Overview

About the Company Our client is a well-established and highly respected environmental engineering and civil infrastructure firm recognized for technical excellence, responsiveness, and successful project delivery. The organization is employee-focused and currently investing in strategic growth throughout California. This is an opportunity to join a collaborative, technically driven firm and play a key role in expanding its environmental consulting capabilities across the state. About the Position The Principal - Site Investigation & Remediation will provide entrepreneurial leadership in growing the firm's Site Investigation and Remediation practice throughout California. This is a high-impact opportunity for a seasoned environmental professional with deep expertise in investigation and remediation and a demonstrated history of client development, business growth, and market expansion. The Principal will combine technical leadership with relationship development and business development responsibilities, working across disciplines to expand the firm's consulting practice. The successful candidate will have the autonomy and influence to identify opportunities, cultivate strategic client relationships, lead complex projects, and mentor the next generation of technical professionals. Key Responsibilities Generate annual net revenue exceeding $750,000 through client development, project pursuits, and strategic business development. Develop and maintain relationships with clients throughout California while identifying, pursuing, and securing new business opportunities. Expand the firm's client base through strategic networking, marketing, relationship development, and industry involvement. Lead proposal development, client interviews, strategic pursuits, and contract negotiations. Lead and oversee environmental site investigation and remediation projects from initial planning through regulatory closure. Provide senior-level technical expertise in investigation design, remedial alternatives evaluation, corrective actions, and regulatory compliance. Provide technical leadership on projects involving groundwater, soil, soil vapor, and sediment contamination. Mentor, develop, and support technical staff across the organization. Oversee the preparation and quality of technical reports, work plans, remedial designs, risk assessments, and regulatory submittals. Represent the firm through industry organizations, conferences, professional associations, and other strategic forums. Collaborate with other practice leaders to identify cross-disciplinary opportunities and strengthen the firm's overall consulting platform. Requirements 20+ years of progressively responsible experience in environmental consulting, site investigation, and remediation. Bachelor's degree in Environmental Engineering, Civil Engineering, Geology, Environmental Science, or a related discipline required. PE, PG, or other relevant professional registration preferred, but not required. Extensive experience with environmental investigation and remediation involving: Groundwater contamination Soil contamination Soil vapor Sediment contamination Petroleum hydrocarbons Chlorinated solvents Metals Emerging contaminants preferred Experience with projects involving utility, industrial, manufacturing, transportation, and/or brownfield redevelopment sites preferred. Demonstrated success managing complex environmental remediation projects and multidisciplinary teams. Strong understanding of federal, state, and local environmental regulations and remediation programs. Familiarity with CERCLA, RCRA, UST, and state-led cleanup programs preferred. Experience with the design and/or oversight of remedial systems, excavation, groundwater treatment, vapor mitigation, and site restoration preferred. Proven ability to develop and maintain senior-level client relationships and contribute to business development and revenue growth. Strong technical writing, communication, leadership, and organi