Position Overview:The Collaboration & Messaging Solutions Engineer is responsible for the design, engineering, optimization, and operational support of modern enterprise collaboration and messaging platforms. This role serves as a technical subject matter expert across Microsoft 365 collaboration technologies, including Exchange Online, Microsoft Exchange Server (On-Premises), SMTP relay services,Identity-integrated collaboration services, automation, and modern workplace productivity solutions.The role partners closely with Infrastructure, Security, End User Computing, Architecture, and Business Technology teams to deliver scalable, secure, and user-centric collaboration services aligned with enterprise strategy. The engineer drives modernization initiatives, supports service reliability and lifecycle management, mentors junior team members, and contributes to continuous improvement across collaboration capabilitiesThis is a maternity cover role.Key Responsibilities:Design, implement, maintain, and optimize enterprise collaboration and messaging platforms including Microsoft 365, Exchange Online, Microsoft Exchange Server (On-Premises), SMTP relay services, shared mailbox solutions, and cloud-based file collaboration tools.Administer and support hybrid Exchange environments, including integrations between Exchange Online and on-premises Exchange infrastructure for internal SMTP relay and mail flow services.Manage enterprise mail routing, connectors, transport rules, authentication methods, and secure messaging configurations.Lead technical assessments, architecture reviews, and solution design discussions for collaboration-related initiatives and projects.Translate business and technical requirements into scalable, secure, and supportable collaboration solutions.Drive modernization initiatives across collaboration technologies, automation, governance, compliance, and service delivery.Develop and maintain automation scripts and operational tooling using PowerShe