Ryan W. O'Hara is a seasoned technology professional with extensive experience in site reliability engineering and software development. Currently serving as a Senior Site Reliability Engineer at Circle since October 2025, Ryan previously worked at CircleCI from September 2016 to September 2025, where roles included Staff Software Engineer and Senior DevOps Customer Engineer, among others. Earlier experience includes a position as a Software Developer at Fire Engine RED from May 2015 to May 2016, and various roles at Linode from October 2012 to May 2015, including Systems Administrator and Solutions Consultant.
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