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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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