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Principal Systems Engineer – Active Directory – Active Top Secret required

Washington DC General Dynamics Information Technology

Type of Requisition:


Clearance Level Must Currently Possess:

Top Secret

Clearance Level Must Be Able to Obtain:

Top Secret/SCI


Agency Specific

Public Trust/Other Required:

Job Family:

Systems Administration

Job Description:

Principal Systems Engineer – Active Directory – Active Top Secret Required

Seize your opportunity to make a personal impact as a Principal Systems Engineer with GDIT. A career in systems engineering means designing and implementing the systems that matter most. You will ensure that Active Directory directory/site design, group policy architecture, and certificate services are functioning properly and securely across the enterprise. At GDIT you’ll be at the forefront of innovation and play a meaningful part in improving how agencies operate.

At GDIT, people are our differentiator. As a Principal Systems Engineer, you will help ensure today is safe and tomorrow is smarter. Our work depends on a Principal Systems Engineer joining our team to bring professionalism and initiative to a fast-paced environment that offers extensive options for training, certification, and career advancement. When we succeed, you succeed and together our best becomes better.

HOW A Principal Systems Engineer WILL MAKE AN IMPACT:

  • Designing and implementing complex Active Directory forests and domains across a intricate network with over 10,000 users and 20,000 Active Directory objects.

  • Providing Active Directory Federation Services (ADFS) infrastructure management.

  • Implementing and configuring Active Directory Domain Services (AD DS), including creating and configuring domain controllers, user and group accounts, and organizational units (OUs).

  • Working within a bastion forest solution to provide comprehensive security and management across multiple Active Directory forests.

  • Continually monitoring the environment to ensure best practices and Federal guidelines are being followed.

  • Creating advanced monitoring strategies for monitoring and reporting the health of Active Directory components.

  • Recording problem symptoms and status information in a timely fashion and communicating internally within IT and externally with the customer through problem resolution.

  • Conducting complex troubleshooting and repair tasks on Active Directory, Windows Server 2008-2019, Domain Controllers, user authentication and other operational systems as needed.

  • Leading efforts to ensure data/media recoverability by following a schedule of system backups and database archive operations.

  • Conducting advanced hardware and software audits of workstations and servers to ensure compliance with established standards, policies, and configuration guidelines.

  • Developing performance and security plans for computers that meet the needs of network users.

  • Evaluating existing systems and plans long-term strategies.

  • Participating in on-call rotation (as required) for emergency technical support and planned maintenance activities.

  • Potentially serving as a team or task lead.


  • Education: BS/BA or equivalent

  • Required Experience: 10+ years of relevant experience

  • Required Technical Skills: DoD 8140/8570 IAT III compliance required

  • Security Clearance Level: Active Top Secret (Must have had a T5 or T5R within the last 5 years)

  • Required Skills and Abilities: Highly motivated, self-starter with great communications skills; effective problem solver; able to thrive in a fast-paced, changing environment

  • Location: Washington, District of Columbia; limited telework may be available


  • 401K with company match

  • Comprehensive health and wellness packages

  • Internal mobility team dedicated to helping you own your career

  • Professional growth opportunities including paid education and certifications

  • Cutting-edge technology you can learn from

  • Rest and recharge with paid vacation and holidays


Scheduled Weekly Hours:


Travel Required:

Less than 10%

Telecommuting Options:


Work Location:

USA DC Washington

Additional Work Locations:

COVID-19 Vaccination: GDIT does not have a vaccination mandate applicable to all employees. To protect the health and safety of its employees and to comply with customer requirements, however, GDIT may require employees in certain positions to be fully vaccinated against COVID-19. Vaccination requirements will depend on the status of the federal contractor mandate and customer site requirements.

We are GDIT. The people supporting some of the most complex government, defense, and intelligence projects across the country. We deliver. Bringing the expertise needed to understand and advance critical missions. We transform. Shifting the ways clients invest in, integrate, and innovate technology solutions. We ensure today is safe and tomorrow is smarter. We are there. On the ground, beside our clients, in the lab, and everywhere in between. Offering the technology transformations, strategy, and mission services needed to get the job done.

GDIT is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.

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