L Support Engineer (Microsoft Infrastructure & Messaging) SA📣 Job Ad

About the Role

DeepSource Technologies is seeking a Full-time L3 Support Engineer specializing in Microsoft Infrastructure & Messaging to join our team in Riyadh. This role involves providing advanced administration, support, and troubleshooting for enterprise Microsoft infrastructure, messaging, virtualization, endpoint management, and security platforms. The ideal candidate will have 0-1 years of experience and will be responsible for ensuring the high availability, security, performance, and compliance of enterprise infrastructure, collaborating closely with cross-functional IT and Cyber Security teams.

Core Responsibilities

• Provide L3 administration and support for Microsoft Exchange Server (Exchange 2019 SE) in hybrid environments with Microsoft 365, including mailbox management, DAG health, transport troubleshooting, and Enterprise Vault integration.
• Administer and maintain Windows Server infrastructure, Active Directory, DNS, DHCP, Group Policies (GPO), ADFS, and Entra Connect synchronization.
• Manage enterprise email security platforms such as Cisco IronPort Email Security Appliance (ESA), Trellix FireEye Email Security, and CodeTwo email signature solutions.
• Administer DDI solutions, including EfficientIP and Infoblox, for DNS, DHCP, and IP Address Management (IPAM).
• Plan, execute, validate, and document Disaster Recovery (DR) drills for critical infrastructure components to ensure business continuity.
• Manage virtualization infrastructure, including VMware vSphere, ESXi, VxRail, and Nutanix HCI, covering provisioning, migrations, performance tuning, and troubleshooting.
• Administer Microsoft Entra ID (Azure AD), Azure PIM, Conditional Access, RBAC, Enterprise Applications, App Registrations, and Single Sign-On (SSO).
• Manage Microsoft Intune (MDM/MAM) for device compliance, application deployment, and endpoint configuration.
• Administer Microsoft Defender security solutions and collaborate with Cyber Security teams on security initiatives and compliance.
• Manage Windows Server patching, application deployment, and endpoint lifecycle using tools like ManageEngine Endpoint Central and PDQ Deploy.
• Administer ManageEngine solutions, including ADManager Plus, AD360, Exchange Reporter Plus, and OpManager, for identity management, reporting, and monitoring.
• Perform Windows Server hardening using Microsoft security baselines and Group Policy best practices.
• Identify, analyze, prioritize, and remediate Windows infrastructure vulnerabilities based on Qualys reports and Microsoft security recommendations.
• Monitor server performance, capacity, availability, and operational health across the enterprise infrastructure.
• Support backup, recovery, and business continuity solutions in coordination with the Veeam Backup team.
• Administer enterprise security tools such as Trend Micro and McAfee endpoint security solutions.
• Develop automation scripts using PowerShell for routine administration, monitoring, and reporting tasks.
• Support data center operations, vendor coordination, infrastructure upgrades, migrations, and change management activities.
• Prepare technical documentation, standard operating procedures (SOPs), knowledge articles, and operational runbooks.
• Participate in major incident management, root cause analysis (RCA), problem management, and continuous service improvement initiatives.

Required Technical Expertise

• Microsoft Windows Infrastructure and Windows Server Administration
• Microsoft Exchange Server 2019 SE and Microsoft 365 Hybrid Exchange
• Active Directory Domain Services, Group Policy (GPO), DNS, DHCP, ADFS
• Microsoft Entra ID (Azure AD), Entra Connect, Azure PIM, Conditional Access, RBAC
• Enterprise Applications & App Registrations
• Messaging & Email Security (Cisco IronPort ESA, Trellix FireEye Email Security)
• Enterprise Vault for Exchange
• Endpoint & Patch Management (Microsoft Intune (MDM/MAM), Microsoft Defender, ManageEngine Endpoint Central)
• Virtualization & Infrastructure (VMware vSphere & Nutanix HCI)
• Server Provisioning & Lifecycle Management
• Identity & Management Tools (ManageEngine Tools)
• Security & Vulnerability Management, Windows Server Hardening & Microsoft Security Baselines
• Vulnerability Assessment & Remediation
• Disaster Recovery Planning & Testing
• Performance Tuning and Capacity Management
• Scripting and PowerShell Automation

Qualifications and Experience

Candidates should possess 0-1 years of experience in a relevant infrastructure support role. A strong understanding of the technical expertise listed above is essential for success in this position.

Work Environment and Collaboration

This Full-time role is based in Riyadh and requires close collaboration with cross-functional IT and Cyber Security teams. The successful candidate will contribute to maintaining a robust and secure enterprise infrastructure through proactive support and continuous improvement initiatives.

Application Process

Interested candidates are invited to apply for this position.