Job Description SREs are people who take engineering-based approaches to solve operations problems: we like infrastructure, we like seeing how big complicated things work, and most importantly, we gain great satisfaction from making it better. We have backgrounds in lots of things -- of course, Computer Science, System Administration, Networking, Mathematics, and Engineering generally, but you can also find folks who've worked in Physics, Chemistry, Biology, Statistics, and even English. SREs build, monitor, and maintain the systems and infrastructure that ensure our customers can quickly access their data and run workloads whenever and wherever they need to. We identify service problems and areas for improvement, and we follow up by fixing those problems. Our work is key to the success of many of the Microsoft services you'll have heard of, and a number you haven't. There are very few bits of Microsoft which aren't touched by SREs in some way or other. SREs come in two kinds: SRE-SWE (people with a software engineering background), and SRE-SE (people with a systems engineering background).