Job description

Apply now: Sr. M365 Systems Administrator, location is Hybrid (Herndon, VA). The start date is September 1, 2025 for this 12-month contract position with potential extension or conversion. Job Title: Sr. M365 Systems Administrator Location-Type: Hybrid - Herndon, VA (3 days onsite) Start Date Is: September 1, 2025 Duration: 12 months (Contract, potential extension and conversion) Compensation Range: $65.00/hr – $80.00/hr Job Description: Lead enterprise-level Microsoft 365 administration, modernization, and security initiatives, ensuring platform reliability, compliance, and adoption across the organization. Day-to-Day Responsibilities: • Lead Microsoft 365 upgrades, migrations, and modernization projects • Architect, configure, and maintain secure and resilient M365 services (Exchange Online, SharePoint Online, Teams, OneDrive, M365 Admin Center) • Implement best practices for identity, access, and compliance policies (Conditional Access, DLP, Sensitivity Labels, Defender for Office 365) • Manage tenant-level configurations, hybrid integrations, and licensing strategies • Monitor system health, usage, and compliance via PowerShell, Graph API, and compliance dashboards • Develop governance standards, documentation, and disaster recovery procedures • Mentor junior team members and provide escalation support for complex M365 issues • Evaluate emerging Microsoft 365 technologies and make adoption recommendations • Provide end-user guidance and training to promote adoption of new capabilities Requirements: • Must-Haves: • 5–7 years of M365 administration/engineering • Experience with M365 implementations • Knowledge of Exchange Online, SharePoint Online, Teams, OneDrive, Azure AD, and security/compliance features • Advanced Power Platform experience (Power BI, Power Apps, Power Automate) • PowerShell scripting and Graph API skills • Nice-to-Haves: • Microsoft certifications (MS-100, MS-101, SC-300, or equivalent) • SharePoint 2013 administration/customization • Familiarity with Defender for O365, Conditional Access, Sensitivity Labels, and DLP • Security auditing, tenant hardening, and compliance configuration experience • Knowledge of networking, HTML, JavaScript, and SQL Server

Requirements