Active Directory / Office 365 / Exchange :: Dallas, TX (Onsite) :: Contract

Job Title : Active Directory / Office 365 / Exchange

Location : Dallas, TX (Onsite)

Duration : Long Term Contract

Description:

• We are looking to hire a highly skilled Subject Matter Expert (SME) with deep hands on experience in Active Directory (AD), Office 365 (O365), and Microsoft Exchange.
• The ideal candidate will have strong scripting and automation skills-especially in PowerShell-and will act as a technical expert for identity, messaging, and cloud collaboration platforms.
• This role involves troubleshooting, designing solutions, improving automation, and supporting complex enterprise environments.

Key Responsibilities:

Active Directory

• Design, manage, and support AD infrastructure (users, groups, sites, policies, authentication).
• Troubleshoot domain controller, replication, GPO, and identity issues.
• Manage AD security, access controls, and best practice hardening.

Office 365

• Administer and support O365 services, including Exchange Online, Teams, SharePoint, and Azure AD.
• Manage licenses, security groups, mail flow, and compliance settings.
• Support identity synchronization (AAD Connect, Entra ID).

Microsoft Exchange

• Administer hybrid or cloud-only Exchange environments.
• Troubleshoot mailbox issues, transport problems, and connectivity issues.
• Support migration projects (on prem cloud).

Scripting & Automation

• Develop and maintain PowerShell scripts for automation, reporting, and administration.
• Build automated workflows to reduce manual tasks and improve efficiency.
• Create documentation, runbooks, and reusable toolsets.

Operations & Support

• Act as an escalation point for complex identity, messaging, or O365 problems.
• Perform root cause analysis and propose long-term fixes.
• Follow ITIL practices for incident, change, and problem management.

Required Skills & Experience:

• 7+ years of hands-on experience with Active Directory, Office 365, and Exchange.
• Strong PowerShell scripting skills (loops, APIs, modules, automation).
• Deep understanding of identity management, security, permissions, and access control.
• Experience with hybrid identity setups (Azure AD Connect, Entra ID).
• Solid understanding of networking basics (DNS, TCP/IP, certificates).
• Familiarity with modern authentication (OAuth, MFA, Conditional Access).

Preferred Qualifications:

• Microsoft certifications (e.g., MS-102, AZ-104, SC-300, or older MCSE/MCITP).
• Experience with:
  • Email migrations (on prem to O365)
  • Intune/endpoint management
  • Automation platforms (Azure Automation, Logic Apps)
  • Power Platform (bonus)

Soft Skills:

• Strong communication-able to explain complex concepts in simple terms.
• Problem-solving mindset and ability to work independently.
• Ability to collaborate with cross-functional teams.
• Detail-oriented with strong documentation habits.