unassisted) 2 hours or longer per day Climb (ladder/stairs): up to 6 hours per day Kneel/Crouch: up to 3 hours per day Upper body twist: Up to 6 hours per day Ability to work in temperatures over 80 degrees: up to 3 hours per day Candidate must be capable of safely working at heights (up to 500ft), in confined spaces, using an air purifying respirator, and performing the physical requirements of the job listed in the job description. Nondestructive evaluation level I certification in line with ASNT TC-1A, NAS-410, or DOD guidance in one of the following methods: Eddy current (ET), radiography (RT), digital radiography (DR), dye penetrant (PT), visual inspection (VT), computed radiography (CR), phase array (PAUT), ultrasonic (UT), ultrasonic shear wave (UTSW), or magnetic particle (MT).