The Senior Geologist will serve as a technical leader within our Site Investigation and Remediation practice, leading complex environmental assessment, investigation, and remediation projects throughout Texas and New Mexico. The ideal candidate will be a licensed Professional Geologist (P.G.) in the State of Texas with experience working under the Texas Commission on Environmental Quality (TCEQ) Texas Risk Reduction Program (TRRP), Texas Railroad Commission (RRC) remediation and corrective action programs, New Mexico Oil Conservation Division (NMOCD) requirements, Bureau of Land Management (BLM) regulations, and New Mexico State Land Office (NMSLO) environmental compliance programs. Responsibilities include developing conceptual site models, directing drilling and subsurface investigations, evaluating soil, groundwater, soil vapor, and LNAPL data, preparing regulatory reports and closure strategies, and providing technical guidance to project teams and clients. The successful candidate will be recognized as a subject matter expert capable of managing complex projects from proposal development through regulatory closure, supporting business development efforts, mentoring staff, and maintaining strong working relationships with regulatory agencies and clients across the region. Projects may include construction projects focusing on earthwork and structural foundations; well design and sampling; environmental assessments including Phase I/II site assessments; seismic risk assessments.  • Develop understanding and be aware of project-related risk. Be familiar with what could go wrong on a project and how to protect the Company. • Lead safety efforts for team and ensure team follows safety rules and guidelines. Responsible for creating and modeling a safe work environment; demonstrates safety practices. Promote pre-task planning for all projects. • Promote continuous quality monitoring and improvement on projects. Monitor quality standards and practices. • Senior level Geologist/ Hydrogeologist responsible for leading complex projects requiring innovative investigation techniques. • Supervise the analysis and formation of recommendations in written reports. • Assist in establishing and updating current policies/ procedures for technical projects in field of expertise, to ensure proper interpretation and implementation by subordinate staff. • Provide technical direction and training to less experience professional staff. • Participate in the development of marketing strategies and presentations of qualifications to clients on projects. • Serves as an Authorized Project Reviewer.  • Bachelor’s degree in Geology, Hydrogeology or related field and a minimum of 9 years’ related experience. • Master’s degree or PhD preferred. • A valid driver’s license with acceptable violation history may be required.Required Qualifications: • Certification in field of expertise • Professional Geologist (PG) designation • Terracon Authorized Project Reviewer status required.