Role: Systems Administrator T4
Location: Herndon VA (Hybrid minimum 3 days/week onsite) (Locals Only)
Project Duration: 1 Year
Senior Microsoft 365 Administrator
The Senior Microsoft 365 Administrator will serve as the technical lead and subject matter expert responsible for overseeing the architecture implementation and ongoing optimization of SAP NS2s Microsoft 365 environment. This strategic role will support major modernization initiatives lead platform upgrades and collaborate cross-functionally to ensure secure reliable and scalable solutions across Microsoft Exchange Online SharePoint Teams OneDrive and associated services.
The ideal candidate is a forward-thinking technologist with deep expertise in Microsoft 365 experience driving enterprise-level projects and a passion for maximizing the value of cloud collaboration tools to support evolving business needs.
Key Responsibilities:
Lead and drive Microsoft 365 upgrades migrations and platform modernization efforts.
Architect configure and maintain secure and resilient Microsoft 365 services including Exchange Online SharePoint Online Teams OneDrive and the M365 Admin Center.
Own and implement best practices around identity access and compliance policies using Conditional Access DLP Sensitivity Labels and Defender for Office 365.
Act as a technical lead for M365-related projects working closely with internal IT Security and business stakeholders.
Manage tenant-level configurations including hybrid integrations and licensing strategies.
Proactively monitor system health usage metrics and security compliance via tools like PowerShell Graph API and Security & Compliance Center dashboards.
Develop and enforce governance standards documentation and disaster recovery procedures.
Mentor junior team members and provide advanced support and escalation on complex issues.
Evaluate emerging M365 technologies and make recommendations for adoption aligned with strategic goals.
Provide end-user guidance and training on new capabilities to promote adoption and productivity.
Qualifications:
Bachelors Degree in Computer Science MIS or related field (or equivalent professional experience).
5 7 years of hands-on administration and engineering experience with Microsoft 365 in an enterprise setting.
Proven experience leading M365 implementations upgrades or major configuration projects.
In-depth knowledge of Exchange Online SharePoint Online Teams OneDrive Azure AD and security & compliance features.
Advanced experience with Power Platform (Power BI Power Apps Power Automate).
Strong PowerShell scripting experience and familiarity with Graph API.
Demonstrated ability to lead cross-functional projects and interface with senior leadership.
Excellent communication documentation and organizational skills.
Strong understanding of hybrid environments and integration with on-prem Active Directory and legacy systems.
Knowledge of AI capabilities within Microsoft 365
Desired Skills:
Microsoft Certifications (MS-102 SC-401 or equivalent).
SharePoint Online administration and customization experience.
Strong experience with implementing Defender for O365
Information Protection sensitivity Labels and DLP (Policies for email endpoints and cloud apps)
Manage Data Governance (Retention labels records management and audit logs)
Monitor and Respond to Compliance Issues (Alerts reports and investigations using Microsoft Purview)
Scripting and automation (PowerShell JavaScript / TypeScript Graph API (via REST or SDKs JSON)