Microsoft 365 Messaging Architect

This hybrid role is for a senior cloud architect with deep expertise in Microsoft 365 security and enterprise messaging solutions focused on designing hardening and modernizing collaboration platforms for large global clients while ensuring resilient operations risk reduction and efficient migration to cloud messaging ecosystems within day shift schedules and no travel expectations., * Architect secure and scalable Microsoft 365 messaging solutions that align with enterprise business goals and compliance requirements while optimizing performance and cost efficiency for global users.

• Design detailed end to end architectures for Microsoft 365 security capabilities that reduce cyber risk enhance data protection and support sustainable governance models for large complex environments.
• Lead complex Microsoft 365 messaging migration initiatives from legacy on premises or third party platforms ensuring minimal downtime robust validation and smooth change management for business stakeholders.
• Collaborate closely with security operations identity management and networking teams to define integrated controls and policies that strengthen the overall cloud security posture for messaging workloads.
• Develop reference architectures technical standards and configuration baselines for Microsoft 365 security and messaging that can be reused across multiple programs and client engagements.
• Guide project teams in resolving deep technical issues related to mail flow hybrid connectivity federation authentication threat protection and compliance within the Microsoft 365 ecosystem.
• Perform rigorous assessments of existing messaging and collaboration landscapes to identify technical debt security gaps and opportunities for modernization using Microsoft 365 capabilities.
• Create detailed technical documentation including solution designs configuration runbooks migration strategies and operational guidelines to enable consistent implementation and support.
• Engage with business and product owners to translate functional needs such as collaboration patterns retention and legal hold into secure and resilient Microsoft 365 messaging designs.
• Optimize security configurations for areas such as identity protection information protection threat management and device access to balance risk mitigation with user productivity.
• Provide advanced technical guidance during incidents or major changes within the Microsoft 365 messaging and security stack ensuring swift root cause analysis and durable remediation.
• Mentor engineering and operations staff on Microsoft 365 messaging security concepts patterns and best practices to build long term organizational capability and reduce dependency on external expertise.
• Align cloud messaging and security solutions with the company sustainability and social impact goals by promoting secure digital collaboration reduced physical resource usage and improved accessibility.

• Require extensive hands on experience designing and implementing Microsoft 365 security controls including identity protection data loss prevention encryption threat management and compliance features in large enterprises.
• Require strong background in Microsoft 365 messaging including Exchange online hybrid configurations mail routing public folders shared mailboxes and integration with collaboration tools such as teams.
• Require proven experience planning and executing complex Microsoft 365 messaging migration programs from legacy environments using industry standard tools with emphasis on coexistence user experience and data integrity.
• Require deep understanding of authentication and authorization concepts such as modern authentication conditional access multifactor mechanisms and role based access models as applied to Microsoft 365.
• Require solid knowledge of enterprise networking and DNS concepts that influence Microsoft 365 messaging delivery mail hygiene high availability and disaster recovery strategies.
• Nice to have familiarity with scripting and automation using powershell or similar tools to streamline administrative tasks reporting security enforcement and migration operations within Microsoft 365.
• Nice to have experience working in hybrid work models with distributed teams using agile practices to deliver incremental value while maintaining high levels of operational stability and security.
• Nice to have background in collaborating with risk legal and compliance stakeholders to interpret regulatory requirements and translate them into practical Microsoft 365 policies and configurations.
• Nice to have exposure to integration between Microsoft 365 and third party security solutions such as secure email gateways cloud access security brokers or security information and event management tools.
• Nice to have experience presenting complex Microsoft 365 architectures and risk tradeoffs in clear nontechnical language to senior stakeholders to support informed decision making and long term planning.