(Kalamazoo, MI) Utilize environmental engineering knowledge to perform engineering functions related to environmental investigation and remediation projects.  Investigate and remediate contaminated sites through design, specification, development and assessment of remedial processes.  Conduct environmental site assessments.  Design and interpret site investigations of contaminated media (e.g., soil, groundwater, surface water, soil gas, indoor air and sediment).  Complete vapor intrusion assessments and Pressure Field Extension tests.  Design and implement soil vapor extraction and air sparge systems.  Design in situ ground water treatments (e.g., EVO, ZVI, eZVI, ISCO and ISCR).  Perform technical and feasibility studies, including site investigations, by analyzing engineering design, conducting environmental impact studies and assembling data.  Develop Data Quality Objectives.  Prepare technical reports, letters, memoranda, plans, specifications and proposals.  Assure compliance with federal, state and local legal environmental requirements.