Sahil Mankar

Network Monitoring

• Proactive Network Monitoring: Utilized enterprise monitoring tools (NMS) to track real-time network health, ensuring 99.9% uptime by identifying and resolving latencies before they escalated into outages.
• L1 Connectivity Troubleshooting: Acted as the first point of contact for network outages, diagnosing issues ranging from physical cable damage (Layer 1) to IP connectivity and gateway reachability (Layer 3).

Firewall & Routing Expertise

• Sophos Firewall Administration: Provided L1 support for Sophos firewalls, including monitoring live traffic logs to troubleshoot connectivity issues and assisting in the basic configuration of security policies and NAT rules.
• TP-Link Omada & Router Setup: Hands-on experience in the physical installation and basic Web-GUI configuration of TP-Link Omada and standard routers for branch office setups.
• Network Configuration: Configured WAN/LAN interfaces, managed DHCP settings, and performed firmware upgrades to ensure device stability and security.
• Failover Management: Verified and tested WAN failover settings (Primary and Secondary links) to ensure the branch remains online during an ISP outage.

ISP & Hardware Testing

• Huawei ODU & Wireless Testing: Conducted comprehensive testing and configuration of Huawei Outdoor Units (ODU), including alignment for signal optimization and troubleshooting Point-to-Point (P2P) wireless links.
• ISP Link Commissioning: Performed "Single System Testing" to verify ISP throughput, latency, and stability.

• Provided Tier 1 and Tier 2 technical support for critical business applications (e.g., GoDaddy, proprietary software), utilizing Remote Desktop Protocol (RDP) to diagnose and resolve incidents.
• Managed local area network (LAN) health by conducting physical infrastructure audits (e.g., cabling, port integrity) to ensure consistent connectivity
• .Accelerated employee onboarding by configuring, deploying, and hardening new end-user workstations (PC builds) with operating systems and enterprise software.
• Enhanced security and system stability by managing patch management best practices for software and operating system updates.
• Maintained administrative control of the Sophos Next-Gen Firewall (NGFW) platform to facilitate ongoing monitoring and maintenance activities.
• Configured and deployed security policies and user rules to enforce organizational security posture and control network traffic flow.