Senior System Engineer, MS 365
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Job Description
Microsoft 365 Tenant Administrator at Ralliant securing M365 operations and governing AI feature deployment. Collaborates with security and legal teams for compliance in a remote setting.
Responsibilities:
- Administer Microsoft 365 tenants, ensuring secure and stable operations
- Monitor service health, coordinate incident response, and produce RCA documentation
- Maintain tenant configuration baselines and ensure alignment across Commercial and GCCH environments where feasible
- Identify opportunities to improve automation, policy enforcement, and visibility using PowerShell, Microsoft Graph, and M365 reporting tools
- Support tenant-level deployment and configuration of Microsoft 365 AI capabilities
- Implement and manage AI governance controls including: Feature enablement/disablement, User and group-level access scoping, workspace and app-level permissions that impact AI data access
- Partner with Security, Privacy, and Legal teams to validate AI readiness of tenant configuration, ensure AI features comply with data handling, retention, and regulatory policies
- Track AI feature rollout status, limitations, and differences between Commercial and GCCH, and communicate impact to stakeholders
- Configure and maintain Conditional Access, MFA, authentication policies, and device-based access controls
- Enforce least privilege access using Entra ID RBAC, PIM)
- Manage admin role assignments and privileged workflows with auditability in mind
- Support audit requests and compliance assessments related to both collaboration data and AI usage
- Administer governance for Teams creation, external access, federation, and app permissions.
- Oversee third-party and first-party app governance, including, App approvals, blocked apps, and OAuth app consent
- Review and manage Teams apps, add-ins, and agents in alignment with AI governance standards
Requirements:
- 3–7 years’ experience administering Microsoft 365 in an enterprise environment
- Hands-on experience supporting Commercial and/or GCC High tenants (GCCH strongly preferred)
- Strong understanding of: Entra ID identity and access controls, Exchange, Teams, SharePoint, OneDrive administration, Microsoft Purview fundamentals
- Experience implementing or supporting Microsoft 365 Copilot or AI feature deployment at the tenant level
Benefits:
- Ralliant Corporation Overview
- We Are an Equal Opportunity Employer
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