Broadcast Engineer
Fix It, Modify it, line it up so it gives best performance, occasionally design and build it, Brief users how to use it, (at 0400 or so on night shifts) help users out of the traps for the unwary which lurk in it as if designed especially to catch people out at that unearthly time of day, Inspect and test it for electrical safety, advise at the times something appears beyond economic repair, occasionally redesign and rebuild because the manufacturer made a Complete hash of the job, know Which computer in a chain to attack with Control-Alt-Delete to get service back rather than bring everything crashing down in a heap.....
Plus also a trade union rep
Worked for the same organisation for the last 34 years, but making some moves around (it is a big organsiation).