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Assistant Microsoft 365 Administrator Jobs (NOW HIRING)

Acess Global

Microsoft 365 Administrator

Milford, MA · On-site

Microsoft 365 Administrator Location: Milford, Massachusetts Work Model: Onsite Contract Experience: 8+ Year Job Summary Overview We are seeking a highly skilled Microsoft 365 Administrator with ...

CIYIS

Microsoft 365 Administrator

Washington, DC · On-site

About the Role We are seeking a skilled and detail-oriented Microsoft 365 Administrator with proven experience in configuring and managing multiple Microsoft 365 tenants, specifically with Microsoft ...

CIYIS

Microsoft 365 Administrator

Washington, DC · On-site

About the Role We are seeking a skilled and detail-oriented Microsoft 365 Administrator with proven experience in configuring and managing multiple Microsoft 365 tenants, specifically with Microsoft ...

CIYIS

Microsoft 365 Administrator

Washington, DC · On-site

About the Role We are seeking a skilled and detail-oriented Microsoft 365 Administrator with proven experience in configuring and managing multiple Microsoft 365 tenants, specifically with Microsoft ...

1 point system

Microsoft 365 Administrator

Reston, VA · On-site

Skills: * Proficiency in Microsoft 365 admin centers and tools (Exchange, SharePoint, Teams, Entra ID). * Strong understanding of compliance frameworks and governance models. * Experience with ...

PrePass

Microsoft 365 Administrator

Phoenix, AZ

You will also administer our Microsoft 365 Copilot deployment - license allocation, adoption reporting, and the SharePoint permission hygiene that determines what Copilot can surface to end users.

Micron Technology

Microsoft 365 Administrator

Boise, ID · On-site

... assistants such as Anthropic's Claude - so that team members can realize the value of generative AI ... Responsibilities: * Administer, maintain, and optimize the enterprise Microsoft 365 tenant ...

PrePass

Microsoft 365 Administrator

Phoenix, AZ · On-site

You will also administer our Microsoft 365 Copilot deployment - license allocation, adoption reporting, and the SharePoint permission hygiene that determines what Copilot can surface to end users.

Micron

Microsoft 365 Administrator

Boise, ID · On-site

... assistants such as Anthropic's Claude - so that team members can realize the value of generative AI ... Administer,maintain, andoptimizethe enterprise Microsoft 365 tenant, including Copilot, Copilot ...

PrePass

Microsoft 365 Administrator

Phoenix, AZ · On-site

You will also administer our Microsoft 365 Copilot deployment -- license allocation, adoption reporting, and the SharePoint permission hygiene that determines what Copilot can surface to end users.

Addison Group

Microsoft 365 Administrator

Washington, DC · On-site

$40 - $50/hr

Job Title: Microsoft 365 Administrator Job Location: Washington, DC Target Pay Rate: $40-$50hr Primary Duties and Responsibilities: 1. Configure and maintain the D365 F&O and Commerce system ...

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Assistant Microsoft 365 Administrator information

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How much do assistant microsoft 365 administrator jobs pay per year?

As of Aug 3, 2026, the average yearly pay for assistant microsoft 365 administrator in the United States is $68,215.00, according to ZipRecruiter salary data. Most workers in this role earn between $45,000.00 and $80,500.00 per year, depending on experience, location, and employer.

What is the difference between Assistant Microsoft 365 Administrator vs Microsoft 365 Administrator?

AspectAssistant Microsoft 365 AdministratorMicrosoft 365 Administrator
CertificationsBasic Microsoft 365 certifications, such as Microsoft 365 FundamentalsAdvanced certifications like Microsoft 365 Certified: Enterprise Administrator Expert
Work EnvironmentSupport teams, entry-level roles, assisting with daily tasksManaging configurations, troubleshooting, and strategic planning
Employer & Industry UsageCommon in IT support and helpdesk roles across various industriesMore prevalent in organizations with dedicated IT departments

The Assistant Microsoft 365 Administrator typically handles support and basic management tasks, requiring foundational certifications. In contrast, the Microsoft 365 Administrator manages complex configurations and strategic implementations, often requiring advanced certifications and experience. Both roles are essential in organizations utilizing Microsoft 365, but they differ in scope and responsibility.

What are the key skills and qualifications needed to thrive as an Assistant Microsoft 365 Administrator?

To thrive as an Assistant Microsoft 365 Administrator, you need foundational knowledge of cloud-based IT systems, user account management, and Office 365 applications, often supported by a degree in information technology or related field. Familiarity with Microsoft 365 admin center, PowerShell scripting, and certifications such as Microsoft Certified: Modern Desktop Administrator Associate are typically used. Strong problem-solving abilities, attention to detail, and effective communication distinguish top performers in this role. These skills ensure reliable system administration, efficient user support, and secure collaboration within organizations.

What are some common challenges faced by an Assistant Microsoft 365 Administrator, and how can they be managed?

