FFB,
You're not alone! As a technician in his late fifties, I am going through the same wash cycle. If I send a resume to a company, the Chief Eng or D.O.M. will look at it and wonder if I'm a possible candidate for their job. If the "all knowing" H.R. department gets hold of it then I'm sure that they will wonder how long I'll be able to work for them, prior to becoming a burden, due to old age, getting hurt/dropping dead on the job, or retiring.
Hang in there, and do'nt let the bastards see you sweat!!
Best regards, Max
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When I push the panic button, the breaker pops!