Overview The Senior Messaging Engineer is responsible for operational support of and project initiatives involving Sidley’s messaging environment. This senior position provides maintenance, support, and enhancements of the messaging systems including Exchange, Outlook, MDM Solutions, Proofpoint, Email archiving, Active Directory & Application Performance Management. Candidates should be team players with excellent communication skills and have the ability to manage a multitude of assignments independently. Responsibilities Serve as subject matter expert for email client software such as Microsoft Office 365 Professionally coordinate, collaborate with and assist Customer Suppor