Job Title: Senior System Administrator – Microsoft Dynamics 365 & InfrastructureDepartment: IT Operations / Business Applications Reports To: IT Manager / ERP Program Manager Location: Cairo, Egypt Work Type: Hybrid / Remote Travel: Up to 10% to Head OfficeRole SummaryWe are seeking a highly skilled Senior System Administrator to manage, secure, and optimize the infrastructure supporting Microsoft Dynamics 365 Finance & Operations and other enterprise systems. The ideal candidate will ensure high availability, strong security posture, smooth performance, and operational excellence across on-premise and Azure cloud environments.Key Responsibilities1. System Management & MaintenanceInstall, configure, and maintain D365 F&O environments and supporting infrastructure.Manage Windows Server, Active Directory, SQL Server, and Azure resources.Monitor system performance and proactively resolve issues to ensure uptime.2. Security & ComplianceImplement and maintain security policies, firewalls, and access controls.Conduct regular security audits, risk assessments, and vulnerability checks.Ensure compliance with internal and industry IT standards.3. Backup & Disaster RecoveryDesign, implement, and test backup and DR strategies.Configure and manage Azure Backup and Azure Site Recovery (ASR) solutions.4. User & Role ManagementManage users, groups, permissions, and authentication mechanisms.Provide technical support, troubleshooting, and training for end-users.5. Documentation & ReportingMaintain comprehensive documentation for configurations and processes.Prepare system performance, utilization, and incident reports.6. Collaboration & LeadershipWork with cross-functional teams to support IT initiatives and projects.Mentor junior administrators and provide technical guidance when required.7. Workflows & HandheldsMaintain D365 workflows and ensure smooth operational processes.Manage Handheld Terminal permissions and related configurations.Minimum QualificationsEducationBachelor’s degree in Computer Science, IT, or a related field.Experience5–7+ years of experience in System Administration / Infrastructure Management.Hands-on experience with Microsoft Dynamics 365 F&O, Azure services, and virtualization (VMware/Hyper-V).Technical SkillsWindows Server, Active Directory, Group Policy.Microsoft SQL Server administration.PowerShell scripting for automation.Networking: TCP/IP, DNS, DHCP.Experience with backup & DR tools (Azure Backup, ASR).CertificationsMicrosoft Certified: Azure Administrator Associate (preferred).Microsoft Certified: Dynamics 365 Fundamentals (ERP/CRM).Soft SkillsStrong problem-solving and analytical mindset.Excellent communication and documentation abilities.Ability to work in a hybrid/remote environment.Preferred QualificationsExperience with Azure DevOps and Lifecycle Services (LCS).Knowledge of compliance frameworks and best security practices.Exposure to hybrid cloud and large enterprise system deployments.