Senior System Domain Administrator
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Job Location:
Fort Belvoir, VA - USA
Monthly Salary:
$ 112450 - 203275
Posted on:
30+ days ago
Vacancies:
1 Vacancy
Job Summary
As a Senior System Domain Administrator you will support efforts to redesign the AD structure to facilitate an agency re-organization and IT Modernization project. You will be regarded as a senior resource in this position and you will have responsibility assisting other domain administrators for the implementation of a schema to reconfigure and establish security groups permissions and other aspects to support the Agency re-organization. To be successful in this role you should have direct experience supporting Active Directory (AD) engineering and operations.
What will you do in this role
Analyze the existing environment to include Organization Units (OU) GPOs Domain Name Service (DNS) and Security Groups and designs an appropriate structure and naming convention that follows industry standards and best practices.
Conduct interviews with stakeholders to identify organization and mission requirements as they relate the capabilities of the AD infrastructure: resiliency survivability permission delegation operational management.
Create documentation on the new domain structure migration plan and timeline.
Clean up the existing environment to eliminate artifacts; prepares and builds the new environment based on the redesign plan.
Implement user rights assignments for specific systems in accordance with industry best practices.
Configure security policies including password policies account policies and audit policies in accordance with DoD guidelines.
Conduct testing to validate resources migrated successfully and provide training as required.
Create and maintain system documentation for domain technologies including installation configuration and appropriate troubleshooting steps.
These are the required qualifications:
Bachelors Degree and 12 years Masters Degree and 10 years or equivalent work experience may be considered in lieu of degree.
Must have IATIII 8570 Certification
Experience with Active Directory services infrastructure architect/design/support.
Proven experience architecting and designing AD forests domain trusts DNS DHCP GPOs and OUs.
Experience with planning and performing Active Directory migrations
Experience with scripting (PowerShell).
Knowledge of security policies and general vulnerabilities management.
Understanding of network topologies both transport and IP.
Active and current Secret security clearance with ability to obtain Top Secret/SCI clearance.
These are the preferred qualifications:
Bachelors degree in associated field
Excellent project technical interpersonal presentation and problem management skills
Familiarity with DOD regulations and directives.
Come break things (in a good way). Then build them smarter.
Were the tech company everyone calls when things get weird. We dont wear capes (theyre a safety hazard) but we do solve high-stakes problems with code caffeine and a healthy disregard for how its always been done.
Original Posting:
October 1 2025For U.S. Positions: While subject to change based on business needs Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Pay Range:
Pay Range $112450.00 - $203275.00The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job education experience knowledge skills and abilities as well as internal equity alignment with market data applicable bargaining agreement (if any) or other law.
Required Experience:
Senior IC
Key Skills
- Active Directory
- VMware
- Computer Networking
- Microsoft Windows Server
- Solaris
- Windows
- Linux
- SAN
- System Administration
- Operating Systems
- Dns
- CentOS
About Company
Leidos is an innovation company rapidly addressing the world's most vexing challenges in national security and health. Our 47,000 employees collaborate to create smarter technology solutions for customers in these critical markets.
