What 100+ SRE Interviews Taught One Hiring Manager About Finding the Right Talent

A hiring manager with experience interviewing over 100 Site Reliability Engineer candidates across three companies has shared the key traits they prioritize when evaluating applicants. Rather than focusing on specific tools or certifications, the manager emphasizes fundamentals such as systems thinking, comfort with ambiguity, and the ability to make decisions with incomplete information. Candidates are assessed through a structured four-round process covering technical design, live incident simulation, culture fit, and written communication exercises. The manager also values empathy and cross-functional collaboration, noting that SREs must bridge development, operations, and business teams effectively. Red flags include blaming individuals instead of systems, over-reliance on tools without understanding principles, and a lack of interest in learning from past incidents.