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# Active Directory Architect / Engineer in Upper Marlboro

- **Company:** Energy Jobline
- **Location:** Upper Marlboro, MD, United States
- **Experience:** Expert
- **Salary:** $131,300.0 - $237,350.0
- **Contract:** Permanent contract
- **Skills:** Active Directory, Domain Controllers, Disaster Recovery, Domain Name System (DNS), Identity and Access Management, Kerberos (Protocol), Microsoft Servers, NT LAN Manager, Azure Active Directory, Information Technology, CIS Benchmarks
- **Published:** July 13, 2026
- **Apply:** https://www.energyjobline.com/job/active-directory-architect-engineer-upper-marlboro-31011091

## About the Role

Bachelor's degree in Computer Science, Information Technology, Engineering, OR in a related field and 12+ years of relevant experience OR Masters degree with 10+ years of relevant experience . Additional years of experience will be considered/accepted in lieu of a degree.
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12+ years of hands-on experience as an Active Directory Architect, Engineer, OR Senior Administrator in complex enterprise environments.
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Deep expertise in designing, deploying, upgrading, and administering Microsoft Active Directory Domain Services (AD DS), including domain controllers, multi-domain/forest architectures, trusts, replication topologies, Group Policy Objects (GPOs), OU design, and security baselines.
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Strong experience with hybrid solutions, including synchronization and integration between on-premises AD DS and Microsoft Entra ID (formerly Azure AD).
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Proven track record in troubleshooting and resolving complex AD issues (authentication failures, replication, DNS, Kerberos/NTLM, etc.)., Strong communication skills and ability to work independently as a contractor in a dynamic environment.

## Description

Leidos is seeking a highly skilled Active Directory Architect / Engineer to review and re-architect ATR's Microsoft Active Directory and hybrid environments. The candidate will be responsible for overseeing the implementation, optimization, and ongoing management of the updated architecture and will play a key role in maintaining integrity, availability, and security of and access management systems that support the entire ATR organization. This position focuses on both the on-premises Active Directory Domain Services (AD DS) and integration with Microsoft Entra ID (formerly Azure AD)., Design, deploy, upgrade, and administer Active Directory Domain Services, including domain controllers, forests, domains, trusts, and replication topologies (i.e. Manage and optimize Group Policy Objects (GPOs), OU structures, and security baselines; including object management through bulk operations and automation, Troubleshoot and resolve complex AD-related issues, including authentication failures, replication problems, DNS issues, and Kerberos/NTLM problems, Plan and execute Active Directory migrations, consolidations, and upgrades (of both underlying server infrastructure and overall forest/domain functional levels), Develop and maintain disaster recovery, backup, and restore procedures for AD environments (including AD Recycle Bin and authoritative restores), Monitor AD health and performance using tools such as Microsoft System Center, Azure Monitor, or third-party solutions).


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