Infrastructure Specialist

About the Role

We are seeking a highly skilled Senior Microsoft Systems Administrator to join our dynamic IT team. In this role, you will be responsible for managing and optimizing our Microsoft ecosystem, ensuring the stability, security, and efficiency of our NMS-OSS (Network Management System - Operations Support Systems) infrastructure. You will play a key role in maintaining our server, cloud, and endpoint environments while driving improvements and providing expert-level support.

Location:

Mode of Work:

Key Responsibilities:

• Provide specialist systems administration expertise across the Microsoft ecosystem, including AAD, Domain Admin, SharePoint, MDM, Security Controls, Azure IaaS, M365, and endpoint OS.
• Hands-on operations for NMS-OSS systems, including server management, cloud infrastructure, and Microsoft spend optimization.
• Maintain and upgrade NMS-OSS, servers, and cloud infrastructure, ensuring high availability and performance.
• Oversee major projects, including system updates, migrations, and outages, ensuring minimal disruption.
• Provide senior management with performance reports and actionable insights for continuous improvement.
• End-user support for escalated NMS-OSS issues from the Corporate IT helpdesk.
• Conduct regular patching, health checks, and security hardening of all NMS systems.
• Develop and document new processes to streamline IT operations and enhance efficiency.

Qualifications & Experience:

• Strong background in IT team leadership or IT management, with experience managing small teams in a fast-paced environment.
• Expert-level administration in:
• Microsoft ecosystem (AAD, Azure, M365, SharePoint, Intune, MDM, Copilot, etc.)
• Virtualization (Microsoft, VMware, Infrastructure as Code – a plus)
• Cybersecurity controls (IAM, PAM, EDR, SIEM, Cisco Security Suite)
• Experience working in a multi-country, multi-function environment.
• Familiarity with ticketing systems (ServiceDesk Plus, ServiceNow, etc.).
• Strong communication and relationship-building skills, with a customer-focused approach