AMER ALNAJJAR
Senior Network Engineer
Profile summary
Senior Network Engineer with experience in enterprise networks, managed services, data center networking, ITC Infrastructure, and hybrid cloud connectivity. with proven success in improving network availability, leading field/NOC teams, and delivering secure high-performance network solutions. PMP, ITIL4, AWS Solutions Architect and multi-CCNP certified.
Career highlights
Supported cloud-driven modernization initiatives: Supported cloud-driven modernization initiatives using hybrid connectivity, SD-WAN readiness, and scalable network architectures suitable for enterprise cloud adoption.
Mentored junior engineers: Mentored junior engineers on troubleshooting, design best practices, and operational excellence, contributing to higher team productivity and service quality.
Delivered end-to-end project documentation: Delivered end-to-end project documentation including BoQ, HLD/LLD, risks, schedules, and acceptance reports aligned with PMP and ITIL practices.
Integrated security and compliance controls: Integrated security and compliance controls including ACLs, VPNs, Firewalls (Fortinet/Palo Alto), segmentation, and high-availability designs aligned with organizational security standards.
Provided cross-functional technical leadership: Provided cross-functional technical leadership across engineering, operations, and project teams, ensuring smooth execution of rollout plans, upgrades, and change management procedures.
Optimized network performance and service continuity: Optimized network performance and service continuity through proactive monitoring, capacity planning, and automation using Python and Netmiko for routine tasks and configuration audits.
Designed and implemented multi-layer network architectures: Designed and implemented multi-layer network architectures using Cisco Core, Distribution, and Access platforms (Catalyst, Nexus, SG series) with advanced routing, switching, security, and virtualization technologies.
Led operations for 54+ enterprise sites: Led operations for 54+ enterprise sites within Managed Network Services projects, ensuring high availability, SLA compliance, and rapid incident resolution.
Delivered large-scale Network & ICT infrastructure projects: Delivered large-scale Network & ICT infrastructure projects across telecom and enterprise environments, including multi-vendor deployments, WAN/LAN modernization, and datacenter upgrades.
Improved Network Performance: Tuned dynamic routing protocols (RIP, EIGRP, OSPF) to enhance route convergence and reduce latency by over 30%.
Increased Network Uptime: Monitored and analyzed network performance, identifying issues early and supporting proactive maintenance, increasing uptime by 27%.
Key skills
Professional experience
- Led planning and execution of network deployment and upgrade projects using PMP principles for 53+ sites across multiple sectors for STC customers, ensuring on-time delivery, controlled risks, and clear communication with stakeholders with over 97% customer satisfaction. - Designed and led the deployment of enterprise LAN/WAN networks with multi-vendor network solutions Cisco, Huawei, and Aruba platforms, applying advanced routing and switching (OSPF, BGP, VLANs) to ensure high availability, security and improve performance and operational efficiency by over 95%. - Diagnosed and resolved complex L2/L3 issues and high-priority incidents within SLA, leading proactive monitoring and preventive maintenance efforts with NOC teams to minimize downtime and reduce outages to under 7%. - Optimized data center network performance by supporting high-availability designs, redundancy, and capacity planning across multi-vendor platforms (Cisco, Huawei, Aruba). - Implemented secure enterprise network solutions including routing, switching, segmentation, and access control (BGP, OSPF, VLANs, ACLs), ensuring reliable connectivity and compliance with security standards across mission-critical environments. -Integrated cloud networking concepts and supported secure connectivity with AWS environments, ensuring reliable hybrid network operations and cloud-ready infrastructure setups.
- Led planning and execution of network deployment and upgrade projects using PMP principles for 53+ sites across multiple sectors for STC customers, ensuring on-time delivery, controlled risks, and clear communication with stakeholders with over 97% customer satisfaction.
- Designed and led the deployment of enterprise LAN/WAN networks with multi-vendor network solutions Cisco, Huawei, and Aruba platforms, applying advanced routing and switching (OSPF, BGP, VLANs) to ensure high availability, security and improve performance and operational efficiency by over 95%.
- Diagnosed and resolved complex L2/L3 issues and high-priority incidents within SLA, leading proactive monitoring and preventive maintenance efforts with NOC teams to minimize downtime and reduce outages to under 7%.
- Optimized data center network performance by supporting high-availability designs, redundancy, and capacity planning across multi-vendor platforms (Cisco, Huawei, Aruba).
