
IT Help Desk Manager
Sean Guevara-Flood is an information technology manager whose work spans infrastructure, cybersecurity, and operational systems. His background in Microsoft 365 administration, endpoint security through Microsoft Defender and Intune, identity and access management, and threat protection, alongside certifications including CompTIA Security+, Network+, A+, ITIL, and AWS, has given him a strong foundation in security and operational management within data-sensitive environments like commercial real estate finance.
At George Smith Partners, Sean manages Microsoft 365, implements cybersecurity posture improvements, and supports the governance of AI tooling across the firm. He works across endpoint management, identity and access management, system reliability and security operations to ensure stable, secure day-to-day operations.
Sean brings a practical, systems-focused approach to building and maintaining infrastructure that teams can depend on, with a strong emphasis on security and operational resilience.