Senior Microsoft 365 Engineer

Trillium Staffing; Richmond (VA); On-site; USD 61,000 - 87,000; Full time

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.

Skills

M365 administration

PowerShell scripting

Exchange Online

SharePoint Online

Teams admin

Intune management

Entra ID

Hybrid identity

Education

Bachelor’s degree in CS/IT or related field

Equivalent technical certification

Tools

PowerShell

Graph API

Azure Automation

Job description

We are seeking an experienced Senior Microsoft 365 Engineer to support and enhance the enterprise collaboration and productivity platforms.

This contingent worker position will be responsible for administering, securing, and optimizing Microsoft 365 services to ensure reliability, efficiency, and alignment with organizational requirements. The selected candidate will report to the Manager of the Systems and Operations Management team and will work closely with technical staff to design,implement, and maintain Microsoft 365 solutions that support the organization. Pay rate is $54/hour.

In addition to other occasional tasks, the candidate’s key responsibilities will be the following:

• 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.

Minimum qualifications are the essential, non-negotiable requirements a candidate must meet to be considered for the position.

• 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.

Preferred qualifications are desirable but non-mandatory job skills, experience, and education that make an applicant an ideal candidate, helping them stand out among other applicants who meet the minimum qualifications.

• 12+ years of hands‑on experience in systems engineering and administration.
• 8+ years of hands‑on experience administering Microsoft 365 environments.
• Master’s degree in computer science, Information Technology, or a closely related field.
• Understanding of advanced Teams functionality, including Direct Routing, PSTN connectivity, and governancebest practices.
• Experience with advanced Intune scenarios, including Autopilot, configuration baselines, and mobile application management.
• Background designing scalable, secure M365 architectures in medium‑to‑large enterprises.
• Familiarity with automation frameworks beyond PowerShell (Graph API, Azure Automation, Logic Apps).
• Experience designing or implementing Zero Trust–aligned security controls, including Conditional Access strategies, identity protection, and privileged identity management.
• Microsoft Certified: Microsoft 365 Administrator Associate (or equivalent experience).
• Familiarity with Power Platform governance (Power Automate, Power Apps, DLP policies).
• Experience administering Linux and/or Windows servers.
• Demonstrated ability to lead projects and mentor junior team members.

Trillium has been recruiting and placing professionals for over 30 years. From Fortune 100 companies to small businesses, our philosophy remains the same: to achieve excellence by providing quality employees and an uncompromising level of service. We believe in honesty, integrity, and a simple philosophy of providing value to our customers and our employees. We strive to be unsurpassed in the recruitment and placement of quality and skilled professionals. Trillium is an Equal Opportunity Employer.