Ali M. Swaidan
System & Network Administrator | Network & Security Engineer | Cisco CCNP / CCIE | VMware VCP | Fortinet NSE 4–7 | IT Infrastructure & Cybersecurity Specialist | WAN/LAN & VPN Architect.
Salaire / Taux journalier
Kinshasa, République démocratique du Congo
Mobilité : Paris
Freelance
Peut venir sur site
Expertises
Langues
À propos
Introduction
Senior System & Network Administrator and Network & Security Engineer with over 10 years of hands-on experience designing, deploying, and operating secure, scalable, and high-availability enterprise infrastructures across multinational and multi-site environments. Expert in WAN/LAN architecture design, dynamic routing (OSPF, BGP, EIGRP), firewall security (FortiGate & Cisco ASA), and VPN solutions (IPsec, SSL). Proven ability to deliver resilient networks with 99.9% uptime, reduce latency and downtime, and align technical solutions with business continuity and operational growth. Strong background in network security hardening, segmentation, QoS optimization, and data center virtualization (VMware vSphere, Hyper-V). Experienced in leading infrastructure projects across Africa and the Middle East, producing LLD/HLD documentation, mentoring technical teams, and translating complex technical challenges into measurable business outcomes. Currently seeking senior roles in System Administration, Network Engineering, or Network & Security Engineering within enterprise or service-provider environments.
Expérience de travail
Global Network Engineer – SCT Technologies Multinational Enterprise
févr. 2017 - Présent
9 ans 9 mois
Kinshasa, République démocratique du Congo
Data Center Engineer
janv. 2026 - Présent
10 mois
Kinshasa, République démocratique du Congo
Managed and maintained data center infrastructure, including servers, storage systems, and networking equipment, ensuring 24/7 service availability. Implemented performance monitoring, backup strategies, and disaster recovery (DR/BCP) plans to minimize downtime and data loss. Optimized energy efficiency and cooling systems by applying best practices and monitoring resource utilization. Supported deployment of new servers and applications, collaborating with network and security teams to ensure compliance and system security.
Network Specialist & Access Control
avr. 2021 - déc. 2025
4 ans 9 mois
Monrovia, Libéria
Deployed full network infrastructures including routing, Layer 3 switching, firewalls, and VoIP systems. Implemented DHCP, DNS, NAT, and secure routing policies for multi-site operations. Integrated IDS/IPS solutions and hardened WAN links against tunneling and intrusion threats. Designed secure CCTV and access control networks with centralized monitoring. Delivered technical training and produced operational manuals for local IT teams.
Network Operations Engineer
avr. 2019 - mars 2021
2 ans
Bangui, République centrafricaine
Designed enterprise WAN/LAN and implemented routing protocols (OSPF/BGP/EIGRP) across multi-branch networks. Configured and secured Fortinet and Cisco ASA firewalls, including VPN, NAT rules, segmentation, and traffic filters. Delivered 99.9% uptime via redundancy, failover, and proactive network monitoring. Built end‑to‑end VLAN architectures for data, voice, CCTV, and access control. Optimized network performance using QoS, NetFlow analysis, and bandwidth policies. Produced LLD/HLD, diagrams, SOPs, and trained engineers on troubleshooting frameworks.
Network Infrastructure Manager
févr. 2017 - mars 2019
2 ans 2 mois
Conakry, Guinée
Led infrastructure and network operations across remote branches. Built scalable hybrid infrastructures using Cisco, MikroTik, Windows Server, and Linux. Managed backup strategies and DR/BCP frameworks, improving service continuity and recovery readiness.
Network Support Technician
Al Janoub Store
févr. 2015 - janv. 2017
2 ans
Tyr, Liban
Supported and maintained LAN/WAN networks to ensure reliable day-to-day operations. Managed basic Active Directory tasks including user accounts and access permissions. Resolved DHCP, DNS, routing, switching, and connectivity issues for internal users. Provided technical support and documented common issues to improve service stability.
Junior Network Technician
Skynet ISP
juin 2014 - mai 2015
1 an
Tyr, Liban
Assisted in ISP network operations including routing, aggregation switching support. Monitored network performance and handled basic TCP/IP troubleshooting. Supported customer connectivity issues under supervision of senior engineers. Performed routine network checks and updated technical documentation.
Formation
Lebanese International University
Master's degree, Computer Systems Networking and Telecommunications
2021 - 2023
2 ans 8 mois
Lebanese International University
Bachelor's degree, Telecommunications Engineering
2018 - 2021
2 ans 6 mois