My background and experience are as a systems engineer, technical project leader / manager, and SW developer for computer companies HQ'd here in the Silicon Valley.
Q&A for Information security professionals
Q&A for Ubuntu users and developers
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems.
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Q&A for students, teachers, and linguists wanting to discuss the finer points of the Spanish language