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El Delta Electronic Systems Logo El Delta Electronic Systems · IT - Administration

Senior System Admin

Egypt, Nasr City · Job Posted March 05, 2026
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Job Responsibility

  • Windows Server Administration: Install, configure, and maintain Windows Server operating systems
  • Manage server roles and features, including IIS, DNS, and file services
  • Troubleshoot Windows Server related issues
  • Perform system upgrades, patching, and security updates
  • Active Directory Services: Implement and maintain Active Directory user accounts, groups, and organizational units
  • Manage user access rights and permissions
  • Troubleshoot Active Directory related issues, including logon problems, authentication errors, and replication issues
  • Analyze systems performance, identify and resolve performance bottlenecks
  • Tune SQL queries for optimal performance
  • Implement indexing strategies to improve query performance
  • Exchange Server Administration & Management: Install, configure, and maintain Exchange Server environments, including on-premises and hybrid deployments
  • Manage Exchange Server services, including mail flow, calendaring, and collaboration features
  • Implement and maintain high availability and disaster recovery solutions for Exchange Server
  • Monitor Exchange Server performance and troubleshoot issues related to mail flow, connectivity, and user experience
  • Plan and execute Exchange Server upgrades and migrations
  • Troubleshooting & Support: Diagnose and resolve complex issues related to Exchange Server, Windows Server, and Active Directory
  • Provide technical support to end-users and other IT teams
  • Documentation & Compliance: Maintain comprehensive documentation of Exchange Server configurations, procedures, and troubleshooting steps
  • Generate reports on Exchange Server performance, usage, and security

Requirements

  • Bachelor's degree in Computer Science, Information Technology, or a related field
  • Relevant certifications such as Microsoft 365 Certified: Messaging Administrator Associate, Teams Administrator Associate and Enterprise Administrator expert are highly preferred
  • 3+ years of hands-on experience administering Microsoft Exchange Server environments
  • 3+ years of experience with Windows Server administration
  • 3+ years of experience with Active Directory implementation and management
  • Strong understanding of Exchange Server architecture and protocols (SMTP, IMAP, POP3)
  • Experience with Exchange Server high availability solutions
  • Experience with scripting languages (PowerShell) for automating Exchange Server tasks
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