M365 Engineer – Exchange

Sharp Decisions; Charlotte (NC); Hybrid; USD 90,000 - 120,000; Full time

Job summary

Sharp Decisions is seeking an Exchange Administration professional to manage Exchange Online and on-premises environments, ensuring secure mail flow and hybrid configurations.

The role involves implementing EOP and Defender for Office 365 policies, plus advanced troubleshooting of mail transport and compliance. Strong PowerShell, AD, and identity skills are required to support secure, compliant communications.

Qualifications

• Extensive Exchange Online and on-premises administration expertise.
• Experience troubleshooting mail flow, hybrid environments, and transport services.
• Strong knowledge of governance and SaaS integrations (e.g., Jira, ServiceNow).
• Experience with Microsoft Purview compliance, retention, and information governance.
• Familiarity with EOP, Defender for Office 365, and email security best practices.
• Knowledge of Entra ID, SSO, Conditional Access, and hybrid identity solutions.
• PowerShell scripting for automation and troubleshooting.
• Solid understanding of AD, DNS, GPO, and certificate management.
• Experience with security, audit, and risk controls in regulated environments.
• Strong documentation and communication skills.

Responsibilities

• Manage and maintain Exchange Online and on-prem Exchange environments including mail flow and hybrid configurations.
• Implement and maintain EOP and Defender policies; address anti-spam, anti-phishing, Safe Links, and Safe Attachments.
• Troubleshoot mail delivery, transport rules, and compliance issues.
• Manage mail routing, connectors, domains, DKIM/DMARC/SPF, and hybrid mail flow.
• Administer shared, resource, and distribution mailboxes and Microsoft 365 Groups.
• Perform advanced troubleshooting of mail flow, hybrid connectivity, directory sync, and client connectivity.

Skills

Exchange administration

Mail flow troubleshooting

PowerShell scripting

Active Directory

DNS

Hybrid identity

SSO / Conditional Access

Documentation

Communication

Change management

Job description

Third Party: No third-party candidates allowed

Exchange Administration

• Manage and maintain Exchange Online and on-prem Exchange environments, including mail flow, hybrid configurations, and security hardening.
• Implement and maintain Exchange Online Protection (EOP) and Microsoft Defender for Office 365 policies, including anti-spam, anti-phishing, Safe Links, and Safe Attachments.
• Troubleshoot mail delivery, transport rules, and compliance issues.
• Manage mail routing, transport rules, connectors, accepted domains, DKIM, DMARC, SPF, and hybrid mail flow configurations.
• Administer shared mailboxes, resource mailboxes, distribution groups, Microsoft 365 Groups, and mail-enabled security groups.
• Perform advanced troubleshooting of mail flow, hybrid connectivity, directory synchronization, transport services, message trace analysis, and client connectivity issues.

Qualifications

• Deep expertise in Exchange Online and on-prem Exchange administration.
• Experience troubleshooting mail flow, hybrid Exchange environments, transport services, connectors, and message delivery issues.
• Strong knowledge of Microsoft Teams governance, lifecycle management, and SaaS integrations such as Jira and ServiceNow.
• Experience supporting and troubleshooting Microsoft Purview compliance, retention, and information governance solutions.
• Familiarity with Exchange Online Protection (EOP), Microsoft Defender for Office 365, and email security best practices.
• Working knowledge of Microsoft Entra ID, Single Sign-On (SSO), Conditional Access, and hybrid identity solutions including Microsoft Entra Connect.
• Proficiency in PowerShell scripting for automation and troubleshooting.
• Solid understanding of Active Directory, Group Policy, DNS, certificate management, and hybrid identity architectures.
• Experience with network and server administration fundamentals.
• Knowledge of general disaster recovery validation methods and willingness to assist in testing efforts.
• Comfortable working within a strict, heavily vetted Change Management process.
• Ability to support security, audit, and risk control requirements within a regulated environment, with familiarity in common industry security frameworks.
• Strong documentation skills for platform configurations and user instructions.
• Excellent troubleshooting skills and ability to take ownership of tasks from start to finish.
• Exceptional communication and problem-solving skills; able to clearly articulate initiatives and solutions.
• Highly organized with strong attention to detail.
• Self-driven, proactive, and capable of adapting quickly to changing business and technology requirements.