Sr. Systems Engineer – Exchange Platform
Back to job openings
This position is no longer accepting applications. See our current job openings.
- 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
- Job ID
- 1560
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