Systems Engineer (Microsoft Exchange Focus)

Key Responsibilities

• Administer and support Microsoft Exchange Online and hybrid Exchange environments
• Manage mail flow, connectors, transport rules, shared mailboxes, distribution groups, and retention policies
• Monitor Exchange performance, availability, and capacity planning
• Troubleshoot complex email delivery, authentication, and mailbox issues
• Perform mailbox migrations, upgrades, and system maintenance activities
• Support Microsoft 365 services including Outlook, Teams, and Azure AD integrations
• Manage Exchange security configurations including SPF, DKIM, DMARC, anti-spam, and anti-phishing protections
• Maintain high availability and disaster recovery solutions for messaging systems
• Configure and support mobile device access and email security policies
• Implement automation and scripting solutions using PowerShell
• Ensure messaging systems comply with organizational security standards and regulatory requirements
• Support eDiscovery, retention, archiving, and legal hold requirements
• Participate in incident response and troubleshooting related to email security threats
• Maintain system documentation, policies, and operational procedures
• Work closely with Infrastructure, Security, and Help Desk teams
• Provide Tier 3 escalation support for messaging-related incidents
• Participate in on-call support rotations as needed
• Assist with strategic planning and technology improvements

Qualifications

• Bachelor's degree in Information Technology, Computer Science, or related field preferred
• 5+ years of Systems Engineering experience with strong Microsoft Exchange expertise
• Extensive experience with: Exchange Online, Hybrid Exchange environments, Microsoft 365 administration, Active Directory, Azure AD / Entra ID, PowerShell scripting
• Strong understanding of mail routing, SMTP, DNS, SPF, DKIM, and DMARC
• Experience supporting enterprise email migrations and troubleshooting complex messaging issues
• Preferred Certifications: Microsoft Certified: Messaging Administrator Associate, Microsoft 365 Certified: Enterprise Administrator Expert, Azure Administrator Associate, MCSE (legacy certifications acceptable)