Active Directory Systems Administrator - TS/SCI w/Poly

General Dynamics
United States
Workplace: OnsiteFull timeFunction: Administration & Executive AssistanceExperience: 8+ yearsEducation: professionalSkills: ["Active Directory Domain Services","Active Directory Federation Services","Domain Controllers","Group Policy","Group Policy Objects","DNS","Kerberos","NTLM","Authentication","Certificate services","Federation services","Schema extensions","Patching","STIGs","Documentation"]

Seasoned AD systems administrator responsible for sustaining and securing enterprise directory services across multiple networks. You will manage AD forests, domains, DNS, GPOs, and identity services, ensure availability and security, and collaborate with engineering, cybersecurity, and operations teams to implement new identity capabilities and secure directory implementations for critical mission systems within CIS.

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General Dynamics
General Dynamics
2 months ago

Active Directory Systems Administrator - TS/SCI w/Poly

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Last checked: 5 hours agoStatus: Live

Job Summary

Seasoned AD systems administrator responsible for sustaining and securing enterprise directory services across multiple networks. You will manage AD forests, domains, DNS, GPOs, and identity services, ensure availability and security, and collaborate with engineering, cybersecurity, and operations teams to implement new identity capabilities and secure directory implementations for critical mission systems within CIS.
Location: United States
Workplace: Onsite
Employment Type: Full time
Job Function: Administration & Executive Assistance

Key Responsibilities

  • •Administer and maintain Active Directory forests, domains, trust relationships, replication services, and enterprise directory components
  • •Manage and troubleshoot identity services, including DNS integrated AD functions, authentication, Kerberos/NTLM, group membership, and object lifecycle management
  • •Create, maintain, and troubleshoot Group Policy Objects (GPOs) to enforce secure, standardized configurations across multiple networks and client baselines
  • •Perform Tier 2/3 directory service support, resolving complex AD, DNS, GPO, and authentication issues across distributed environments
  • •Collaborate with engineering, cybersecurity, and operations teams to support design changes, new identity capabilities, and secure directory implementations

Key Requirements

  • •Bachelor’s degree in an IT-related field, or 8-12+ years of relevant IT experience in lieu of a degree
  • •Certifications: Meet DoD 8140 Information Assurance Workforce certification requirements (e.g. Security+ CE, etc.)
  • •Clearance: Active TS/SCI clearance with a favorable polygraph
  • •Hands-on experience administering AD, Group Policy, DNS, and authentication services in enterprise or multidomain environments
  • •Strong knowledge of AD health monitoring, replication, domain controller management, OU structure design, and secure configuration practices
Experience:8+ years
Education:Professional (JD, MD, etc.)
Skills:Active Directory Domain ServicesActive Directory Federation ServicesDomain ControllersGroup PolicyGroup Policy ObjectsDNSKerberosNTLMAuthenticationCertificate servicesFederation servicesSchema extensionsPatchingSTIGsDocumentation
Tech Stack:Active DirectoryAD DSAD FSDNSGroup PolicyGPOKerberosNTLM

Eligibility

Security Clearance:TS/SCIPolygraph

Company Brief

General Dynamics
Provides IT, systems engineering, cybersecurity, cloud, and mission support services to U.S. federal civilian and defense agencies, delivering large-scale technology solutions and managed services for national security and government operations.
Industry: Defense Technology
Company Size: Enterprise (1,001+ employees)
Growth: Established Company
Headquarters: Tysons / Fairfax, United States
WebsiteLinkedIn