Domain Services Engineer

General Dynamics
St. Louis
Workplace: OnsiteFull timeUSD 125,800 - 170,200 annuallyFunction: Solutions Engineering & Sales EngineeringExperience: 5+ yearsSkills: ["Written communication","Verbal communication","Teamwork","Self-starter","Technical problem-solving"]

Support and engineer enterprise domain services for ISE and Microsoft Active Directory, including directory/identity management plus DNS, DHCP, and IPAM. Own and modernize 802.1X architecture using Cisco Identity Services Engine (ISE), deliver secure and resilient designs, and serve as a Tier 3 escalation point for AD/DNS/DHCP and 802.1X/RADIUS issues. Collaborate across Network, Systems, and Security teams while monitoring replication, GPO, and PKI.

Loading

Loading job details...

Preparing the role view and application actions.

FursaFursa
General Dynamics
General Dynamics
1 day ago

Domain Services Engineer

âś“ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 2 hours agoStatus: Live

Job Summary

Support and engineer enterprise domain services for ISE and Microsoft Active Directory, including directory/identity management plus DNS, DHCP, and IPAM. Own and modernize 802.1X architecture using Cisco Identity Services Engine (ISE), deliver secure and resilient designs, and serve as a Tier 3 escalation point for AD/DNS/DHCP and 802.1X/RADIUS issues. Collaborate across Network, Systems, and Security teams while monitoring replication, GPO, and PKI.
Location: St. Louis
Workplace: Onsite
Employment Type: Full time
Job Function: Solutions Engineering & Sales Engineering
Seniority: Mid level

Key Responsibilities

  • •Manage the organization’s 802.1X architecture lifecycle and uptime.
  • •Design, deliver, and implement secure, scalable Active Directory solutions following security standards.
  • •Provide Tier 3 escalation and SME support for troubleshooting across DNS, DHCP, and AD, including authentication and integration with endpoints.
  • •Take technical ownership of projects by proactively managing risk, designing for resiliency, and monitoring replication and configuration interruptions.
  • •Facilitate and troubleshoot Group Policy Objects (GPO) and manage PKI systems and certificates.

Pay and Benefits

Salary: USD 125,800 - 170,200 annually
Perks:Health InsuranceDentalVision401kPaid LeaveParental Leave

Key Requirements

  • •5+ years of experience progressing from Active Directory Administrator to Sr. Engineer.
  • •In-depth understanding of Active Directory or LDAP authentication and administration.
  • •Knowledge of scripting languages such as PowerShell, Python, Bash, or Perl.
  • •Advanced familiarity with enterprise directory synchronization tools (e.g., Azure Active Directory Connect, Cisco Directory Synchronization).
  • •Experience implementing and managing enterprise architecture and deployment for Cisco ISE and 802.1X/RADIUS-based network access control.
Experience:5+ years
Skills:Written communicationVerbal communicationTeamworkSelf-starterTechnical problem-solving
Tech Stack:Active DirectoryActive Directory (AD)Directory SynchronizationScripting LanguagesPowerShellPythonBashPerlLDAPAzure Active Directory ConnectCisco Directory SynchronizationCisco Identity Services Engine (ISE)802.1XMAC Authentication Bypass (MAB)Web AuthenticationDNSDHCPIPAMTier 3DNS Server

Eligibility

Security Clearance:Top Secret/SCITop Secret SCI + Polygraph

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