Sr Systems Engineer, Global Messaging Services

:Manages and maintains the various Microsoft Exchange systems in use at Thermo Fisher. This includes Exchange Online and Exchange 2013, 2016, and 2019 on-premise environments.Manages the Microsoft Teams environment; will configure policies, deploy custom and third-party apps, and provide general support.Maintains the globally distributed cloud and on-premise appliances that support our enterprise Messaging systems.Mailbox migrations from on-premise to Office 365 and Tenant to Tenant.Advanced message tracking and troubleshooting mail routing issues.Fulfills work requests and resolves issues using our corporate Service Desk Management tool for work prioritization and tracking.Resolves user requests and issues promptly, communicating to colleagues as work progresses and once the incident or request is resolved.Supports Azure application registration and modern auth permissions.Manage and maintain email hygiene on the corporate gateway.Email Fraud Defense (EFD) - DMARC, DKIM, and SPF for email authentication and security.Participates in the 24x7 on-call rotation, responding to alerts from our Global IT Operations Center or Major Incident Managers for issues within the Messaging team's scope. Preferred background:Minimum of Eight years of professional experience administering and maintaining Microsoft Exchange Online\Office 365 or Microsoft Teams in a medium to enterprise organization.Working knowledge of current Microsoft Office 365 licensing.Ability to manage new projects and handle them from start to finish with little direction.An associate's degree or equivalent in Information Systems, Computer Science, or another technical field is desired. Five years of additional direct and applicable professional experience in the IT field may be substituted totaling 13 years of relevant experience.Excellent customer service skills with a proven ability to work calmly through high-pressure situations with a wide range of executives and colleagues needing help.Excellent troubleshooting skills with a proven ability to logically work through a problem to its successful resolution with cross-functional teams.Solid communication skills, both written and verbal. Must be able to translate technical problems and their solutions into clear and concise explanations that are understandable by end users with little or no technical background.