Looks like the discussion is veering off the main issue raised. What the initiator meant, I think, was about the qualifications of the hands-on persons working, not the Head of the department.
Qualifications of Hands-on Personnel
Most often, in the hierarchy of an organization, the Head of the Department—call it O&M or Maintenance, etc.—comes from one of the streams: Electrical, Mechanical, Civil, or C&I. However, the primary persons who actually work hands-on will essentially have to be qualified appropriately.
Experience and Qualifications
Coming to the main query of the initiator, the experience level of the person being referred to (who doesn't seem to have any electrical qualifications) is not mentioned. I have known persons, by virtue of vast experience (typically >15/20 years) as an assistant to another qualified person in that function, but with little or bare minimum educational (not technical) qualifications, working in stand-alone/independent positions later on. But they rarely move above lower supervisory levels—since the topic was of Electrical, that would mean to the level of handling LT rather than any HT equipment.
Licensing and Legal Requirements
Regarding your addition about working as an Electrician, there are exams conducted by the Government through the Electric Inspector's office (PWD), and after passing it, a License is issued. In case of any accident, the first inquiry is whether the electrician has a License or not?
Regards,
TS