Ep. 194, From sysadmin to security at Microsoft with Thomas Rayner
Aired September 29, 2025 | 60 min
Thomas Rayner joins The PowerShell Podcast to share his journey from sysadmin and PowerShell MVP to securing Microsoft 365 as a security professional at Microsoft. He reflects on how PowerShell accelerated his career, the importance of blogging and community involvement, and why clear communication with managers is vital for growth. Thomas also offers advice for beginners, highlighting patience, persistence, and the value of mentorship in tech.
Meet our guest
Thomas Rayner is a security professional at Microsoft, where he focuses on preventative security solutions in Microsoft 365. A former Microsoft MVP in Cloud and Datacenter Management, Thomas built his career by blogging, speaking, and contributing to the PowerShell community. Originally from Edmonton, Canada, he used PowerShell to accelerate his early career as a sysadmin before moving into security roles at Microsoft. Today, he continues to share career wisdom, mentor others, and advocate for growth mindset thinking in tech.
Meet our host
Andrew Pla
Andrew Pla, a seasoned IT professional with over 10 years of experience, has spent the last 5 years mastering PowerShell. An ardent member of the PowerShell community and a Microsoft MVP, he loves sharing his knowledge and leveraging automation to solve complex problems. You can always find him connecting with others on the PDQ Discord and troubleshooting, with the firm belief that a problem shared is a problem halved.
