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System Administrator

Riyadh, Saudi Arabia

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About Secure Tech

Secure Tech is a system integration company in Riyadh, Saudi Arabia, specializing in security systems and technical solutions. Our commitment is to provide the best service and equipment in the technological and security fields, adhering to international standards. Our team of qualified professionals strives for development and improvement for a better future in Saudi Arabia. 

Job Summary

Owns day-to-day operation and health of the virtualization and server layer that every other system in the environment runs on — including the servers hosting GuruCul SIEM, Active Directory, and the ~250 servers covered under the CrowdStrike EDR estate.

Responsibilities

  • –    Administer VMware vSphere/vCenter clusters host health, resource pools, vMotion, snapshots, and capacity planning.
  • –    Administer Nutanix HCI clusters via Prism, node health, storage pools, replication factor, and firmware upgrades, Nutanix DR.
  • –    Manage Windows Server infrastructure, Active Directory, DNS, DHCP, Group Policy, Beyond Trust PAM authentication, and endpoint DNS forwarding to Infoblox BloxOne.
  • –    Manage Linux server administration for supporting application and infrastructure hosts.
  • –    Maintain High Availability across vSphere HA, Nutanix HA, and Windows Failover Clustering including scheduled failover testing and documentation.
  • –    Coordinate server-level patching with the Vulnerability Assessment Engineer and apply patches within agreed maintenance windows.
  • –    Support Commvault backup jobs at the OS/hypervisor level (snapshot consistency, agent health) and assist with restore testing.
  • –    Provision and decommission servers/VMs in line with Beyond Trust PAM access provisioning for new admins.

Must Have

  • –    VMware vSphere / vCenter administration (VCP-DCV or equivalent hands-on experience).
  • –    Nutanix AHV / Prism Central administration (NCP-MCI ).
  • –    Windows Server administration Active Directory, DNS, DHCP, GPO (MCSA/Windows Server track or equivalent).
  • –    Linux administration (Ubuntu, SUSE), shell scripting, system, storage/LVM.
  • –    Clustering & High Availability design and failover validation.
  • –    Working knowledge of AD-integrated MFA (Cisco Duo) and PAM-gated server access (Beyond Trust).



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