Senior Active Directory Architect | IAM & Entra

Berkley Technology Services; Manassas (VA); On-site; USD 107,000 - 198,000; Full time

Job summary

Berkley Technology Services in Manassas, VA is seeking a Sr. Systems Engineer (Active Directory) to design, implement, and manage our enterprise AD/Entra Hybrid infrastructure.

This senior role emphasizes architecture, security, and automation over routine administration. You will build scalable AD solutions, integrate IAM with Okta/Auth0 and Entra ID, and mentor teammates while collaborating with security, networking, and application development teams.

Qualifications

• Active Directory architecture: extensive, hands-on design and management of large multi-forest AD environments (5+ years).
• Experience with DNS, DCs, GPOs, Sites, Services, trusts.
• Experience with IAM integrations (Okta/Auth0, Entra ID, MFA).

Responsibilities

• Design and implement AD architecture aligned with security needs.
• Maintain AD, forests, domains, OUs, and GPOs; troubleshoot replication and DNS.
• Automate admin tasks across AD and Entra; monitor health.
• Ensure AD security through PAM, RBAC, hardening.
• Document designs, standards, and SOPs.
• Lead projects with PM, Account Mgmt, and customer teams; mentor staff.

Skills

Active Directory

DNS

GPOs

Okta

Auth0

Entra ID

MFA

RBAC

PAM

Scripting

Education

Bachelor's degree in Computer Science

Tools

Netwrix Directory Manager

Windows Server

Microsoft Entra ID

Okta

Auth0

Job description

Berkley Technology Services in Manassas, VA is seeking a Sr. Systems Engineer (Active Directory) to design, implement, and manage our enterprise AD/Entra Hybrid infrastructure.

This senior role emphasizes architecture, security, and automation over routine administration. You will build scalable AD solutions, integrate IAM with Okta/Auth0 and Entra ID, and mentor teammates while collaborating with security, networking, and application development teams.