Ability to work in elevated areas, confined spaces, and on grated platformsSufficient vision, hearing, and color recognition to read instruments, respond to alarms, and identify hazardsAbility to wear required PPE, including chemical‑resistant clothing and respiratory protection, for extended periodsAbility to work in hot, cold, noisy, and outdoor environments with exposure to chemicals and odorsPhysical stamina to work rotating shifts, weekends, holidays, and respond to emergency situationsUnable to wear contact lenses. Physical requirements Ability to remain stationary, move, climb stairs and ladders for extended periods during 8–10 hour shiftsAbility to lift, push, pull, and carry up to 50 lbs (with assistance for heavier loads)Frequent bending, stooping, kneeling, reaching, and manual valve operation requiring manual dexterity.