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# Active Directory Engineer

- **Company:** TEKSYSTEMS INC.
- **Location:** Chicago, IL, United States
- **Experience:** Expert
- **Salary:** $20,800.0 - $145,600.0
- **Contract:** Temporary contract
- **Skills:** Microsoft Windows, Active Directory, Adobe InDesign, Domain Controllers, User Authentication, Authentication Protocols, Digital Architecture, Domain Name System (DNS), Windows Servers, Windows PowerShell, Scripting
- **Published:** June 12, 2026
- **Apply:** https://www.dice.com/job-detail/0db0294d-c352-4443-b710-70b6c23c5fa9

## About the Role

1) AD expertise - 5_ years working on hardening, consolidation, and tiering projects
2) Windows engineering, 7+ years of experience in Active Directory engineering/administration
Deep experience with:

o AD solution design and deployment

o AD hardening and security best practices

o Domain services, replication, and multi-site environments
Hands-on experience with:

o AD tiering models (Tier 0 / Tier 1 / Tier 2 concepts)

o Group Policy Management (GPOs)

o Windows Server administration
Strong scripting experience with PowerShell
Experience supporting or implementing:

o Privileged access controls / PAM integrations

o Service account management and security
Knowledge of DNS, authentication protocols, and AD dependencies
Strong collaboration skills and ability to work across technical and business teams
Expertise lending to a solutions-oriented approach; not a task-driven role

## Description

We are seeking an Active Directory Engineer to support a critical Active Directory (AD) Hardening and Consolidation initiative. This project is focused on improving security posture, reducing cross-site risk, and implementing best practices across a complex, multi-site environment.
This individual will play a key role in design, validation, and implementation of AD enhancements, working closely with teams across IT to ensure minimal business impact.
Key Responsibilities
Lead and contribute to Active Directory hardening and tiering initiatives
Design and implement security best practices across AD, including:

o AD tiering strategy

o Privileged access controls

o Group Policy (GPO) design, cleanup, and enforcement
Support AD consolidation and infrastructure changes across ~90 distributed sites
Perform impact analysis, testing, and validation prior to rollout of changes
Partner with application owners and business stakeholders to ensure:

o Awareness of AD changes

o Proper testing and minimal disruption
Assist in server builds, domain controller updates, and decommissioning legacy components
Work cross-functionally with network teams to validate dependencies (e.g., redundancy, connectivity)
Evaluate and integrate Privileged Access Management (PAM) controls
Manage and optimize:

o Service accounts

o Authentication flows and dependencies
Develop automation using PowerShell scripting to support implementation and standardization
Document architecture, processes, and security improvements


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