Male engineer closing his jacket zipper, wears hard hat, and crossing his arms at the electric substation, handheld

male engineer closing jacket zipper wears hard hat crossing arms electric substation handheld safety helmet reflective vest standing technician electrician electrical person eyewear worker sunglass employee career safety gear zipper morning hazardous area substation electrician man maintenance tower guy industry work industrial electric power plant professional high voltage grid distribution electricity equipment service technology engineering construction energy repairman job cold weather