Assistant Microsoft 365 Administrators often encounter challenges such as managing user access permissions, staying updated with frequent platform changes, and troubleshooting issues across multiple Microsoft 365 services like Exchange, SharePoint, and Teams. To manage these challenges, it's helpful to regularly review user roles, utilize Microsoft’s official documentation, and participate in team discussions for knowledge sharing. Proactive communication with end-users and senior IT staff also helps in quickly resolving issues and ensuring smooth operations.

What does an Assistant Microsoft 365 Administrator do?

An Assistant Microsoft 365 Administrator supports the management and maintenance of Microsoft 365 services within an organization. Their duties typically include user account administration, troubleshooting access issues, assisting with email and collaboration tools, and helping to enforce security policies. They may also assist in onboarding new users, monitoring system health, and providing technical support to end users. This role works closely with senior administrators to ensure smooth operation and continuous improvement of Microsoft 365 environments.
What cities are hiring for Assistant Microsoft 365 Administrator jobs? Cities with the most Assistant Microsoft 365 Administrator job openings:
What are the most commonly searched types of Microsoft 365 Administrator jobs? The most popular types of Microsoft 365 Administrator jobs are:
What states have the most Assistant Microsoft 365 Administrator jobs? States with the most job openings for Assistant Microsoft 365 Administrator jobs include:
Assistant Microsoft 365 Administrator jobs near you
Infographic showing various Assistant Microsoft 365 Administrator job openings in the United States as of June 2026, with employment types broken down into 75% Full Time, 22% Part Time, 2% Temporary, and 1% Contract. Highlights an 94% Physical, 2% Hybrid, and 4% Remote job distribution, with an average salary of $68,215 per year, or $32.8 per hour.

Microsoft 365 Administrator

Acess Global

Milford, MA • On-site

Contractor

Re-posted 13 days ago

Job description

Position: Microsoft 365 Administrator
Location: Milford, Massachusetts 
Work Model: Onsite Contract
Experience: 8+ Year

Job Summary 

Overview

We are seeking a highly skilled Microsoft 365 Administrator with hands‑on experience supporting mergers and acquisitions (M&A). This role is responsible for the administration, security, and optimization of the Microsoft 365 platform, with a strong emphasis on tenant‑to‑tenant integrations, identity consolidation, data migrations, and post‑merger operational stabilization.

The ideal candidate has operated in complex, enterprise environments, understands the technical and organizational realities of M&A, and can partner closely with Infrastructure, Security, Legal, HR, and business stakeholders to deliver seamless integrations. 

Responsibilities

  • Microsoft 365 Platform Administration
  • Administer and support Microsoft 365 services including Entra ID (Azure AD), Exchange Online, SharePoint Online, OneDrive, Teams, Power Platform, and M365 security/compliance features
  • Manage tenant configuration, licensing, identity lifecycle, access controls, and service health monitoring
  • Implement and maintain security best practices, including Conditional Access, MFA, role‑based access control, and privileged identity management
  • Support automation and administration using PowerShell and Graph API
  • Mergers & Acquisitions (M&A) Integration
  • Lead and support M365 integration activities for mergers, acquisitions, and divestitures
  • Plan and execute tenant‑to‑tenant migrations, including:
  • Exchange Online mailboxes
  • OneDrive and SharePoint content
  • Teams and collaboration workloads
  • Design and implement identity consolidation strategies, including directory synchronization, account matching, and domain transitions
  • Partner with Security and Legal teams to ensure data governance, retention, and compliance requirements are met during integrations
  • Support Day‑0, Day‑1, and Day‑2 M&A readiness activities, including cutovers, coexistence, and post‑integration stabilization
  • Develop migration runbooks, rollback plans, and post‑merger operational documentation
  • Collaboration & Operational Excellence
  • Act as a technical escalation point for complex M365 issues
  • Collaborate with Infrastructure, Service Desk, Security, and Application teams
  • Participate in change management, incident response, and problem management processes
  • Create and maintain technical documentation, standards, and operational procedures
  • Provide guidance and mentoring to junior administrators and support teams

Qualifications

  • 5+ years of hands‑on Microsoft 365 administration experience in an enterprise environment
  • Demonstrated experience supporting M&A activities, including tenant integrations or divestitures
  • Strong expertise in:
  • Microsoft Entra ID (Azure AD)
  • Exchange Online
  • SharePoint Online / OneDrive
  • Microsoft Teams
  • Proficiency with PowerShell for automation and administration
  • Solid understanding of identity management, security, and compliance concepts
  • Experience working in hybrid identity environments
  • Strong troubleshooting, documentation, and communication skills

Preferred Qualifications

  • Experience with third‑party migration tools (e.g., Quest, BitTitan, ShareGate)
  • Familiarity with Microsoft Purview, eDiscovery, retention, and information protection
  • Experience working in regulated or global enterprise environments
  • Microsoft certifications such as:
  • Microsoft 365 Administrator
  • Identity and Access Administrator
  • Security Administrator
  • Prior experience supporting divestitures or carve‑outs