MS Exchange Operations Systems Administrator

DAn Solutions, Inc; Washington (District of Columbia); On-site; USD 120,000 - 160,000; Full time

Job summary

DAn Solutions, Inc. is seeking an experienced MS Exchange Operations Engineer to administer and optimize enterprise-grade Exchange services within a secure DoD environment.

The role requires strong collaboration with IT, cybersecurity, and AD teams to ensure secure messaging and reliable service. Responsibilities include mailbox provisioning, mail flow management, retention policies, and cloud migrations with M365.

Qualifications

• Bachelor's degree in CS/IT or related field.
• Security+ CE certification and TS/SCI clearance with CI polygraph required.
• 10+ years IT experience, 6+ years focused on Exchange operations.
• Expertise in Exchange Server 2016/2019 and hybrid Exchange Online.
• Hands-on with M365, OWA, GPO, and email cloud migration.
• PowerShell scripting for automation and reporting.
• Knowledge of DoD STIGs and RMF, secure messaging protocols.
• Experience with email gateways, DNS, and ActiveSync.

Responsibilities

• Administer mailbox provisioning and mail flow management.
• Troubleshoot complex messaging issues with cross-team collaboration.
• Implement retention policies and automate tasks with PowerShell.
• Support OWA and cloud migration initiatives with M365.
• Develop SOPs and technical documentation for sustainment.

Education

Bachelor's degree in Computer Science, Information Technology, or related field

Security+ CE certification

TS/SCI clearance with CI polygraph

Tools

Microsoft Exchange Server 2016/2019

Microsoft 365

Outlook Web Access (OWA)

Group Policy Objects (GPO)

Job description

POSITION CONTINGENT ON FUNDING/AWARD

NO REMOTE WORK

High-Level Description: The MS Exchange Operations Engineer is responsible for the administration, maintenance, and optimization of enterprise-level Microsoft Exchange email services within a secure Department of Defense environment.

Detailed Description: The Engineer will manage day-to-day operations of Microsoft Exchange, including mailbox provisioning, mail flow management, and troubleshooting complex messaging issues. This role requires strong collaboration with IT infrastructure, cybersecurity, and Active Directory teams to ensure secure and resilient email services. Responsibilities include implementing retention policies, automating tasks with PowerShell, supporting Outlook Web Access (OWA), and ensuring compliance with DoD and IC security controls. The Engineer will also manage integration with Microsoft 365 (M365), develop and apply Group Policy Objects (GPOs) for Exchange and email security, and support cloud migration initiatives. Additional tasks include patching, cross-domain email support, and developing SOPs and technical documentation to support long-term sustainment and mission success.

Requirements:

• Bachelor's degree in Computer Science, Information Technology, or a related field.


• Security+ CE certification and TS/SCI clearance with CI polygraph required.


• 10+ years of IT experience, with 6+ years focused on Microsoft Exchange operations.


• Expertise in Microsoft Exchange Server 2016/2019 and hybrid Exchange Online environments.


• Hands-on experience with Microsoft 365, Outlook Web Access (OWA), Group Policy Objects (GPO), and email cloud migration.


• Proficiency with PowerShell scripting for automation and reporting.


• Deep understanding of DoD STIGs, RMF, and secure messaging protocols.


• Experience with email gateways, DNS, mobile messaging (ActiveSync), and enterprise directory integration.


• Familiarity with ITIL service operations and incident/change management practices.