Senior Systems administrator

 The Senior Systems administrator role is to ensure the stability, integrity, and efficient operation of the in-house information systems that support core organizational functions. This is achieved by monitoring, maintaining, supporting, and optimizing all administration products and associated operating systems and physical servers. The Senior Systems administrator will apply proven communication, analytical, and problem-solving skills to help identify, communicate, and resolve issues to maximize the benefit of IT systems investments. This individual will also mentor and provide guidance to the technical support staff. 

Responsibilities 

• operating systems.

Administration, troubleshooting, monitoring, and deployment all aspects of.

• Windows Server 2016
• Windows Server 2019
• Windows Server 2022

Microsoft Products Administration,

 Troubleshooting, monitoring, and deployment. The below

• MS (Active Directory – DNS – DHCP)
• MS (Exchange)
• MS (SCCM)
• MS (Certificate server)
• MS (ADFS server)
• MS (AD-Connect server)
• MS (File Server – DFS)
• MS (KMS)

Cloud Products 

Administration, troubleshooting, monitoring, and deployment. The below

• MS Office 365 products (Exchange online – Security – Compliance – Teams – OneDrive – SharePoint – Intune – Endpoint protection).
• MS Azure (Entra ID – Security – IAAS – Storage – Networking - Backup).
• Dynamics 365.

Virtualization Environment 

Administration, troubleshooting, monitoring, and deployment. The below 

• MS (Hyper-V)
• ESXI
• V-Center

Backup Environment 

Administration, troubleshooting, monitoring, and deployment. The below 

• Dell 
• Veeam
• DPM
• Azur

Documentation as a below

• Technical documentation
• End User Documentation
• How to Documentation
• Layout Documentation
• Escalated support issues to Vendors.
• Participate in the administration and maintenance of the remote monitoring and management system: update agent, scripts, respond to alerts, monitor dashboard, and periodic system review.
• Document maintenance for all system infrastructure.
• Communication with clients as required: keeping them informed of incident progress, notifying them of impending changes or agreed outages.
• Consistently provide 2nd and 3rd level support.

Communication as a liaison with vendors and other IT personnel to resolve issues