Senior Active Directory & Hybrid Identity Engineer

Hybrid (4 days onsite / 1 day remote) in Wilmington, DE, Manassas, VA, or Urbandale, IA.

We expect every member of our team to actively integrate AI tools into their daily work, not as a substitute for expertise, but as a natural extension of it. Candidates who bring genuine curiosity about AI, and a demonstrated habit of using it to work smarter, will find themselves at home here.

The Sr. Systems Engineer (Active Directory) is an experienced Active Directory specialist to design, implement, and manage our enterprise-wide Active Directory /Entra Hybrid infrastructure. This is a highly technical, senior-level position requiring expertise in AD architecture, security best practices, and automation. This is not an administrator role. The ideal candidate will be a subject matter expert in AD technologies, with a proven track record of designing scalable, secure, and resilient AD solutions for complex environments. Experience with Active Directory Integrated DNS and Domain Controller administration is essential. This position is on the Platform Identity Management team with a focus on owning Active Directory as a Source of Truth (SOT) for Identity. This team is also responsible for Entra and Auth0 identity services, AD CS PKI, and Identity authN / authZ .

Systems Planning and Implementation: Serve as the enterprise subject matter expert (SME) for Active Directory architectural designs, ensuring they align with business needs and security requirements.

AD Management: Develop, implement, and maintain the AD architecture, including forests, domains, organizational units (OUs), and Group Policies (GPOs). Perform advanced troubleshooting and root cause analysis for complex AD infrastructure issues, including replication, DNS, and authentication.

Scripting/Automation : Utilize DevOps and Platform Engineering principles to support the automation of administrative tasks across the Active Directory and Entra environment. Ensures critical AD roles and Entra Identity services have health monitoring and alerting.

Security Standards: Ensure the security of the AD environment by implementing best practices for authentication, authorization, and auditing. Perform periodic Domain Controller security hardening.

Documentation: Develop and maintain comprehensive documentation, including architectural designs, configuration standards, and standard operating procedures (SOPs).

Project and cross-matrix Leadership: Lead projects, working directly with Project Management, Account Management, and Customer teams. Collaborate and consult with other Berkley Technology Services teams, including security, networking, and application development to ensure seamless integration and operational efficiency.

Mentorship: Mentor and cross-train technical staff, peers, and subordinate team members in AD/ IAM technologies and best practices.

ITIL Standards: Participate and adhere to defined ITIL standards for incident, request, and change management., This person will be the top Active Directory Subject Matter Expert (SME) at Berkley, responsible for domain controller engineering and troubleshooting, Active Directory security hardening, hybrid AD/Entra identity support, and helping prepare the environment for future Active Directory expansion into Azure.

DevOps Planning Auditing Curiosity Scripting Hardening Operations Leadership Management Automation Mentorship Governance Resilience Group Policy Authentications Windows Servers Microsoft Azure Computer Science Active Directory Server Hardening Operating Systems Change Management Disaster Recovery Account Management Project Management Business Valuation Scalability Design Domain Controllers Medical Monitoring Workflow Management Root Cause Analysis Systems Engineering Information Systems Time Off Management Information Technology Full Stack Development Azure Active Directory Operational Efficiency, Product Family Engineering Verbal Communication Skills Standard Operating Procedure Business Continuity Planning Privileged Access Management Security Requirements Analysis Identity And Access Management Role-Based Access Control (RBAC) Troubleshooting (Problem Solving) Lightweight Directory Access Protocols Information Technology Infrastructure Library

At least 5 years, Active Directory Architecture: Extensive, hands-on experience in designing, implementing, and managing large, complex, multi-forest Active Directory environments (Minimum 5 years of experience) . Deep expertise in AD components such as DNS, DC, GPOs, Sites and Services, and trusts.

Netwrix Directory Manager (NDM): Proven experience implementing, configuring, and managing NDM (or similar products ) to provide a policy-based delegated AD administration and governance model within a least -privilege d security framework.

Windows Platforms: In-depth knowledge of Windows Server operating systems (2016, 2019, 2022, 2025) and their roles within an enterprise environment.

Security Expertise: Strong understanding of AD security best practices, including privileged access management (PAM), role-based access control (RBAC), and security hardening techniques. Previous experience with server hardening within an AD environment is preferred.

Identity & Access Management (IAM): Ability to integrate Active Directory with IAM solutions aligned with Zero Trust, identity governance, and adaptive authentication concepts . Previous experience with Okta/Auth0, Microsoft Entra ID, MFA , LDAPS preferred.

Communication: Excellent written and verbal communication skills, with the ability to document and convey complex technical concepts to both technical and non-technical audiences.

Disaster Recovery: Experience with disaster recovery and business continuity planning for AD and its role within the organization’s technology stacks.

AI Tools: Demonstrate comfort using AI-assisted tools in a professional context; approach AI as a standard part of modern workflow rather than a specialized or optional capability. Demonstrated comfort using AI-assisted tools in a professional context;

approaches AI as a standard part of modern workflow rather than a specialized

or optional capability

Education Requirement

Bachelors degree in Computer Science, Information Technology, Information Systems, or a related discipline.

Equivalent experience and/or alternative qualifications will be considered., Active directory, Azure, Domain Controllers, Microsoft Entra ID (Azure AD), Hybrid Identity, Microsoft Entra Connect, Active Directory Security Hardening, Identity & Access Management (IAM), LDAP / LDAPS, Conditional Access

Top Skills Details

Active directory,Azure,Domain Controllers,Microsoft Entra ID (Azure AD),Hybrid Identity,Microsoft Entra Connect,Active Directory Security Hardening,Identity & Access Management (IAM),LDAP / LDAPS,Conditional Access, Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.

The company offers a competitive compensation plan and robust benefits package for full time regular employees which for this role include:

Base Salary Range: $107,000-$198,000

Benefits: Health, Dental, Vision, Life, Disability, Wellness, Paid Time Off, 401(k) and Profit-Sharing plans.

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., Were 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. Were 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. Were strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. Were 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.