Senior Active Directory (AD) Engineer

Title: Senior Active Directory (AD) Engineer Location: Houston, TX (Hybrid)

Job Summary We are looking for an experienced Senior Active Directory Engineer to manage and secure our AD environment, with a focus on root-level permissions management. The ideal candidate will have a strong understanding of AD architecture, security best practices, and automation tools to ensure the integrity, security, and efficient operation of our directory services in a critical infrastructure environment.

Responsibilities

• Manage and configure Active Directory forests, domains, and organizational units (OUs).
• Modify and delegate permissions at the forest and root levels, ensuring secure access controls.
• Design and implement permission structures aligned with security best practices and the principle of least privilege.
• Perform complex permission migrations and modifications with minimal service disruption.
• Automate permission changes and audits using PowerShell or other scripting tools.
• Troubleshoot and resolve permission-related issues, including access denied errors.
• Collaborate on security policies, audit configurations, and compliance standards related to AD.
• Apply Group Policy best practices to influence permissions and security settings.
• Integrate Active Directory into cloud environments for hybrid single sign-on (SSO) and multi-factor authentication (MFA).
• Manage domain log-ins, group policies, and access controls for internal enterprise applications.
• Utilize Microsoft Entra ID (Azure AD), Intune, and ServiceNow CMDB for governance, asset management, and compliance.
• Maintain AD backup, recovery, and disaster recovery procedures.
• Follow strict change management, security, testing, documentation, and operational procedures in a highly regulated environment.

Required Skills

• 8+ years of hands-on experience in Active Directory management, including schema, replication, and trust relationships.
• Expertise in managing permissions at the forest and root levels, with deep knowledge of ACLs, security descriptors, and inheritance.
• Strong understanding of permissions, security best practices, and the principle of least privilege.
• Experience integrating AD into cloud environments for hybrid SSO and MFA solutions.
• Familiarity with Microsoft Entra ID (Azure AD), Intune, and ServiceNow CMDB for governance and compliance.
• Knowledge of AD security, audit policies, and compliance standards.
• Strong scripting skills, particularly with PowerShell, for AD queries, reporting, validation, automation, and auditing.
• Experience with AD backup, recovery, and disaster recovery procedures.
• Expertise in troubleshooting and problem-solving related to permissions issues.
• Excellent written and verbal communication skills, including documentation, change requests, and cross-team coordination.
• Nice to have certifications: such as CISSP, CISM, CompTIA Security+, CEH, or relevant Microsoft certifications.

Thanks & Regards Anusha Murugummala ComTec Information Systems 5525 North MacArthur Blvd., Suite 650 Irving, TX 75038 Direct number: +1 Internal Extension: 408

• 30+ years of excellence* *Cloud**Mobile**IoT**Emergency Management Suite**Offshore Development*