Senior Systems Administrator

About the role

Join a large enterprise IT team as a Senior Systems Administrator, responsible for designing, deploying and maintaining a Microsoft‑centric infrastructure. You will work on building enterprise environments from the ground up, managing hybrid cloud services and automating operational processes.

Key responsibilities

• Design and deploy enterprise IT infrastructures from scratch.
• Manage Azure, Microsoft 365, Active Directory, Exchange, Intune, Entra and Windows Server environments.
• Develop automation scripts to streamline infrastructure operations.
• Perform system integration and support complex server environments.
• Troubleshoot and maintain enterprise Microsoft infrastructure.

Required profile

• 5+ years of experience in a similar role within a large enterprise (500+ servers, 1,000+ users).
• Hands‑on experience with Azure, Microsoft 365 and Intune.
• Strong understanding of information security principles and related technologies.
• Experience migrating Exchange on‑premises to Exchange Online.
• Excellent teamwork, communication and customer‑service skills.

Required skills

• Azure
• Microsoft 365
• Intune
• Active Directory
• Exchange (on‑prem and Online)
• Entra
• Windows Server
• Infrastructure automation scripting (e.g., PowerShell)