Could well be ....I doubt that is an LEO as defined ...reads like civilian staff to me . Local to me a similar position would require a hearing test ( post offer) and ability to type 3250 keystrokes per hour .
I just gotta believe that even if OP met every posted qualification , if his age was in there directly or indirectly as in date of high school graduation , his application gets to side pile....but no practical way to prove age was the killer. I agree , even if he was 29... if he lacked one of the required skills or did not test at top of pack, his application also went to side pile. Eiither way he did not make the cut ...and darn hard to prove it was the age point even if that is what it was. ( I did not link to final application page to see if it asked for information that would address age /dob , date of HS graduation etc. ....but the cover page description seems to give preference to somebody already in a dispatcher role and perhaps,OP is not in such role )