Senior Hydrogeologist

Overview

Lead hydrogeology investigations, modeling, and remediation for environmental projects.

Key Responsibilities

• modeling
• site investigation
• remediation optimization
• data interpretation
• statistical evaluation
• client interface

Tasks

-Providing litigation support for discovery, affidavits, deposition, and trial. -Serving as a technical advisor, mentoring junior staff, performing quality control reviews, and helping the next generation of hydrogeologists grow. -Performing optimization of passive and active remedial alternatives, including LTM. -Interpreting hydrogeologic data and synthesizing field and analytical results to support reporting, risk assessments, remedial design, and regulatory decision-making. -Writing and reviewing technical reports, work plans, sampling plans, and standard operating procedures (SOPs). -Performing sequence stratigraphy evaluations and reporting. -Performing statistical evaluations, background studies, and associated reporting. -Managing and overseeing field activities, ensuring health and safety compliance, subcontractor coordination, and efficient scheduling. -Building, calibrating, and validating analytical and numerical soil, groundwater, surface water, sediment, and indoor air (attenuation) modeling. -Designing, directing, and executing complex site investigations, including the planning and implementation of drilling, geophysical logging, aquifer testing, sampling of various media, and installation of monitoring and recovery wells. -Interfacing with clients and regulatory agencies as a subject matter expert, providing strategic guidance, presenting findings, and supporting negotiations. -Leading project teams in developing conceptual site models and conducting contaminant fate and transport evaluations.

Requirements

• hazwoper
• gis
• modflow
• hydrogeology
• licensure
• 15‑20 yrs

What You Bring

-Proficiency with regulatory programs including CERCLA, RCRA, and state-specific programs. -Current 40-hour HAZWOPER certification. -Advanced skills in data analysis, report writing, and preparation of maps, tables, charts, and figures. -Familiarity with GIS applications. -Excellent verbal and written communication skills. -15–20 years of professional experience, preferably in environmental consulting. -Bachelor's or Master’s degree in Hydrology, Hydrogeology, Geology, Engineering, or a closely related field. -Travel up to approximately 30% may be required, including occasional overnight trips. -Professional Geologist or Engineer licensure (by exam). -Demonstrated ability to lead projects and teams, manage multiple priorities, mentor/supervise employees, and communicate effectively with diverse audiences. -Practical use of advanced groundwater models to support site characterization and remediation/optimization strategies. -Experience using hydrogeologic modeling tools, including but not limited to MODFLOW, MT3D codes, VISTAS, EVS, etc. -Strong background in hydrogeologic site characterization, groundwater flow and transport modeling and analysis, and environmental remediation/remedy optimization.

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About Ensafe

-Began as a small environmental science and safety consultancy from humble beginnings. -Providing multidisciplinary services in environmental management, engineering, health and safety, and technology. -Projects span over 40+ countries, combining local expertise with global capabilities. -Handle high-stakes work such as environmental restoration, site assessments, industrial wastewater, and air safety evaluations. -Known for historic work like sampling at the Corvette Museum sinkhole collapse. -Expanded technical capabilities and regional presence through strategic acquisitions.

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