Active Directory / Entra ID & Exchange Engineer

Active Directory / Entra ID & Exchange Engineer Location: McKinney, Texas Type: Onsite | Immediate Start Experience: 8-10 yrs Role Overview We’re looking for a hands-on AD/Entra ID Engineer who can hit the ground running on day one. The candidate should be capable of installing and configuring a new AD forest/domain and providing expert-level (L3) support across Active Directory and Entra ID environments. Active Directory & Entra ID Design, build, and manage AD forests, domains, sites, and trusts. Configure and maintain FSMO roles, DFS, and domain replication. Administer AD Certificate Services, DNS, DHCP, and OU structures. Implement and enforce Group Policies (GPOs) aligned with security baselines. Manage AD groups, security permissions, and delegation of access. Perform AD backups, restores (authoritative/non-authoritative), and disaster recovery. Troubleshoot login/authentication issues involving LDAP, Kerberos, NTLM. Configure and maintain RBAC, MFA, and privileged access management. Conduct AD audits, health checks, and remediation activities. Manage AD password policies and fine-grain password policies. Develop and maintain PowerShell scripts for automation, monitoring, and reporting. Troubleshoot, configure, and maintain Entra ID integrations and Azure AD Connect. Provide L3 support for AD and Entra ID environments. Microsoft Exchange (On-Prem & Online) Install, configure, and manage Microsoft Exchange Server in hybrid and on-prem environments. Administer Exchange Online (Microsoft 365), including mailbox provisioning, distribution groups, and retention policies. Configure and troubleshoot hybrid mail flow between on-prem Exchange and Exchange Online. Manage Exchange security settings, including anti-spam, anti-malware, and transport rules. Perform database maintenance, DAG configuration, and disaster recovery for Exchange environments. Implement and maintain Exchange certificates, Autodiscover, and Outlook connectivity. Monitor and optimize Exchange performance and storage utilization. Required Skills & Experience Proven experience installing and configuring AD forests/domains from scratch. Strong expertise in Windows Server environments. Hands-on experience with Entra ID (Azure AD), RBAC, MFA, and identity integrations. Deep understanding of GPOs, DNS, DHCP, and certificate services. Strong PowerShell scripting skills for automation and reporting. Solid grasp of authentication protocols (Kerberos, NTLM, LDAP). Experience with AD/Entra ID health checks, audits, and remediation. Ability to troubleshoot complex AD replication and sync issues. Exchange Server administration experience, including hybrid deployments and Exchange Online. Familiarity with enterprise security standards and baseline policies. Nice to Have Exposure to hybrid identity solutions. Knowledge of disaster recovery planning for AD/Entra ID. Prior experience in a staff augmentation or client-facing role. Argyle Infotech