Jay Holler

Jay Holler is the Manager of Site Reliability Engineering at Twitter, where he plays a crucial role in ensuring the reliability and performance of the platform's services. He has a background in engineering, particularly focusing on Linux and Python, which are integral to his work in site reliability.2

Before his current position at Twitter, Holler served as a Senior Engineering Manager at Credit Karma and held various roles that emphasized system reliability and performance, including a Staff Site Reliability Engineer from 2015 to 2018.2 His experience spans several years in the tech industry, contributing to his expertise in managing complex engineering challenges.

Holler gained some public attention during Elon Musk's acquisition of Twitter, where he expressed concerns about the changes within the company through internal communications.134 This context highlights not only his role but also the pressures faced by engineering managers during significant corporate transitions.

In addition to his managerial responsibilities, Holler has been involved in discussions around incident management and reliability practices in tech, contributing to industry literature on reducing mean time to detection (MTTD) for high-severity incidents.5