Exchange Online Administrator

Edgewater Federal Solutions•Washington, DC

2d•Hybrid

About The Position

Edgewater Federal Solutions is seeking a Senior Systems Engineer / Exchange Online Administrator to support a hybrid Microsoft Exchange environment, including on-premises Exchange Server and Exchange Online within Microsoft 365. The successful candidate will ensure reliable, secure, and compliant email services while supporting mail flow, migrations, hybrid connectivity, and end-user needs across the organization.

Requirements

Microsoft Exchange Online and Exchange Server in a hybrid environment.
PowerShell scripting for Exchange Online and on-premises Exchange administration.
Microsoft 365 Admin Center and Exchange Admin Center.
Microsoft Entra ID / Azure Active Directory and Azure AD Connect.
Exchange Online Protection and Microsoft Defender for Office 365.
DNS, SPF, DKIM, DMARC, and mail flow routing concepts.
Four or more years of experience managing Microsoft Exchange environments.
Two or more years of experience supporting hybrid Exchange environments, including on-premises Exchange and Exchange Online.
Two or more years of experience using PowerShell for Exchange administration and automation.
Hands-on experience with mailbox migrations, hybrid deployments, and mail flow troubleshooting.
Experience implementing email security, compliance, retention, and governance controls.
Must be a U.S. citizen.

Nice To Haves

Microsoft 365 Certified: Messaging Administrator Associate
Experience with 500+ user environments
ITIL or service management experience

Responsibilities

Administer, maintain, and support hybrid Exchange infrastructure, including on-premises Exchange Server and Exchange Online.
Manage mailbox migrations, mail flow, and hybrid connectivity between on-premises and cloud environments.
Configure and maintain transport rules, data loss prevention policies, retention policies, and email security controls.
Monitor Exchange performance, troubleshoot service issues, and resolve user email-related incidents and requests.
Implement and support anti-spam, anti-malware, and threat protection capabilities using Microsoft Defender for Office 365.
Manage user provisioning, distribution groups, shared mailboxes, mailbox permissions, and role-based access controls.
Maintain hybrid synchronization and directory services, including Azure AD Connect.
Support eDiscovery, legal holds, compliance investigations, and records retention requirements.
Develop and maintain technical documentation, standard operating procedures, and system architecture records.
Provide end-user support, guidance, and training related to email services and Microsoft 365 messaging features.