Network & Security Senior Officer

Job Responsibilities :- Design, implement, configure, and maintain LAN, WAN, WLAN, VPN, VLANs, routers, switches, firewalls, and wireless infrastructure. Monitor network performance, troubleshoot connectivity, latency, packet loss, outages, and resolve escalated incidents. Support network-related incidents escalated by the Service Desk. Identify network security vulnerabilities and recommend remediation. Support NOC activities and ensure timely response to network alerts. Analyze monitoring trends to identify potential failures before they impact business operations.Design, implement, and maintain network documentation using Source of Truth (SoT) and IPAM platforms such as NetBox, Nautobot, or equivalent. Maintain accurate documentation covering topology, devices, interfaces, IP addresses, VLANs, circuits, and relationships. Perform network capacity planning and identify future infrastructure requirements Participate in business continuity and disaster recovery planning. Coordinate with network equipment vendors, system integrators, and ISPs. Review technical proposals and recommend appropriate network solutions. Manage VLANs, ACLs, VPNs, secure remote access, support firewall configuration, and identify network vulnerabilities. Monitor infrastructure using SolarWinds/PRTG/Zabbix, configure alerts, analyze trends, and use SNMP, Syslog, NetFlow/sFlow. Support/lead network upgrades, migrations, expansions, new technologies, technical designs, implementation, testing, and rollback plans. Maintain network diagrams, IP addresses, VLANs, devices, interfaces, circuits, configurations, procedures, and SoT/IPAM using NetBox/Nautobot. Conduct capacity planning, identify bottlenecks, recommend upgrades, and test redundancy/failover.