Principal Plant Engineer - HVAC / Utilities is responsible for maintaining the site’s facility infrastructure including buildings, HVAC, GMP utilities, steam, water, sewer, and other utility systems to a state of compliance. They must assure that facilities and related infrastructure are fit for use when needed, maintenance and reliability techniques are efficient and effective, and appropriate corrective and improvement actions are taken when necessary. They are also responsible for the efficient and effective management of local capital for their assets and oversight of engineering / maintenance contract resources.