A senior systems administrator maintains enterprise Microsoft and VMware infrastructure in Doha: Windows Server, Active Directory, Exchange Online, Microsoft 365, SCCM, vSphere/vRealize/SRM/HCX/NSX, and Infoblox DNS, using PowerShell to automate routine tasks and keep systems reliable.
Administer and maintain Microsoft Windows Server environments, including Active Directory (AD), DNS, Exchange Online, Microsoft 365, and SCCM.
Manage and support VMware infrastructure, including vSphere, vRealize, SRM, HCX, and NSX technologies.
Configure, monitor, troubleshoot, and maintain Infoblox DNS and related infrastructure services.
Develop and maintain PowerShell scripts and automation solutions to improve system administration, operational efficiency, and routine infrastructure tasks.
Monitor system performance, troubleshoot infrastructure issues, maintain availability, and support the overall reliability of Microsoft and VMware environments.
Requirements
Bachelor’s degree in Computer Science, Information Technology, or a related field.
Minimum 10 years of relevant experience in systems administration and enterprise IT infrastructure.
Strong hands-on experience with Microsoft Windows, Active Directory, DNS, Exchange Online, Microsoft 365, SCCM, and PowerShell.
Strong experience with VMware technologies, including vSphere, vRealize, SRM, HCX, and NSX.
Experience administering and supporting Infoblox DNS solutions.
Strong knowledge of scripting and automation, particularly using PowerShell.
Relevant certifications from major technology vendors, including Microsoft, VMware, and ITIL, are required/preferred.