Sr Systems Engineer, Global Messaging Services

at  Thermo Fisher Scientific

DESCRIPTION

A Senior Systems Engineer for the Global Messaging Services team performs all activities related to managing Microsoft Exchange and Microsoft Teams in a large enterprise hybrid environment. Duties include but are not limited to the administration of MS Exchange objects, mail flow troubleshooting, on-premise Exchange server maintenance and patching, and creating knowledge base/instructional documentation. Responds to alert and alarm conditions to investigate and repair immediate break/fix issues, accepts issue escalations from other support teams, and works on assigned projects.

• 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.