System & Network Administrator

Key Responsibilities

• Managed and maintained enterprise network infrastructure, including LAN, WAN, SD‑WAN, MPLS, VLANs, and firewall environments across multiple locations.
• Administered Microsoft Azure cloud services, including Virtual Machines, Microsoft Entra , Conditional Access policies, Azure Backup, Azure Bastion, Log Analytics, and overall cloud security.
• Managed Veeam Backup & Replication solutions for on‑premises servers, ensuring data protection, disaster recovery, and business continuity.
• Administered private cloud infrastructure, including Windows Server, Linux Server, and virtualization platforms (Hypervisors).
• Configured and maintained Forti Gate and Forti Web solutions for network security, web application protection, VPNs, traffic management, and threat prevention.
• Managed Sophos Firewall features, including SD‑WAN, Load Balancing, Web Protection, VPNs, and advanced security policies.
• Maintained Cisco core switching infrastructure, VLAN configurations, routing, and enterprise network connectivity.
• Administered Active Directory across 20+ sites supporting over 300 users and devices, including user management, Group Policy administration, access control, and software deployment.
• Managed Google Workspace administration, including user provisioning, email services, security policies, and compliance with industry best practices.
• Implemented email security controls, including spam filtering, phishing protection, and secure email policies.
• Conducted cybersecurity awareness training and phishing simulation campaigns to improve organizational security posture.
• Ensured IT infrastructure compliance with Saudi Aramco Cybersecurity Compliance Certificate (CCC) requirements.
• Managed DNS services to ensure reliable name resolution and optimal network performance.
• Administered on‑premises Microsoft SQL Server databases, including backup strategies, performance monitoring, and security management.
• Managed Avaya PBX systems to ensure reliable internal and external voice communications across multiple branches.
• Deployed, configured, and maintained Ubiquiti wireless access points across multiple retail locations, ensuring secure and reliable Wi‑Fi connectivity.
• Managed surveillance (CCTV) systems across retail branches, ensuring continuous monitoring and system availability.
• Coordinated internet connectivity installations with service providers and resolved connectivity issues to minimize operational downtime.
• Managed the organization's IT asset lifecycle, including procurement, inventory tracking, asset allocation, maintenance, warranty management, software licensing, and secure disposal to ensure accountability and compliance.
• Troubleshot and resolved Azure, server, firewall, networking, and infrastructure issues to maintain high availability and business continuity.
• Administered Microsoft Dynamics 365 security by designing and implementing custom security roles that minimized licensing costs while enforcing the principle of least privilege.