Active Directory Lead-US Citizen

Company: Applicable Limited
Location: Washington
Posted on: April 25, 2025

Job Description:

Req ID:317012NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now.We are currently seeking an Active Directory Lead-US Citizen to join our team in Washington DC, District of Columbia (US-DC), United States (US).Position's General Duties and Tasks:The Active Directory Lead is responsible for providing advanced systems engineering and administration support at Tier 2 through 4 levels to ensure the reliability, security, and performance of enterprise services for the Defense Information Systems Agency (DISA). This role focuses on the design, deployment, and ongoing management of Microsoft Active Directory environments supporting approximately 10,000 users and 10,000 computer objects across multiple government agencies. Key responsibilities include:

• Designing scalable Active Directory architectures, including forests, domains, trusts, and group policies, to meet mission-critical requirements in a no-fail environment.
• Maintaining Active Directory systems through routine upgrades, patching, and performance tuning to ensure high availability and compliance with security standards.
• Troubleshooting escalated Active Directory issues, such as authentication failures, replication errors, and permissions conflicts, to restore service rapidly.
• Monitoring system performance metrics, identifying bottlenecks, and optimizing configurations to support 24/7/365 global operations.
• Collaborating with engineering and administration teams to integrate Active Directory with enterprise services like PKI, email systems, and virtualization platforms.
• Documenting system configurations, operational processes, and troubleshooting procedures to ensure continuity and support compliance audits.
• Advising on technical enhancements and scalability improvements to strengthen system resilience for a diverse, worldwide user base.Basic Qualifications:
  • Bachelor's degree in Computer Science, Information Systems, Engineering, Mathematics, or a related scientific or technical discipline.
    • Education Equivalency: One-and-one-half (1.5) years of additional experience can substitute for one (1) year of a typical degree program.
    • Minimum 10 years of relevant experience supporting projects of similar size, scope, and complexity (e.g., enterprise-level IT systems with 10,000+ users).
    • Certifications: Compliance with DoD 8140 for Information Assurance Technician (IAT) Level 2 (e.g., CompTIA Security+, CCNA Security, or equivalent) is required at the time of hiring.
    • Must be a US citizen with an active Top Secret Clearance SCI who is eligible for a higher clearance.
    • Must live a commutable distance to the client site in Washington, DC.
    • Minimum 5 years experience in designing, deploying, and maintaining complex Active Directory forests and domains in a multi-site, high-availability environment.Preferred Qualifications:
      • Master's degree in Computer Science, Information Systems, Engineering, or a related discipline.
      • Certifications: Microsoft certifications (e.g., Microsoft Certified: Enterprise Administrator Expert, Microsoft Certified Solutions Associate (MCSA), or equivalent) and other professional IT certifications (e.g., ITIL, CISSP).
      • More than 5 years of experience in systems engineering or administration, particularly with Active Directory in a DoD or government enterprise environment.
      • Familiarity with supporting enterprise services such as Public Key Infrastructure (PKI), configuration management tools, remote application systems, or server virtualization platforms (e.g., VMware, Hyper-V).
      • Proven ability to work effectively in cross-functional teams supporting mission-critical IT operations on a global scale.#FedsecAbout NTT DATANTT DATA is a $30 billion trusted global innovator of business and technology services. We serve 75% of the Fortune Global 100 and are committed to helping clients innovate, optimize and transform for long term success. As a Global Top Employer, we have diverse experts in more than 50 countries and a robust partner ecosystem of established and start-up companies. Our services include business and technology consulting, data and artificial intelligence, industry solutions, as well as the development, implementation and management of applications, infrastructure and connectivity. We are one of the leading providers of digital and AI infrastructure in the world. NTT DATA is a part of NTT Group, which invests over $3.6 billion each year in R&D to help organizations and society move confidently and sustainably into the digital future. Visit us at NTT DATA endeavors to make accessible to any and all users. If you would like to contact us regarding the accessibility of our website or need assistance completing the application process, please contact us at .This contact information is for accommodation requests only and cannot be used to inquire about the status of applications. NTT DATA is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status. For our EEO Policy Statement, please click . If you'd like more information on your EEO rights under the law, please click . For Pay Transparency information, please click .
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Keywords: Applicable Limited, Alexandria , Active Directory Lead-US Citizen, Other , Washington, Virginia