System & Network Administrator

H. M. Al Rugaib & Sons Trading Co. - شركة حمد محمد الرقيب و أولاده التجارية


Date: 9 hours ago
City: Al Khobar
Contract type: Full time
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 ID, 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 FortiGate and FortiWeb 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.

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