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Active Directory Administrator
Agile DefenseQuantico, VA, United Statesfull_timeVerifiedPosted 2 Feb 2026
About the role
At Agile Defense we know that action defines the outcome and new challenges require new solutions. That’s why we always look to the future and embrace change with an unmovable spirit and the courage to build for what comes next.
Our vision is to bring adaptive innovation to support our nation's most important missions through the seamless integration of advanced technologies, elite minds, and unparalleled agility—leveraging a foundation of speed, flexibility, and ingenuity to strengthen and protect our nation’s vital interests.
Requisition #: 1395Job Title: Active Directory AdministratorLocation: Quantico, VAClearance Level: Top Secret w/SSBI (requires an active Top Secret as a minimum level for consideration)Required Certification(s):DoD 8580 IAT III (CASP+CE, CCNP Security, CISA, GCIH, GCED, or CISSP (or Associate), CSSP)Professional level certification, i.e. MCSA Windows Server 2019/2022, MCSE Core Infrastructure, Microsoft Windows Server Hybrid Administrator
SUMMARY We’re looking for a self-starter that thrives in a challenging environment, a Team player who seeks new solutions and is willing to both teach and learn. The successful candidate will be part of an Enterprise Tier 3 level Active Directory (AD) Support team supporting over 265,000 user accounts and 140,000 computer accounts across several AD domains on government operated networks. The services that the AD Support team supports in Active Directory include accounts and group management; security configuration of the AD infrastructure; Domain Name Service (DNS); Dynamic Host Configuration Protocol; Distributed File Replication Services; Group Policy Objects; and other directory services technologies as applicable.
The Candidate will provide Tier III level Active Directory support and requires knowledge of the Windows Server Operating System and relevant AD applications (such as Lync, System Center Suite, and Exchange). The underlying infrastructure consists of both physical servers and VMware based servers and requires knowledge in VMware Virtualization and VMware vCloud to perform the specialized EDM Active Directory tasks.
JOB DUTIES AND RESPONSIBILITIESMaintain the overall health of technologies associated with AD and internal DNS.Resolve Active Directory tickets escalated from the service desk to include completing the associated administrative activities and providing a weekly status report.Coordinate incident tickets between Tier II and III sections as well as other sections as required.Provide documentation, guidance and instruction to Tier II, and service desks for handling standard Active Directory related incidents, work orders, and service requests.Provide Active Directory Service Desk Resolution Reports documentation to the service desk on the procedures for completing the task.Submit and execute AD related Request for Change tasks.Monitor the system availability and performance of AD with Government -provided event management tools, and take corrective action regarding incidents that lower the health of AD.Provide project support for AD related technologies.Coordinate with the Engineering Team and other sections on AD-related issues.Support change management process; submit requests through Change Approval Board; and participate in Change Review Boards.Escalate product issues to third party product vendors upon Government approval. Implement monitoring tool thresholds and conduct proactive event remediation.Provide analysis and remediation for DISA Security Technical Implementation Guidelines (STIG) for all responsible technologies in preparation for the annual Commanders Cyber Readiness Inspections (CCRI).
QUALIFICATIONS Required Certifications
Education, Background, and Years of Experience7 years related experienceFirewall, Demilitarized Zone (DMZ) experience configuring, certificate configuring; troubleshootingExperience with PowerShell commands needed to manage Active Directory features, roles, mailboxes, performance and troubleshootingExperience identifying the need for any Active Directory system reconfigurations (minor or significant)Experience maintaining policies, procedures, and training plans for Active Directory system administration and appropriate useExperience in building, tuning and maintaining servers in an enterprise environment.Experience troubleshooting server performance issues using native Windows Server tools and utilitiesStrong experience with Active Directory 2019/2022, planning, deploying and migration, including experience with mailbox server failover and cluster managementExtensive knowledge of AD architecture - databases and logs, mail routing and protocol support.Thorough working knowledge of Windows Server 2019/2022
ADDITIONAL SKILLS & QUALIFICATIONS Required SkillsAbility to evaluate the need for any messaging system reconfigurations (minor or significant)Ability to maintain policies, procedures, and training plans for messaging system adm
Our vision is to bring adaptive innovation to support our nation's most important missions through the seamless integration of advanced technologies, elite minds, and unparalleled agility—leveraging a foundation of speed, flexibility, and ingenuity to strengthen and protect our nation’s vital interests.
