Experienced Network Engineer (3+ years) adept at managing and fortifying critical network infrastructures. Proven track record of configuring and maintaining robust network frameworks. Certified in leading-edge technologies including Cisco CCNA (CISCO ID NO.14602681), and trained in Cisco CCNP and Juniper JNCIA with focus on optimizing network protocols and automating processes. Collaborative communicator skilled in liaising with diverse stakeholders, vendors, and technical teams to ensure seamless project execution. Continuously pursues innovative solutions to enhance network resilience and efficiency, demonstrating a commitment to ongoing learning and professional growth. Long term goal - lead an IT team helping companies transition from old technology to new cutting edge technology.My work: - Maintain and troubleshoot wired and wireless infrastructure - Routers, Switches, Firewalls, Access Points, and Wireless LAN Controller (WLC).- Worked on multi-vendor network devices - Cisco, Juniper, Ruckus/Brocade, and Opengear console.- Experience on Cisco 9300 series, Juniper EX3400s & EX4600s, Brocade ICX7150s & ICX7250s, Juniper SRX1500 & SRX345, and Opengear console servers CM7132-2-DAC & IM7248-2-DAC-LMV. - Manage and troubleshoot APs & WLCs of various vendors - Juniper AP43, Ruckus R710, Cisco Aironet AP4800 through Juniper MIST, Ruckus Virtual Smart Zone (vSZ), Cisco WLC 3504. - Set up/Diagnose network security services - Port security, DHCP snooping, ARP inspection IP Address Management (IPAM) through Netbox and Airtable.- Monitored and responded to thousands of network alarms and outages via Zabbix, reducing network downtime by 90%. - Created and maintained detailed network documentation, network diagrams and KB Articles.- Creating L2/L3 Private VLAN (PVLAN), assigning ports to a vlan, adding vlans to trunks, Private SSIDs, Dedicated Bandwidth service, providing public IPs to customers taken from ISPs - Experience on network protocols from physical layer to Application layer - STP, RSTP, VTP, ARP, OSPF, BGP, EIGRP, ICMP, UDP, NAT/PAT, IPv4/IPv6 dual stack, DHCP, DNS, SNMP, FTP, SNMP etc - Generating scripts and network automation through Ansible- Rasing TAC cases with the vendors, troubleshoot, and follow up for network device replacement (RMA)- Manual failover to different ISP circuit- Network monitoring, and promptly providing solution to the problem while meeting the service level agreements (SLA)