Manage and/or provide oversight of implementation and field management (including operation, maintenance, and monitoring) of various environmental remediation systems (e.g., soil vapor extraction (SVE), enhanced in-situ bioremediation (eISB), in-situ chemical oxidation (ISCO), permeable reactive barriers (PRB), and groundwater extraction and treatment. Manage and/or perform of field work, including soil, sediment, groundwater, surface water, soil vapor, and indoor air sampling, hydraulic testing such as slug tests and pumping tests, soil boring and monitoring well installation, soil logging, and well purging and sampling.