Active Directory Engineer

*Description*
Overview
We are seeking a 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
Qualifications
* 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
*Skills*
Active directory
*Top Skills Details*
Active directory
*Additional Skills & Qualifications*
Preferred Qualifications
* Familiarity with PKI / certificate services and secure communications
* Exposure to enterprise PAM tools
* Experience working in regulated or security-sensitive environments
* Experience in infrastructure transformation or consolidation initiatives
*Experience Level*
Intermediate Level
*Job Type & Location*This is a Contract position based out of Chicago, IL.
*Pay and Benefits*The pay range for this position is $10.00 - $70.00/hr.
Eligibility requirements apply to some benefits and may depend on your job
classification and length of employment. Benefits are subject to change and may be
subject to specific elections, plan, or program terms. If eligible, the benefits
available for this temporary role may include the following:

* Medical, dental & vision
* Critical Illness, Accident, and Hospital
* 401(k) Retirement Plan - Pre-tax and Roth post-tax contributions available
* Life Insurance (Voluntary Life & AD&D for the employee and dependents)
* Short and long-term disability
* Health Spending Account (HSA)
* Transportation benefits
* Employee Assistance Program
* Time Off/Leave (PTO, Vacation or Sick Leave)
*Workplace Type*This is a fully onsite position in Chicago,IL.
*Application Deadline*This position is anticipated to close on Aug 7, 2026.

About TEKsystems


We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

About TEKsystems and TEKsystems Global Services


We're a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We're a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We're strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We're building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

*San Francisco Fair Chance Ordinance:* Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

*Massachusetts Lie Detector:* It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

*Use of Artificial Intelligence (AI):* We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.