> Markdown version of [/jobs/ext/4418433-microsoft-365-exchange-online-engineer](https://www.wearedevelopers.com/jobs/ext/4418433-microsoft-365-exchange-online-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Microsoft 365 - Exchange Online Engineer - **Company:** MSH Group - **Location:** Marysville, OH, United States - **Experience:** Expert - **Contract:** Contract - **Skills:** Microsoft Windows, Active Directory, Active Directory Federation Services, Microsoft Azure, Microsoft Outlook, Domainkeys Identified Mail, Domain-Based Message Authentication Reporting and Conformance (DMARC), Email Filtering, Microsoft Exchange Server, Hyper-V, Microsoft Security Essentials, Outlook Web App (Email Clients), Server Administration, Microsoft SharePoint, TCP/IP, Office365, Sender Policy Framework (SPF), Firewall Services Module, Network Server - **Published:** October 31, 2026 - **Apply:** https://www.dice.com/job-detail/0528c6aa-0cee-43b0-a970-813c5ffd7153 ## About the Role Experience: 8-10 years overall, including 4-5 years managing a large-scale M365 hybrid environment, * 8-10 years of overall experience, including 4-5 years managing a large-scale M365 hybrid environment * Prior Microsoft 365 administration and troubleshooting experience * Familiarity with some of: Azure, Microsoft Hyper-V, Exchange Edge server administration, and TCP/IP (OS and firewall configuration) * Ability to quickly learn, understand and explain technical information * Ownership of client issues through to resolution * Excellent time management and the ability to work in a fast-paced environment, * Admin experience with MS Teams, SharePoint and eDiscovery * Admin experience with Microsoft Purview and the Microsoft Security portal * Master's degree * Microsoft certifications ## Description MSH is hiring a senior Microsoft 365 / Exchange Online engineer for an onsite client engagement in Marysville, Ohio. You'll manage a large Exchange/M365 hybrid environment at L2-L4 level, owning mail flow, email security and escalated incidents, and you'll work directly with the client every day. The role suits hands-on Exchange engineers who are as comfortable with on-premises Exchange 2016/2019 servers as with Exchange Online., * Communicate directly with the client and manage customer relationships with a strong onsite presence * Manage the Microsoft 365 environment at L2, L3 and L4 levels, including Exchange servers and their roles * Own detailed mail flow across the Exchange/O365 hybrid environment * Configure and troubleshoot the connectors available in Exchange and Microsoft 365 * Administer M365 mail filtering/hygiene, Exchange Edge servers and Active Directory * Support SSO with M365, including ADFS * Support email clients including Microsoft Outlook, MS Teams and OWA * Configure and troubleshoot mail archiving, anti-spam, SPF, DKIM and DMARC * Resolve client connectivity and service availability issues within the organization's span of control * Manage services using supplier and client ITIL processes and practices * Adhere to quality standards, regulatory requirements and company policies * Support on-call escalations and handle incident and problem management * Resolve tickets independently and meet the team's agreed SLAs for ticket volume and resolution time * Drive a positive customer experience and CSAT through first-call resolution and minimal rejected or reopened cases * Contribute to knowledge base updates, train new team members, coach analysts and take part in interviews and hiring drives * Contribute to proposals and service improvement plans