solutions including multilayer firewalls, intrusion prevention systems, email security gateways, web application firewalls, and remote access VPNs.• Maintained and optimized Invest Bank's core network and security infrastructure for high availability, scalability, and robust security.• Orchestrated the setup and maintenance of two data centers to ensure active/active support for all internal and external applications.• Proactively detected, identified, and responded to cyber threats, events, and vulnerabilities, aligning with cyber security policies and procedures.• Administered IT network operations, overseeing network, data, voice, and telephony infrastructure management.• Managed and supported internet leased lines, MPLS VPNs, and L2 leased lines for the bank's networks.• Configured network protocols, and port security on switch ports, emphasizing security hardening.• Implemented and maintained WLAN controllers and access points for wireless network connectivity.• Monitored and reviewed network logs, incidents, and changes, ensuring effective incident management.• Coordinated with ISPs and managed call logs to resolve issues with internet and MPLS links.• Configured and monitored net flow bandwidth analysis and traffic monitoring for network performance optimization.• Reviewed vulnerability scans and recommended network changes based on inputs from SOC and device security hardening practices.• Maintained and updated LAN/WAN documentation such as LLD, HLD, and complete network hardware inventory.• Configured IP phones and voicemail with Cisco Call Manager and Unity Connection.• Managed call logs and configuration backups for CUCM and CUC systems.• Implemented and managed Network Admission Control (NAC) for network security enforcement.• Monitored CUCM and CUC systems using RTMT and utilized tools such as PRTG, OP Manager Plus, Billy Blue, and Kiwi Syslog for network management.
