Senior Microsoft 365 Engineer - Enterprise Collaboration

Trillium Staffing

Richmond (VA)

On-site

USD 61,000 - 87,000

Full time

4 days ago

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Job summary

Trillium Staffing seeks an experienced Senior Microsoft 365 Engineer to support and enhance enterprise collaboration platforms. This contingent role administers, secures, and optimizes Microsoft 365 services to ensure reliability, efficiency, and alignment with organizational requirements.

Pay rate is $54/hour. Reporting to the Manager of the Systems and Operations Management team, the selected candidate will work with technical staff to design, implement, and maintain 365 solutions that support

Qualifications

5+ years of hands-on experience administering Microsoft 365 environments.
Bachelor’s degree in computer science, Information Technology, or a closely related field; equivalent technical certification accepted.
Strong proficiency across core M365 workloads: Exchange Online, SharePoint Online, OneDrive, Teams, and Intune.
Solid understanding of Microsoft Entra ID, including hybrid identity, Entra Connect sync, and identity lifecycle management.
Experience creating and maintaining PowerShell automation for M365 administration.
Familiarity with Microsoft security and compliance features (DLP, retention, conditional access, MFA).
Ability to troubleshoot complex identity, authentication, and service integration issues.
Experience interpreting and applying Microsoft 365 best practices, governance models, and tenant-level configuration standards.

Responsibilities

Administer and optimize all services included in the Microsoft 365 G3 license (Exchange Online, SharePoint Online, OneDrive, Teams, Intune, and associated security/compliance features).
Configure, manage, and troubleshoot Microsoft Entra ID, including Entra Connect sync and identity governance components.
Maintain M365 security baselines, conditional access policies, MFA, and compliance configurations.
Implement and support endpoint management using Intune, including device compliance, app deployment, and configuration profiles.
Develop and maintain PowerShell scripts to automate administrative tasks, reporting, and environment maintenance.
Manage Exchange Online mail flow, policies, and advanced configuration scenarios.
Administer Teams architecture, lifecycle governance, channel policies, and voice/phone integrations.
Oversee SharePoint Online site configuration, permissions, storage governance, and content lifecycle.
Monitor service health, analyze trends, and proactively address performance or reliability issues.
Provide tier-3 escalation support for Microsoft 365–related issues and mentor junior team members.
Maintain documentation for processes, designs, configurations, and change management.