LI-KW1 About Us Welcome to PBF Energy (NYSE: PBF), one of the largest independent petroleum refiners and suppliers of unbranded transportation fuels, heating oil, petrochemical feedstocks, lubricants and other petroleum products in the United States. Staff Engineer, Process Design The Process Design Engineer in the Technical team will provide technical expertise to enable optimum process design in support of the capital project program that will meet the company’s safety, environmental and economic objectives.