Senior Domain Services Engineer – 802.1X, AD & Hybrid Cloud

General Dynamics Information Technology, Inc.; St. Louis (MO); Presencial; USD 120.000 - 170.000; Jornada completa

Descripción de la vacante

General Dynamics Information Technology, Inc. seeks a Domain Service Engineer to design, implement, and operate a hybrid cloud and on-premises directory services environment. You will own 802.1X NAC, Active Directory, DNS/DHCP/IPAM, and PKI across enterprise systems.

The role requires TS/SCI with Polygraph, strong scripting skills, and experience with Cisco ISE and Azure AD Connect. You will collaborate with Network, Systems, and Security teams to ensure secure, scalable infrastructure.

Formación

• Active TS/SCI with Polygraph; sponsorship possible.
• 5+ years in AD-related and senior engineering roles.
• Scripting skills in PowerShell, Python, Bash, or Perl.
• Deep knowledge of AD/LDAP authentication and administration.
• Experience with enterprise directory synchronization tools (e.g., Azure AD Connect).
• Implement and manage Cisco ISE architecture across large environments.
• Maintain NAC policies using 802.1X, MAB, and Web Authentication.

Responsabilidades

• Manage uptime and lifecycle of 802.1x architecture.
• Deliver secure, scalable Active Directory design following best practices.
• Provide SME level support for DNS, DHCP, and AD integration across Windows and non-Windows endpoints.
• Take technical ownership of projects and ensure resiliency in hybrid environments.
• Implement GPOs based on requirements and troubleshoot issues.
• Monitor replication between domain controllers and DNS/DHCP configurations.
• Manage PKI systems and certificates.

Conocimientos

Active Directory

802.1X NAC

PowerShell

Python

RADIUS

Herramientas

Cisco ISE

Azure AD Connect

PKI/Certificates

SIEM

DNS/DHCP/IPAM

Descripción del empleo

General Dynamics Information Technology, Inc. seeks a Domain Service Engineer to design, implement, and operate a hybrid cloud and on-premises directory services environment. You will own 802.1X NAC, Active Directory, DNS/DHCP/IPAM, and PKI across enterprise systems.

The role requires TS/SCI with Polygraph, strong scripting skills, and experience with Cisco ISE and Azure AD Connect. You will collaborate with Network, Systems, and Security teams to ensure secure, scalable infrastructure.