Senior Microsoft 365 Administrator

Battelle•Columbus, OH

8h•Hybrid

About The Position

Battelle is currently seeking a Senior Microsoft 365 Administrator to join our team to support the Corporate Information Technology department that supports the enterprise infrastructure that enables our productivity and collaboration. This is a hybrid position located in Columbus, OH. The M365 Admin should have strong hands-on technical expertise with Microsoft 365 services. This individual will support secure identity and access management, partner closely with Security teams and serve as a Tier 3 escalation point for complex collaboration and messaging issues.

Requirements

Bachelor’s degree in computer information systems; two years of experience; or an equivalent combination of education and or experience in a related field.
Requires a background check that would not preclude a security clearance being granted.
Strong expertise in: Exchange Online, Microsoft Teams, SharePoint Online, OneDrive, Microsoft Entra ID
Experience managing hybrid identity and directory synchronization (Azure AD Connect).
Strong understanding of: Conditional Access, MFA, Identity governance, SMTP mail flow, SPF, DKIM, and DMARC
Proficiency with PowerShell scripting for automation and administration.
Experience troubleshooting authentication, SSO, and synchronization issues.
Must be a US Citizen.

Nice To Haves

A proactive engineer who anticipates issues and strengthens security posture.
A collaborator who works effectively across IT and security teams.
A technically curious professional who stays current with Microsoft innovation.
A service-minded professional who improves the employee experience while protecting the enterprise.

Responsibilities

Administer and maintain Microsoft 365 services including: Exchange Online, SharePoint Online, OneDrive for Business, Microsoft Teams, Microsoft Entra ID, Purview, Copilot Studio, Power Platform
Manage hybrid identity and mail flow integrations (Azure AD Connect, hybrid Exchange).
Oversee licensing, mailbox management, distribution groups, dynamic groups, and shared resources.
Monitor tenant health, service health, and usage reporting to ensure availability and performance.
Provide Tier 3 escalation support for complex messaging, collaboration, authentication, and synchronization issues.
Manage and maintain: Conditional Access policies, Multi-Factor Authentication (MFA) policies, Identity Protection and access governance, Role-Based Access Control (RBAC)
Partner with Security Governance and SOC teams to remediate vulnerabilities and support enterprise application reviews.
Support Microsoft 365 security and compliance capabilities including: Microsoft Purview, Data Loss Prevention (DLP), eDiscovery, retention and sensitivity labeling, Microsoft Defender for Office 365
Ensure configurations align with regulatory, contractual, and enterprise security requirements.
Develop and maintain PowerShell scripts for automation, reporting, and bulk administration.
Leverage Microsoft Graph and provided APIs.
Identify and implement process improvements to increase reliability, efficiency, and security.
Evaluate and communicate new Microsoft features and roadmap items for enterprise applicability.
Partner with Infrastructure, Cloud Engineering, Service Desk, Desktop Management, and Security teams to improve reliability and end-user experience.
Support cloud migration and modernization initiatives.
Contribute to governance models for Teams, SharePoint, and collaboration services.
Develop and maintain documentation, knowledge articles, and change records.