It should have been done by SRE as part of any initial LDAP group request.
However, SRE doesn't get notifications about new employees in any way except these tickets; filing an access request ticket pretty is a standard thing to have in SRE's own team onboarding ticket templates. I do not know if there is any standard across teams, or re-use of templates, etc.
Anyway, I will do the needful tomorrow.
I think so as well @MarcoAurelio, but I can't find them right now, and judging by other recent access request / onboarding tickets, that information doesn't seem to have been widely disseminated throughout the WMF.
Also, the templates involved here should really be a Phabricator form. Making new hires type freeform text asking for access to systems they've only just heard of seems suboptimal for everyone involved :)