Security Specialist: Active Directory Platform Support

Job Description

We are actively searching for a talented and experience Security Specialist: Active Directory Platform Support. This role is performed by technical professionals who specialize in providing services to clients on infrastructure & software components. Activities include operation and maintenance of Microsoft Active Directory and Azure Active Directory, including troubleshooting, applying patches/version upgrades, and managing high availability solutions and load balancing.


  • Check DNS zones and remove obsolete ones. Clean-up and removal of stale zones and resource records is required to prevent accumulation of zone data, and to improve responsiveness
  • Check name servers and remove Windows Internet Name service (WINS) dependencies
  • Check DNS for dormant static records and configure DNS scavenging, which removes stale and orphaned DNS records from the database
  • Clear the DNS cache at regular intervals
  • Check DHCP logs for failed leases or depletion of IP pools
  • Monitor the availability of Domain Controllers
  • Check AD replication health – verify if all Domain Controllers (DCs) are communicating with the central monitoring console and examine all replication alerts on DCs
  • Verify that all DCs run on same Service pack and hot fix patches
  • Review trust relationships in the forest and remove broken trusts
  • heck backups, and validate the procedures to restore system data upon failure. Backup Group Policy Objects (GPOs)
  • Engage other resolver teams (OS / Network etc) as required, in case of issue with the underlying infrastructure
  • Maintain Azure AD Connect Service
  • Triage Azure AD Connect Health Alerts for Sync and ADFS
  • Monitor Hybrid Logs:
  • Azure AD App Proxy Connectors
  • Azure AD Passthrough Authentication Agents
  • Azure AD Password Writeback Service
  • Troubleshoot self-service password reset service in Azure Active Directory
  • Support other application teams on Active Directory Integration activities – authentication methods including MFA”


  • Diploma/BTech/Degree in computer science, software engineering, or a related qualification
  • 1 to 8 years of experience

If you meet the above requirement please email your CV to

Job Category: IT
Job Type: Contract/Permanent
Job Location: Johannesburg

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