Network & Security Professional

We are seeking an experienced L2 Network and Security professional who can manage, monitor, troubleshoot, and maintain enterprise network (Wired & wireless) and security infrastructure. The candidate will be responsible for handling technical incidents, implementing configuration changes, performing preventive maintenance, and ensuring the availability, performance, and security of network services

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Key Responsibilities:

• Independently monitor, manage, and troubleshoot network and security devices.
• Configure and support routers, switches, wireless access points, firewalls, VPNs, and related infrastructure.
• Diagnose and resolve L2-level incidents involving network connectivity, performance, routing, switching, wireless, and security.
• Manage firewall policies, access-control lists, NAT rules, site-to-site VPNs, and remote-access VPNs.
• Perform configuration changes, firmware upgrades, patching, backups, and restoration of network and security devices.
• Monitor network availability, bandwidth utilization, device health, security alerts, and system logs.
• Troubleshoot LAN, WAN, VLAN, STP, routing, DNS, DHCP, VPN, and Wi-Fi-related issues.
• Perform root-cause analysis for recurring incidents and recommend corrective and preventive actions.
• Coordinate with service providers, OEM support teams, and other internal teams for issue resolution.
• Handle service requests, incidents, problems, and changes in accordance with established IT service-management processes.
• Maintain accurate network diagrams, configuration records, inventory details, standard operating procedures, and troubleshooting documents.
• Ensure compliance with organizational security policies, standards, and change-management procedures.
• Provide technical guidance to L1 engineers and escalate complex issues to L3 or vendor support when required.
• Participate in network and security audits, vulnerability remediation, capacity planning, and infrastructure-improvement activities.
• Provide support during maintenance windows and participate in rotational on-call or shift duties, as required.

Technical Skills

• Strong knowledge of TCP/IP, subnetting, VLANs, trunking, STP, EtherChannel, routing, and switching.
• Working knowledge of routing protocols such as OSPF, BGP, and static routing.
• Hands-on experience with enterprise routers, switches, wireless controllers, and access points.
• Experience managing next-generation firewalls and security appliances.
• Good understanding of firewall policies, NAT, ACLs, IPsec VPNs, SSL VPNs, and network segmentation.
• Familiarity with network-monitoring and log-analysis tools.
• Knowledge of high-availability, redundancy, failover, and disaster-recovery concepts.
• Basic understanding of network-security threats, vulnerability management, and incident-response procedures.
• Ability to analyse packet captures and system logs using relevant troubleshooting tools.
• Willingness to work in shifts, during planned maintenance windows, and provide on-call support when required.