Requisition #: 1395Job Title: Active Directory AdministratorLocation: Quantico, VAClearance Level: Top Secret w/SSBI (requires an active Top Secret as a minimum level for consideration)Required Certification(s):DoD 8580 IAT III (CASP+CE, CCNP Security, CISA, GCIH, GCED, or CISSP (or Associate), CSSP)Professional level certification, i.e. MCSA Windows Server 2019/2022, MCSE Core Infrastructure, Microsoft Windows Server Hybrid Administrator
SUMMARY We’re looking for a self-starter that thrives in a challenging environment, a Team player who seeks new solutions and is willing to both teach and learn. The successful candidate will be part of an Enterprise Tier 3 level Active Directory (AD) Support team supporting over 265,000 user accounts and 140,000 computer accounts across several AD domains on government operated networks. The services that the AD Support team supports in Active Directory include accounts and group management; security configuration of the AD infrastructure; Domain Name Service (DNS); Dynamic Host Configuration Protocol; Distributed File Replication Services; Group Policy Objects; and other directory services technologies as applicable.
The Candidate will provide Tier III level Active Directory support and requires knowledge of the Windows Server Operating System and relevant AD applications (such as Lync, System Center Suite, and Exchange). The underlying infrastructure consists of both physical servers and VMware based servers and requires knowledge in VMware Virtualization and VMware vCloud to perform the specialized EDM Active Directory tasks.
JOB DUTIES AND RESPONSIBILITIESMaintain the overall health of technologies associated with AD and internal DNS.Resolve Active Directory tickets escalated from the service desk to include completing the associated administrative activities and providing a weekly status report.Coordinate incident tickets between Tier II and III sections as well as other sections as required.Provide documentation, guidance and instruction to Tier II, and service desks for handling standard Active Directory related incidents, work orders, and service requests.Provide Active Directory Service Desk Resolution Reports documentation to the service desk on the procedures for completing the task.Submit and execute AD related Request for Change tasks.Monitor the system availability and performance of AD with Government -provided event management tools, and take corrective action regarding incidents that lower the health of AD.Provide project support for AD related technologies.Coordinate with the Engineering Team and other sections on AD-related issues.Support change management process; submit requests through Change Approval Board; and participate in Change Review Boards.Escalate product issues to third party product vendors upon Government approval. Implement monitoring tool thresholds and conduct proactive event remediation.Provide analysis and remediation for DISA Security Technical Implementation Guidelines (STIG) for all responsible technologies in preparation for the annual Commanders Cyber Readiness Inspections (CCRI).
QUALIFICATIONS Required Certifications
Education, Background, and Years of Experience7 years related experienceFirewall, Demilitarized Zone (DMZ) experience configuring, certificate configuring; troubleshootingExperience with PowerShell commands needed to manage Active Directory features, roles, mailboxes, performance and troubleshootingExperience identifying the need for any Active Directory system reconfigurations (minor or significant)Experience maintaining policies, procedures, and training plans for Active Directory system administration and appropriate useExperience in building, tuning and maintaining servers in an enterprise environment.Experience troubleshooting server performance issues using native Windows Server tools and utilitiesStrong experience with Active Directory 2019/2022, planning, deploying and migration, including experience with mailbox server failover and cluster managementExtensive knowledge of AD architecture - databases and logs, mail routing and protocol support.Thorough working knowledge of Windows Server 2019/2022
ADDITIONAL SKILLS & QUALIFICATIONS Required SkillsAbility to evaluate the need for any messaging system reconfigurations (minor or significant)Ability to maintain policies, procedures, and training plans for messaging system adm
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