They ask about proficiency in several technologies used by the department, e.g., Linux, CentOS/RHEL, Kickstart, VMware, cfengine, etc. You are not assumed to know everything, but if it is on your resume, you should be familiar with it. They will pick a few specific questions about a certain technology to verify you really know it. They might ask about your past experience at previous jobs and your future goals to see if this job is a good fit for you. They do not want to hire someone who will not be satisfied with the position and leave soon after being hired.
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The following metrics were computed from 1 interview experience for the AT&T Software Engineering Infrastructure Support role in El Segundo, California.
AT&T's interview process for their Software Engineering Infrastructure Support roles in El Segundo, California is incredibly easy as the vast majority of engineers get an offer after going through it.
Candidates reported having mixed feelings for AT&T's Software Engineering Infrastructure Support interview process in El Segundo, California.