The successful candidate will report directly to the Practice Leader in Lowell and will provide technical hydrogeological investigation design and implementation support for a variety of projects including groundwater pump and treat (GWPT), fractured bedrock investigations, pumping test design and analysis, oversight of geophysical investigations, hydraulic containment and re-injection, in-situ remediation pilot studies/systems, in-situ chemical oxidation (ISCO), and in-situ bioremediation as well as remedial system optimization projects and capture zone analyses. The Mid to Senior level Hydrogeologist/Remediation Engineer will also serve as a technical task lead responsible for guiding and mentoring junior and mid-level consulting professionals in hydrogeologic analysis including calculations, developing technical specifications, aquifer studies and pump tests, and preparing and conducting quality-control reviews of technical documents, designs, plans and reports.