Infrastructure Specialist

1 week ago

Muscat, Muscat, Oman OHI Group - Technology Full time

We are seeking an experienced Infrastructure Specialist to manage and support our on-premises and cloud-based IT infrastructure. The ideal candidate will have deep hands-on experience in Windows Server environments, Active Directory, Azure, virtualization platforms, SCCM, SCOM, and backup solutions. The role requires strong troubleshooting skills, scripting abilities, and familiarity with identity and access management in hybrid environments.

Key Responsibilities:

  • Administer and maintain Windows Server environments (2003–2019), including Domain Controllers and Windows Server roles.
  • Manage core services: Active Directory, DNS, DHCP, Group Policy, FSMO roles, and OU management.
  • Perform user, computer, and group migrations between domain forests using tools like Quest Migration Tool.
  • Troubleshoot replication, DNS, DHCP, and time synchronization issues. Perform metadata cleanup and promote/demote DCs as needed.
  • Configure and manage DFS, file servers, and perform restores using AD Recycle Bin.
  • Implement and maintain Active Directory Federation Services (ADFS) for Office 365 Single Sign-On.
  • Write PowerShell scripts to automate user, computer, and group management tasks.
  • Provision and manage virtual machines on Azure, VMware, Hyper-V, and AWS EC2.
  • Configure and support Azure AD, Azure AD Connect, and Intune for device and identity management.
  • Administer SCCM for software deployment, patch management, and reporting.
  • Use SCOM to monitor Windows and Linux servers for availability and performance.
  • Ensure robust backup operations using Symantec, VERITAS, and NetBackup solutions.
  • Support and troubleshoot hybrid Azure AD-joined devices, compliance policies, and endpoint configurations.
  • Manage Microsoft Exchange Online, including transport rules and email security for multi-domain environments.
  • Implement identity protection measures such as MFA, risk detection policies, and Azure password policies.
  • Configure and manage Windows Autopilot, Thin Clients, and AVD/AWS Workspaces for end-user computing environments.

Skills

Required Skills & Experience:

  • Minimum of 5–8 years of hands-on experience in IT infrastructure roles.
  • Strong experience with Windows Server administration and Active Directory.
  • Practical knowledge of Azure IaaS/PaaS, SCCM, SCOM, and virtualization technologies.
  • Demonstrated experience with identity and access management, including Azure AD and MFA.
  • Proficiency in PowerShell scripting and automation.
  • Good understanding of Exchange Online, security best practices, and hybrid environments.
  • Familiarity with endpoint management using Intune, compliance policies, and Autopilot deployment.

Preferred Qualifications:

  • Microsoft certifications (e.g., Azure Administrator Associate, MCSA, MCSE).
  • Experience working in enterprise or multi-tenant environments.
  • Knowledge of Zero Trust security models, AVD, and cloud desktop environments.
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