To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. Proficiency with design and construction of electrical, plumbing, heating, ventilation, air conditioning and refrigeration (HVAC/R), controls systems, fire protection systems, concrete, structural framing, and industrial gas trades.