Designed, deployed, and managed SD-WAN solutions (Cisco Viptela) to optimize WAN connectivity and enhance network performance.Implemented and supported hybrid cloud infrastructure solutions on Google Cloud Platform (GCP) and AWS, utilizing VPCs, Transit Gateways, and Direct Connect for secure connectivity.Migrated on-premises and data center resources to the cloud using AWS Import/Export Snowball services.Configured and administered F5 load balancers, Bluecoat proxies, and multiple vendor firewalls (Palo Alto, FortiGate, Juniper SRX, Cisco ASA).Managed over 50 Palo Alto firewalls and integrated Azure AD SAML authentication with Zscaler for advanced security policies.Automated network configurations using Ansible and Python (Jinja2 templates) to streamline operations and reduce manual effort.Developed and maintained detailed network documentation, including topology diagrams, runbooks, and configuration guides for hybrid cloud and data center environments.Upgraded and optimized data center networks using Spine-Leaf architecture (Arista Cloud Vision) with VXLAN and EVPN solutions.Troubleshot and resolved complex LAN/WAN and firewall issues, ensuring high availability and business continuity.Collaborated with Cloud Exchange providers like Equinix for Direct Connect, IPSec tunnels, and BGP peering configurations.

Configured and supported cloud networking solutions, including customized VPC setups with auto-scaling and Elastic Load Balancers (ELB) for dynamic resource allocation.Managed and optimized F5 LTM and GTM platforms, including the deployment of Viprion models, system upgrades, and configuration of guest instances.Migrated Delta's legacy DMVPN architecture to Cisco Viptela SD-WAN, deploying V-SMART controllers and V-BOND edge routers for modernized WAN solutions.Designed and implemented a 100G Layer 3 Leaf-Spine data center architecture (eBGP) using Arista switches, improving scalability and performance.Configured and maintained next-generation firewalls (Palo Alto, Check Point) with features such as App ID, Threat ID, URL filtering, and SSL decryption.Deployed AWS solutions, including EC2 instances, S3, EBS, and RedShift, while configuring AWS Security Groups for advanced firewall policies.Troubleshot and optimized Cisco ASA firewalls (5500 series) and conducted migration to ASA 5500-X for enhanced security and vendor support.Automated network and infrastructure tasks using Terraform and Ansible to improve operational efficiency.Configured and upgraded Cisco ISR and ASR series routers, enabling seamless LAN/WAN connectivity across distributed locations.Provided ongoing support and troubleshooting for complex LAN/WAN environments, leveraging advanced routing protocols such as BGP, OSPF, and MPLS.Implemented and maintained Zscaler solutions for VPN and proxy migrations, integrating Azure AD SAML authentication for secure access control.Conducted network performance optimization and ensured system reliability through proactive monitoring using SolarWinds and Infoblox.

Provided 24/7 NOC (Network Operations Center) support, monitoring and managing WAN/LAN connectivity for district-level networks connected via Cisco Backbone Routers (7600 series).Collaborated with local telecom providers to resolve connectivity issues and ensure consistent network performance across multiple districts.Configured and maintained MPLS Layer 3 VPN for secure data center connectivity and implemented BGP for optimized WAN routing.Administered IP and WAN networks using tools like Micro Focus NNMi (formerly HP OpenView), SNMP, and CLI to ensure high availability and operational efficiency.Configured VLAN databases using VTP and inter-VLAN routing to optimize traffic flow and enhance network segmentation.Maintained and troubleshot Cisco routers (2500, 3600 series) and switches (1900, 2900, 3500 series), ensuring smooth day-to-day operations.Analyzed network performance using Syslog servers to diagnose and resolve high CPU utilization and performance degradation issues.Upgraded Cisco IOS using TFTP servers to enhance device functionality, security, and stability.Conducted inter-VLAN routing, route redistribution, and Access Control List (ACL) configurations to enhance security and traffic control.Supported network expansion projects, including deployment of new devices and documenting configurations to streamline operations.Monitored and managed telecommunications systems, ensuring vendor services aligned with performance standards.Delivered proactive solutions to optimize network hygiene and resolve critical issues in routers, switches, and VoIP devices.