DAVID EDIMA

Architected and implemented robust multi-cloud (Azure, AWS, Huawei) and Cisco-based enterprise network infrastructure, enhancing system resilience and scalability.

Configured advanced GRE tunnels, IPSec VPNs, BGP peering, OSPF routing, and QoS policies to secure and optimize network traffic flow and performance.

Led comprehensive capacity planning, performance monitoring, and automated maintenance initiatives, ensuring 99.9% network uptime and proactive issue resolution.

Collaborated effectively with cross-functional teams to seamlessly integrate and support virtualized and cloud workloads, improving overall operational efficiency.

Administered critical Cisco ASR1000 series routers, DWDM systems, and Cisco ACI components to maintain high-performance network operations for inter-bank settlements.

Managed Cisco ACI Fabric (APIC, Nexus 9K) and integrated security solutions (FTD, ISE), enhancing network segmentation and access control for sensitive data.

Deployed and managed secure IPSec IKEv1/IKEv2 tunnels across hybrid cloud environments (Azure, AWS) and on-premise infrastructure (Cisco Meraki, Fortigate), ensuring secure data transmission.

Maintained multi-vendor firewalls (Cisco FTD, FMC, Check Point) and implemented SSL offloading, improving security posture and network performance by 15%.

Delivered comprehensive technical training and support to internal stakeholders, reducing incident resolution time by 15% and fostering team capabilities.

Managed complex L2/L3 configurations, including VLAN, STP, and routing protocols (OSPF, EIGRP, BGP), across Cisco and MikroTik devices to optimize network routing and efficiency.

Configured and maintained multi-vendor VPNs (Site-to-Site IPSec, L2TPv3, EoMPLS), ensuring secure and reliable connectivity for diverse client requirements.

Monitored network health and performance using SolarWinds and PRTG, proactively identifying and resolving issues to maintain service availability and reduce downtime by 10%.

Collaborated on strategic network design and optimization projects, contributing to a 10% improvement in network efficiency and scalability.

Managed public prefix advertisements, BGP peering with upstream providers and Internet exchange points, and optimized route policies with AFRINIC RIR to enhance global connectivity.

Planned and implemented IPv4/IPv6 addressing schemes and WAN edge network integration, utilizing VSAT, microwave, and fiber optic last-mile connectivity to expand network reach.

Resolved complex third-level network incidents, reducing average resolution time by 20%, and optimized bandwidth utilization to enhance network performance and user experience.

Automated link monitoring and reporting processes using Cacti, providing real-time insights into network performance and reducing manual effort by 15%.

Configured MPLS WAN connectivity on Core Provider Edge and Customer Edge Routers & Switches, integrating diverse last-mile connections (VSAT, Microwave Radios, Optic Fibre) for client networks.

Managed public prefix advertisements, BGP peering with upstream providers and Internet exchange points, and optimized route policies with AFRINIC RIR to ensure efficient traffic routing.