Sr. Systems Engineer – Exchange Platform

Contract Performance Period : July 1, 2026 - December 31, 2026
Job Location : Washington, DC location(s) (Metro Access) On-Site 5 days/week.
Direct Hire : Term: through 31/12/2026, with a strong possibility of extension
Pay Range : Depending on Experience
Travel Requirements : Washington, DC location(s) (Metro Access) On-Site 5 days/week.
Working Remotely : Not possible

Project Description :

Manage and maintain our hybrid Exchange environment, including on-premises Exchange Server and Exchange Online (Microsoft 365). Ensure reliable email services, security, and compliance across the organization.

US Citizenship is required for this position.



Qualification Requirements :
  • 4+ years managing Exchange environments
  • 2+ years with hybrid Exchange (on-premises + Exchange Online)
  • 2+ years PowerShell scripting for Exchange administration
  • Hands-on experience with mailbox migrations and hybrid deployments
  • Email security and compliance implementation
  • Microsoft 365 Certified: Messaging Administrator Associate (preferred)
  • Experience with 500+ user environments (preferred)
  • ITIL or service management experience (preferred)


Skills Requirements :
  • Microsoft Exchange Online & Exchange Server (hybrid environment)
  • PowerShell (Exchange Online/On-Prem Management)
  • Microsoft 365 Admin Center & Exchange Admin Center (EAC)
  • Azure Active Directory & Azure AD Connect
  • Exchange Online Protection (EOP) & Microsoft Defender for Office 365
  • DNS, SPF, DKIM, DMARC, mail flow routing


Responsibilities :
  • Administer and support hybrid Exchange infrastructure (on-premises and Exchange Online)
  • Manage mailbox migrations, mail flow, and hybrid connectivity between environments
  • Configure and maintain transport rules, DLP policies, retention policies, and email security features
  • Monitor system performance, troubleshoot issues, and resolve user email problems
  • Implement anti-spam, anti-malware, and threat protection using Microsoft Defender for Office 365
  • Manage user provisioning, distribution groups, shared mailboxes, and permissions
  • Maintain hybrid synchronization and directory services (Azure AD Connect)
  • Execute eDiscovery, legal holds, and compliance investigations
  • Document configurations, procedures, and maintain system architecture records
  • Provide end-user support and training on email features


Job ID : 1560

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