Active Directory Engineer

Peraton is seeking a highly experienced Microsoft Active Directory Subject Matter Expert (SME) to support our enterprise infrastructure initiatives. This individual will lead the architecture, design, deployment, and ongoing operations of Microsoft AD services, including Azure Active Directory, Group Policy, Identity Federation, and associated authentication systems. The ideal candidate will bring deep expertise in AD forest design, domain consolidation, AD hardening, and security best practices, with a strong focus on enterprise-scale environments.

Key Responsibilities:
* Serve as the technical authority on all matters related to Microsoft Active Directory and identity services.
* Design, implement, and manage scalable and secure AD infrastructures (on-premises and cloud hybrid).
* Oversee AD migrations, upgrades, domain consolidation, and forest restructuring.
* Develop and enforce AD-related security policies and standards, including privileged access management.
* Manage integration with Azure AD, ADFS, MFA, SSO, and conditional access policies.
* Collaborate with cybersecurity teams to strengthen identity security posture.
* Conduct regular AD health checks, performance tuning, and troubleshooting.
* Document architecture, configurations, operational procedures, and support guides.
* Provide mentoring and training to junior team members and IT support staff.

* Minimum of 8 years with BS/BA; Minimum of 6 years with MS/MA; Minimum of 3 years with PhD; 12 years of relevant experience will be considered in lieu of degree.

* Experience managing enterprise Active Directory environments.
* Expert knowledge of:
-AD DS (Domain Services), DNS, DHCP, and Group Policy

-Azure Active Directory, AD Connect, and Hybrid Identity solutions
-ADFS, LDAP, Kerberos, NTLM authentication
* Strong PowerShell scripting and automation skills.
* Experience with Zero Trust principles and identity governance tools.
* Familiarity with ITIL-based service management and change control.

* Active TS/SCI clearance.

* Must have a current DoD 8570.1-M/8140 IAT Level III certification.

Desired:
* Microsoft Certified: Identity and Access Administrator Associate or similar.
* Experience with Microsoft Entra, MIM (Microsoft Identity Manager), or Okta.
* Previous experience in regulated environments (e.g., financial, healthcare, or government).

* ITIL Foundations certification.

Benefits:

Peraton offers enhanced benefits to employees working on this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and participation in an attractive bonus plan.

Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can't be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we're keeping people around the world safe and secure.