L3 System Administrator

Company Description

Role Description

• This is a full-time, on-site role based in Riyadh for a Level 3 (L3) System Administrator.
• The L3 System Administrator will be responsible for managing and maintaining IT infrastructure, performing advanced troubleshooting, providing technical support, and administering network operations.
• The individual will ensure IT systems are optimized, secure, and compliant with organizational standards to meet business needs effectively.
• Collaboration with cross-functional teams to address system issues and implement solutions is an integral part of this role.
• Design, install, configure, implement, and maintain Windows servers across multiple sites.
• Design, install, configure, implement, and maintain Azure Virtual Desktop AVD cloud service
• Managing Microsoft Exchange on-premises, M365 and MS Intune.
• Understanding backups, recovery, and system upgrades.
• Working on windows server 2016 to 2022 roles and features.
• Understanding RDS CAL service.
• Administration of VMware ESXI infrastructure, including setting up, configuring, and troubleshooting.
• Manage Azure cloud resources and services, ensuring cost-effectiveness, security, and scalability.
• Implement and manage Azure Virtual Desktop and Horizon VDI Components.
• Working knowledge of Hyperconverged infrastructure “HCI” like Nutanix, VxRail, Azure Stack ...etc.
• Manage and maintain the Active Directory Domain Controller, including users, groups, OUs, and permissions.
• Manage and maintain all windows server services like DNS, DHCP, WSUS, FTP, SFTP, WDS.
• Design, implement, and troubleshoot Group Policies to enforce company security and operational standards.
• Handle tasks using tools like AD Manager, AD Audit, AD Sync ...etc.
• Should be able to perform AD and all related services health check.
• Understand, Implement and manage the Certificate Authority infrastructure.
• Maintain and administer MFA (Multi-Factor Authentication) to bolster system and data security.
• Must have general understanding about networking core concepts and must be able to actively participate in general issues.
• Regularly monitor system logs and alerts to maintain system health and security.
• Maintain availability of PAM (Privileged Access Management) and understanding of its core components.
• Working on vulnerability remediation for windows sever OS, services, Nutanix, VMware... etc.
• Who you are:
• 10+ Years prior experience in an IT support position.
• Strong working knowledge of PowerShell scripting or any automation tools and scripts
• Understanding core concepts of cloud services like O365, MS teams, Azure AD, SharePoint
• Excellent knowledge of server administration, Patch Management & OS specific debugging tool
• Good understanding of monitoring systems like PRTG, SCOM, SolarWinds.
• Provide technical hands-on support at a L3 level for incident and request management including resolution of escalated incidents, problems or changes from L1 support.
• Responsible for Problem management and root cause analysis for repeated incidents or outages.
• Ability to work and collaborate in a team environment.
• Good understanding of ITIL processes and tools like ServiceNow, BMC remedy, SCSM, ManageEngine …etc.
• Responsible to provide support on-call, out of office hours including emergencies and routine maintenance windows.
• Provide technical support, guidance, and expertise to junior staff members.
• Collaborate with other departments and vendors for system integration and upgrades.
• Document procedures, configurations, and instructional guides for the team.