Active Directory Administrator

About DMI

DMI is a leading provider of digital services and technology solutions, headquartered in Tysons Corner, VA. With a focus on end-to-end managed IT services, including managed mobility, cloud, cybersecurity, network operations, and application development, DMI supports public sector agencies and commercial enterprises around the globe. Recognized as a Top Workplace, DMI is committed to delivering secure, efficient, and cost-effective solutions that drive measurable results.

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DMI is seeking an experienced Active Directory Administrator to join us. This position is responsible for administering and maintaining the enterprise directory services environment, ensuring secure identity lifecycle management, authentication services, and directory availability for a geographically dispersed workforce.

The ideal candidate will have experience supporting complex Microsoft Active Directory environments, Azure Active Directory (Entra ), Group Policy, and identity management technologies while partnering with cybersecurity, infrastructure, and customer support teams to deliver secure and reliable enterprise services.

Duties and Responsibilities:

• Administer and maintain enterprise Active Directory and Azure Active Directory (Entra ) environments supporting user authentication and identity services.
• Manage the complete identity lifecycle, including account provisioning, modifications, deprovisioning, and access reviews.
• Create and maintain Organizational Units (OUs), security groups, Group Policy Objects (GPOs), and delegated administrative permissions.
• Support Multi-Factor Authentication (MFA), Single Sign-On (SSO), and directory synchronization services.
• Monitor directory health, replication, authentication services, and overall system performance.
• Troubleshoot identity, authentication, authorization, and Group Policy issues across enterprise environments.
• Collaborate with Information Security teams to implement identity governance, privileged access management, and Zero Trust security initiatives.
• Develop and maintain technical documentation, operational procedures, and configuration standards.
• Support change management activities, system upgrades, and technology modernization initiatives.
• Ensure compliance with federal security policies, organizational standards, and ITIL service management practices.

Education and Years of

Experience:

• Bachelor's degree in Information Technology, Computer Science, or related field (or equivalent experience).
• 5+ years of experience administering Microsoft Active Directory in enterprise environments.
• Experience with Azure Active Directory (Microsoft Entra ), Group Policy, DNS, DHCP, LDAP, and identity management.
• Experience supporting Windows Server environments.
• Strong troubleshooting, analytical, and documentation skills.
• Excellent communication and customer service skills.

Required Skills &

Certifications:

• Experience supporting HHS or other Federal agencies.
• Microsoft Certified:
  Identity and Access Administrator Associate or equivalent.
• Experience with Microsoft Endpoint Configuration Manager (MECM), Microsoft Intune, or hybrid cloud identity solutions.
• Familiarity with Power Shell scripting and automation.
• ITIL Foundation Certification

Min Citizenship Status

Required:

Must be a U.S. Citizen

Physical Requirements: No physical requirements needed for this position.

Location: Atlanta, Georgia

DMI is a diverse, prosperous, and rewarding place to work. Being part of the DMI family means we care about your well-being. As such, we offer a variety of perks and benefits that help meet various interests and needs, while still having the opportunity to work directly with a number of our award‑winning, Fortune 1000 clients. The following categories make up your DMI well‑being:

• Convenience/Concierge - Virtual visits through health insurance, pet insurance, commuter benefits, discount tickets for movies, travel, and many other items to provide convenience.
• Development – Annual performance management, continuing education, tuition assistance, internal job opportunities along with career…