Senior System Administrator – Active Directory (EM25-005)

Quantico, VA

E&M Technologies, Inc. is dedicated to recruiting and developing diverse, high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. E&M provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

E&M Technologies, Inc. is currently seeking a Senior System Administrator – Active Directory to join our team in Quantico, VA in support of a Federal Customer.

Job Description

  • Routinely make group policy modifications to support the needs of the domain.
  • Review existing configurations of the replication topology for inconsistencies and deploy new configurations during site build.
  • Author PowerShell scripts to automate deployment tasks.
  • Configure and troubleshoot name resolution in an Active Directory-integrated split-brain DNS environment.
  • Perform daily health checks of the enterprise, and up-channel findings with suggested remedies for implementation.
  • Manage the Active Directory-based activation of Windows platforms. Implement security enhancements to the environment as directed by the CSO.
  • Proactively review current Active Directory technologies and presents suggestions of those which may enhance the mission.
  • Support the unit with other duties as assigned within the scope of work.

Minimum Qualifications

  • Bachelor’s Degree in System Administration, Information Technology, or Computer Science/Engineering and a minimum of 5 years of experience in designing, managing, administering, documenting, troubleshooting, and supporting Active Directory components. An additional 5 years of experience may be considered in lieu of a degree.
  • Experience providing support to the umbrella of Active Directory (AD) technologies.
  • Enterprise-level experience in optimizing Directory Services infrastructure.
  • Experience in the following:
    • Monitoring and maintaining existing Directory Services environments in multiple enclaves.
    • Utilizing Group Policy to harden resources within the environment. Evaluating the relationship between existing policies and plans for the introduction of those needed in the future.
    • Troubleshooting Group Policy processing issues that arise on systems within the environment.
    • Maintaining DNS at the service level, verifying functionality and troubleshooting issues.
    • Utilizing split-brain DNS for multi-homed enterprise resources.
    • Maintaining the health of existing AD Federated / Certificate Services technologies.
  • Working knowledge of DISA STIGs and their implementation.
  • Working knowledge of creating/maintaining federation trusts.
  • Must be a U.S. Citizen.
  • Must have and be capable of maintaining a U.S. Department of Defense (DoD) security clearance at the required level.

Preferred Qualifications

  • Experience / ability with:
    • Active Directory 2016, 2019, 2022
    • Group Policy
    • DNS
    • Active Directory Certificate Services/PKI
    • Authoring PowerShell scripts that will be used to standup and maintain AD Environment
  • Experience participating in and effectively contributing to a highly-collaborative team environment.
  • Demonstrated ability to be innovative and to work independently.
  • Strong verbal and written communication skills.
  • Experience with Microsoft Office Suite (e.g., Word, Excel, PowerPoint, etc.)
To Apply for this Position:

You must have the Minimum Qualifications in your resume to be selected as a candidate.

Employees may be eligible for a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. In addition, E&M Technologies, Inc. provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays, and paid time off (PTO) for vacation and/or personal business. More benefit details here.

The health and safety of our employees and their families is a top priority. With the continuing impacts of COVID-19 around the world, we are taking action to protect the health and well-being of our colleagues and maintain the safety of the communities where we operate. As a federal contractor, and consistent with Executive Order 14042 ( we will require all newly hired employees in the United States to be fully vaccinated by January 18, 2022, or by your start date if it is after January 18th. Federal guidance allows for disability/medical and religious accommodations with respect to the vaccine requirement. Any requested accommodations must be reviewed and approved (if applicable) in advance of your start date.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. U.S. Citizenship is required for most positions.

Job Features

Job Category

Information Technology

Req. ID



United States Citizen

Clearance Type

Top Secret

Travel Required


Remote Work


Salary Range

$80K-100K USD

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