Active Directory Architect – Onsite, Mission‑Critical Identity

General Dynamics Information Technology; Maryland; On-site; USD 110,000 - 160,000; Full time

Job summary

General Dynamics Information Technology is seeking an Active Directory Systems Administrator to sustain enterprise directory services, ensuring authentication, authorization, and identity management across multinetwork environments. You will maintain forests, domains, and GPOs to support secure configurations and mission readiness.

You will collaborate with engineering, cybersecurity, and operations, handling complex AD, DNS, and credential services while driving patching and compliance for

Qualifications

• Bachelor’s degree or 8+ years IT experience in lieu of degree.
• DoD 8140 Information Assurance Workforce certification requirements (e.g. Security+ CE)
• Active TS/SCI clearance with a favorable polygraph
• Hands-on experience administering AD, Group Policy, DNS, and authentication services in enterprise or multidomain environments
• Familiarity with STIGs, patching workflows, vulnerability remediation, and configuration compliance requirements
• Strong documentation, communication, and cross team collaboration skills
• US citizenship required

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
• Support AD integrated services including certificate services, federation services, domain controllers, and directory dependent applications
• Execute domain controller deployments, configuration updates, schema extensions, and lifecycle upgrades in alignment with operational and security requirements
• Monitor AD health, replication status, event logs, and performance to ensure availability and integrity of directory services
• Maintain directory service documentation, configuration baselines, and operational procedures
• Collaborate with engineering, cybersecurity, and operations teams to support design changes, new identity capabilities, and secure directory implementations
• Execute patching and compliance tasks for AD, DNS, and directory integrated systems
• Identify and remediate patching gaps, and document corrective actions

Skills

Active Directory

Group Policy

DNS

Kerberos/NTLM

Authentication services

AD health monitoring

Domain controller management

OU structure design

Documentation

Cross-team collaboration

US citizenship

Education

Bachelor’s degree in IT-related field

Tools

Certificate Services

Federation Services

Group Policy Management

DNS administration

PowerShell

Job description

General Dynamics Information Technology is seeking an Active Directory Systems Administrator to sustain enterprise directory services, ensuring authentication, authorization, and identity management across multinetwork environments. You will maintain forests, domains, and GPOs to support secure configurations and mission readiness.

You will collaborate with engineering, cybersecurity, and operations, handling complex AD, DNS, and credential services while driving patching and compliance for