Where I work, there is a separation between FM and AM radio. FM includes trunked P25 systems, Trbo systems, and the linking of everything via Zetron IP interface or Motorola Conventional Channel Gate-Way devices. AM does the aviation and testing of navigation aids. Starting pay is higher than the local radio shops max out in many cases, but the only expectation for a new hire is to have the General Radiotelephone Operator's License (GROL). It used to require an electronics related Associate's degree, but that was too hard to find (AAS and GROL). Once hired, work ethic is the problem, some personnel at some sites that think they can pick and choose the work they do, or whittle away at the job description, being "specialists" or "infrastructure support" trying to get out of doing vehicle installs.
The pay scale increases with inflation and maxes out at 6 years, so then guess what happens to work ethic. Management rarely even thinks of formal training, on-the-job training, or even routine training evolutions. Many sites are supported by "radio focal's", people at the site that may be voluntold to do so, or sometimes those that enjoy radio like amateur radio types, emergency communications types, or even military affiliates. The only job opening we have had in five years has been a current one for the AM side.....max pay is about $90k per year. AM does a lot of travel to airports and aircraft testing sites. I am told that overtime pay is offered, but the positions are salary (FM is hourly). The only real good part AM or FM technician wise are the benefits, which is like getting a pay raise in and of itself. Many employees get college paid for by the employer, then company stock when completing a degree program.