8+ years demonstrated working knowledge of building mechanical systems such as; boilers, refrigeration, cooling skids, chillers, cooling towers, air handlers, fan coil units, variable air volume systems, compressed air systems, nitrogen and liquid nitrogen systems. Qualifications You Must Have: Minimum of 8+ years of experience in building mechanical engineering and a bachelor's degree in mechanical engineering, industrial engineering or related discipline or equivalent combination of related work experience and schooling in lieu of degree.