Mhilan Tamayo Email & Phone Number

Messaging Systems Design and Implementation: - Expertise in designing, testing, and implementing migration procedures for Microsoft Exchange on-premises to Exchange Online or between Exchange Online tenants. Successfully completed email migrations: Exchange 2013 on-prem to Exchange Online (2021-2023), Exchange 2007 on-prem to Exchange 2013 (2014-2016), several tenant-to-tenant migrations using Quest On Demand.Email Security and Authentication: - Extensive experience managing and configuring email security solutions such as Proofpoint, Trend Micro, Cisco IronPort, and Exchange Online Protection. Proficient in implementing and managing email authentication protocols including SPF, DKIM, and DMARC, and deploying TLS encryption for secure email communications.Microsoft Exchange Administration: - In-depth knowledge of providing end-to-end support for Microsoft Exchange 2019, 2013, 2010, 2007, 2003 servers, and Exchange Online (M365). Proficient in managing Exchange Client Access Services such as ActiveSync, Outlook Web Access, EWS, IMAP, ECP, and Exchange PowerShell. Expertise in monitoring and managing Exchange databases, ensuring high availability across primary and secondary sites.Analytical and Problem-Solving Skills:- Demonstrated ability to perform detailed analysis of current system designs, identify gaps, and provide strategic recommendations to mitigate risks. Excellent problem-solving skills with a focus on troubleshooting service-related issues and coordinating with external vendors for resolution.Documentation and Disaster Recovery: - Experienced in preparing and maintaining comprehensive documentation, support manuals, and security policies for messaging systems. Conducted disaster recovery (DR) testing to ensure email systems can support real DR scenarios, enhancing system reliability and business continuity.

- Selected to lead the technical onboarding of a new client in Australia, based on outstanding performance and expertise in messaging technologies.- Performed and led tasks involved in Messaging & Collaboration, including deploying and updating new Messaging and Collaboration applications in the production environment.- Acted as third-level support for managing incidents, accepting transfer and elevation of incidents, tracking progress, and providing resolution.- Led pilot projects for new accounts as a subject matter expert or account technical lead.- Led technical training and developed training curriculum for the Messaging & Collaboration technology area.

Provides first-level telephone and email technical support for all Lawson employees

Systems Engineer for Small and Medium Business