Active Directory(AD) Administrator

Position: Active Directory(AD) Administrator - Single Round Interview

Location: Miami or west palm beach FL (Onsite)

Duration: Long Term

Experience: 6+ years

Visa: OPT-EAD, -EAD, L2-EAD & USC

Job Summary:

We are looking for an experienced Active Directory (AD) Administrator to support and maintain enterprise Active Directory infrastructure in a fully onsite environment. The ideal candidate will have strong hands-on experience with Microsoft Active Directory, Group Policy, DNS, DHCP, Windows Server, PowerShell, identity management, and enterprise security.

The candidate will be responsible for day-to-day administration, troubleshooting, maintenance, security, and optimization of Active Directory and related Microsoft infrastructure.

Key Responsibilities:

- Administer and support Microsoft Active Directory Domain Services (AD DS) in a large enterprise environment.

- Manage Active Directory users, groups, computers, organizational units (OUs), and security permissions.

- Create, modify, disable, and remove user and computer accounts based on established procedures.

- Manage Group Policy Objects (GPOs) and troubleshoot Group Policy-related issues.

- Perform Active Directory domain, forest, and replication administration and troubleshooting.

- Monitor and troubleshoot AD replication, authentication, Kerberos, LDAP, and domain controller issues.

- Support Domain Controllers, including installation, configuration, maintenance, upgrades, and troubleshooting.

- Manage DNS and DHCP services associated with the Windows/AD environment.

- Troubleshoot user authentication, login, password, account lockout, and access-related issues.

- Manage security groups, distribution groups, nested group memberships, and delegated permissions.

- Perform Active Directory cleanup, including stale users, computers, groups, and inactive objects.

- Support Active Directory migrations, domain consolidations, and organizational changes as required.

- Develop and maintain PowerShell scripts to automate AD administration and repetitive operational tasks.

- Support Microsoft Entra ID (Azure AD) integration and hybrid identity environments.

- Troubleshoot Azure AD Connect / Entra Connect synchronization issues.

- Assist with identity and access management activities, including MFA, SSO, conditional access, and privileged access.

- Support enterprise security initiatives related to Active Directory and Windows infrastructure.

- Implement and maintain appropriate least-privilege access controls.

- Assist with auditing and remediation of AD security vulnerabilities and configuration issues.

- Monitor AD health and proactively identify infrastructure issues.

- Participate in patching, upgrades, disaster recovery, and business continuity activities.

- Maintain accurate documentation for AD architecture, configurations, procedures, and operational processes.

- Work with infrastructure, networking, cybersecurity, application, and service desk teams to resolve complex issues.

- Participate in incident, problem, and change management processes.

- Provide production support and participate in escalation/on-call activities when required.

Required Skills:

- Active Directory / AD DS

- Windows Server 2016/2019/2022

- Group Policy (GPO)

- DNS / DHCP

- PowerShell scripting

- Active Directory replication

- Domain Controllers

- Kerberos / LDAP

- User and Group Administration

- OU and Security Group Management

- Windows authentication and troubleshooting

- Microsoft Entra ID / Azure AD

- Azure AD Connect / Entra Connect

- Hybrid Identity

- Microsoft 365 identity integration

- Strong troubleshooting and problem-solving skills.

Know anyone who might be interested?

Kindly let me know if you have any Suitable Candidates available for this opportunity.

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