Certainly.
I work at the administrative level of libraries (both public and academic). Some of the jobs I seek require experience or knowledge of programming languages and the ability to work with servers and websites because the administrator must be responsible for the library's network and site.
I have some web building experience, but little experience with programming or server use, so I want to acquaint myself with the tools necessary to maintain a library's network and computers. For many of these positions, JavaScript, HTML, and Python make appearance alongside library specific system like MARC records (for cataloguing).
There are three different sets of skills involved in what you are talking about. I don't know which one do you want to focus on.
There is the system administrator (sysadmin) skill set related to "the ability to work with servers and websites" -- systadmins are "responsible for the library's network and site" and they "maintain a library's network and computers". It mostly has to do with deep understanding of Windows and/or Unixoid operating systems and doesn't involve that much programming per se and that mostly in shell script...
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