Continuous standing for prolonged periods (more than 2 consecutive hours in an 8 hour day), Continuous walking for prolonged periods (more than 2 hours at a time in an 8 hour day), Wear ear plugs, Work in a clean room environment, Work in noisy environment, Work requiring repeated bending, stooping, squatting or kneeling . 7 years’ experience multi -skills in utility operation and maintenance including, but not limited to HVAC, compressed air, electricity, instrumentation, boilers, steam generation, refrigeration (ammonia/chillers) water analysis, chemical treatment systems, and RO operations.