MS Exchange/MS 365 Administrator

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NAVA Software is looking for a MS Exchange/MS 365 Administrator

Details:

MS Exchange/MS 365 Admin

Location: Houston TX - 4 days/week

Duration: CTH

Role Overview

We are seeking a highly skilled and experienced Microsoft Exchange & Microsoft 365 Administrator to manage, support, and optimize enterprise messaging and collaboration environments. The ideal candidate will possess strong expertise in Microsoft Exchange (On-Premises & Online), Microsoft 365, Azure, Microsoft Entra (Azure AD), and Windows Server/Operating System administration.

This role requires hands-on technical expertise, strong troubleshooting capabilities, and experience managing hybrid environments while ensuring security, availability, and performance of enterprise systems.

Key Responsibilities

Messaging & Collaboration Administration

• Administer and support Microsoft Exchange Server (On-Premises) and Exchange Online environments.
• Manage hybrid Exchange deployments, migrations, and coexistence configurations.
• Configure and maintain mail flow, connectors, transport rules, and security policies.
• Perform mailbox administration, retention policies, archiving, and compliance management.
• Troubleshoot complex email delivery, authentication, and performance issues.

Microsoft 365 Administration

• Manage and support Microsoft 365 services including:

Exchange Online

Teams

SharePoint Online

OneDrive

• Handle tenant configuration, licensing, and service health monitoring.
• Implement governance, compliance, and data protection policies.

Azure & Microsoft Entra (Azure AD)

• Administer Microsoft Entra ID (Azure Active Directory) including:

Identity and access management

Conditional Access policies

MFA implementation

SSO integrations

• Manage directory synchronization using Azure AD Connect.
• Support Azure-based identity and security solutions.

Windows System Administration

• Administer Windows Server environments and Active Directory infrastructure.
• Manage Group Policies (GPO), DNS, DHCP, and domain services.
• Perform patching, upgrades, and system maintenance.
• Monitor system health, performance, and security compliance.

Security & Compliance

• Implement Microsoft security best practices across M365 and Azure environments.
• Manage Defender, anti-spam, anti-phishing, and data loss prevention (DLP) policies.
• Ensure compliance with organizational security standards.

Required Skills & Qualifications

• Strong experience with Microsoft Exchange (On-Prem & Online) administration.
• Hands-on expertise with Microsoft 365 tenant administration.
• Experience managing Hybrid Exchange environments.
• Solid knowledge of Microsoft Entra ID (Azure AD) and identity management.
• Experience with Microsoft Azure administration.
• Strong Windows Server & Active Directory administration skills.
• Experience with PowerShell scripting and automation.
• Knowledge of email security, compliance, and governance solutions.
• Excellent troubleshooting and analytical skills.