Note: The job is a remote job and is open to candidates in USA. iSpace, Inc. is seeking a Tier 3 Microsoft 365 Administrator to support and engineer its Microsoft 365 environment. The role provides advanced escalation support, optimizes M365 services, implements security and compliance controls, develops automation, and mentors support staff.
Responsibilities
- Administer and optimize Microsoft 365 services, with deep hands-on ownership of: SharePoint Admin Center (Online sites, permissions, governance, storage, sharing); Exchange Admin Center (Online mailboxes, transport rules, retention, hybrid configurations); Teams Admin Center (Policies, voice, meetings, apps, and integrations)
- Design, implement, and maintain M365 configurations aligned with organizational standards and best practices
- Manage tenant-wide settings, service health, licensing, and capacity planning
- Act as the highest-level escalation point for complex M365 incidents and service degradation
- Perform root cause analysis (RCA) and implement long-term corrective actions
- Engage Microsoft Premier/Unified Support as needed and manage cases to resolution
- Partner with security teams to implement and maintain: Conditional Access policies; Data Loss Prevention (DLP); Retention and eDiscovery policies
- Ensure compliance with organizational and regulatory requirements
- Support audits and security reviews related to M365 services
- Develop and maintain automation using PowerShell, Microsoft Graph, and M365 APIs
- Improve operational efficiency through scripting, standardization, and self-service tooling
- Evaluate and deploy new M365 features and capabilities
- Mentor Tier 1 and Tier 2 support staff
- Create and maintain technical documentation, runbooks, and standards
- Provide architectural input for M365-related projects and migrations
Skills
- • 5+ years of experience administering Microsoft 365 in an enterprise environment
- • Expert-level experience with: o SharePoint Online and SharePoint Admin Center o Exchange Online and Exchange Admin Center o Microsoft Teams and Teams Admin Center
- • Strong PowerShell scripting skills for M365 administration
- • Solid understanding of Azure AD / Entra ID (identity, authentication, and access management)
- • Experience troubleshooting hybrid environments (on-prem AD, Exchange hybrid)
- • Strong analytical, documentation, and communication skills
- • Microsoft certifications (e.g., MS-102, Exchange, Teams, or Security certifications)
- • Experience with Microsoft Purview, Defender for Office 365, and Intune
- • Familiarity with large-scale migrations to M365
- • Experience in regulated or highly secure environments
Benefits
- W2 employment only
- Remote option if not local
Company Overview
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