- Implemented secure enterprise network solutions including routing, switching, segmentation, and access control (BGP, OSPF, VLANs, ACLs), ensuring reliable connectivity and compliance with security standards across mission-critical environments.
- Engineered and deployed enterprise WAN/WLAN and long-range point-to-point / point-to-multipoint radio connectivity for 370+ branch sites using InfiPlanner & LinkPlanner, ensuring resilient remote access and optimized backhaul performance. - Troubleshot complex L2/L3 routing and switching issues across multi-site infrastructure (OSPF, BGP, VLANs, STP, ARP, QoS), resolving service-impacting incidents and improving network stability and routing efficiency. - Performed OS/firmware upgrades, applied security hardening standards (ACLs, DHCP-Snooping, Port-Security), and implemented configuration compliance to support secure and stable enterprise network operations. - Monitored and analyzed network performance using tools such as cnMaestro X and InfiMONITOR, identifying issues early and support ing proactive maintenance activities, increasing uptime by 27%. - Supervised on-site field engineering activities for network rollouts, migrations, and cutovers, ensuring correct cabling, radio alignment, RF parameters, routing configurations, and service validation. - Developed and maintained detailed L2/L3 diagrams, as-built documentation, configuration templates, and site survey reports to support efficient fault isolation and accelerate deployment/handover cycles by 30%.
- Engineered and deployed enterprise WAN/WLAN and long-range point-to-point / point-to-multipoint radio connectivity for 370+ branch sites using InfiPlanner & LinkPlanner, ensuring resilient remote access and optimized backhaul performance.
- Troubleshot complex L2/L3 routing and switching issues across multi-site infrastructure (OSPF, BGP, VLANs, STP, ARP, QoS), resolving service-impacting incidents and improving network stability and routing efficiency.
- Performed OS/firmware upgrades, applied security hardening standards (ACLs, DHCP-Snooping, Port-Security), and implemented configuration compliance to support secure and stable enterprise network operations.
- Monitored and analyzed network performance using tools such as cnMaestro X and InfiMONITOR, identifying issues early and supporting proactive maintenance activities, increasing uptime by 27%.
- Supervised on-site field engineering activities for network rollouts, migrations, and cutovers, ensuring correct cabling, radio alignment, RF parameters, routing configurations, and service validation.
- Designed and implemented enterprise-grade wired and wireless network infrastructures for 70+ projects, developing topology diagrams and implementation plans using Microsoft Visio and Edraw. - Deployed, configured, and optimized multi-vendor network devices (Cisco, Huawei, HP, Dell, 3Com, TP-Link) for access, distribution, and core layers. - Tuned and optimized dynamic routing protocols (RIP, EIGRP, OSPF) to enhance route convergence and reduce latency by over 30%. - Supported data center operations including rack installation, cabling, patching, device provisioning, and structured cabling standards (CAT6, Fiber SM/MM). - Configured VLAN segmentation, DHCP services, VTP domains, and Spanning Tree optimization across 500+ network nodes, improving segmentation security and Layer 2 stability by 40%.
- Designed and implemented enterprise-grade wired and wireless network infrastructures for 70+ projects, developing topology diagrams and implementation plans using Microsoft Visio and Edraw.
- Deployed, configured, and optimized multi-vendor network devices (Cisco, Huawei, HP, Dell, 3Com, TP-Link) for access, distribution, and core layers.
- Tuned and optimized dynamic routing protocols (RIP, EIGRP, OSPF) to enhance route convergence and reduce latency by over 30%.
- Supported data center operations including rack installation, cabling, patching, device provisioning, and structured cabling standards (CAT6, Fiber SM/MM).
- Configured VLAN segmentation, DHCP services, VTP domains, and Spanning Tree optimization across 500+ network nodes, improving segmentation security and Layer 2 stability by 40%.
- Administered network infrastructure for 5 training labs serving 500+ users with 99% uptime. - Delivered training courses (ICDL, MCSE, CompTIA A+/N+), improving student performance by 35%. - Upgraded server architecture for 70 computers, enhancing exam system reliability.
- Administered network infrastructure for 5 training labs serving 500+ users with 99% uptime.
- Delivered training courses (ICDL, MCSE, CompTIA A+/N+), improving student performance by 35%.
- Upgraded server architecture for 70 computers, enhancing exam system reliability.