Founded in 2010, Terraphase Engineering is a dynamic, privately owned environmental consulting firm seeking a Principal Environmental Compliance Consultant (Scientist, Geologist, or Engineer) with 16+ years of professional experience to help grow and support our Compliance Services Division, one of Terraphase's four core Service Areas—alongside Environmental, Site Engineering, and Water Resources. At Terraphase, you'll enjoy the personal attention and entrepreneurial culture of a small-to-mid-sized firm (fewer than 200 people), backed by the technical depth, multidisciplinary resources, and geographic reach of a company with offices across the U.S. You'll have the platform to shape strategy, mentor emerging talent, and deliver tailored, high-value service to clients in a variety of industries—all while contributing to the continued growth of our compliance practice through your network and technical expertise.