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Senior Systems Administrator
Nestoil
onsite
Lagos, Nigeria Posted Aug 28, 2026
About this role
Senior Systems Administrator
Job Summary & Purpose
- The Senior Systems Administrator will be responsible for resolving escalated service issues, coaching other administrators to resolve, engineering and implementing complex projects, and maintaining and overseeing data center infrastructure.
- This role is a key position within ICT operations and will be called upon to resolve higher levels of technical issues on Microsoft and other data center technologies, including end-user computer environment protection.
Responsibilities
- Management of Microsoft M365 including all communication and collaboration services offered under it, including Teams, Exchange E-mail, SharePoint, etc.
- Device management and enrollment.
- Device compliance and configuration.
- Conditional Access.
- Mobile Application Management.
- DLP policies.
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