The Windows Mobile 7 Search and Windows Mobile 7 Browser teams’re currently looking for internal testers, or, "SDETs" (Software Design Engineer in Test), to work out the kinks of the up-and-coming mobile OS. On Microsoft's Career website, there’re a couple of jobs posted, each stating the following:
.Windows Mobile 7 Search is looking for a strong and experienced Software Development Engineer in Test to join the team developing our next generation of Search for mobile devices.
.Windows Mobile 7 Browser team is looking for a strong an experienced software test lead to own the team testing our next generation mobile internet developer tools and the underling document object models supporting those tools. "Windows Mobile 7 is a huge, important bet for the company and the team has benefited from a recent influx of senior talent from around the company." (Link)
.Lastly, there's a job posting from the MSN Mobile Search team, whose core mission is to, "deliver search experiences on mobile phones, with a mandate to push the space’s boundaries and to dazzle users in an high bar environment."