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Environmental Scientist - Fenton, MO

Job in Fenton, St. Louis city, Missouri, 63026, USA
Listing for: Tetra Tech
Full Time position
Listed on 2026-07-19
Job specializations:
  • Science
    Environmental Compliance, Environmental Science
  • Engineering
    Environmental Compliance
Job Description & How to Apply Below
Location: Fenton

Environmental Scientist

Tetra Tech is looking for a full-time Environmental Scientist based in Fenton, MO.

Position Summary:

We are seeking a Junior-level Environmental Scientist to provide support on various environmental projects throughout Iowa, Nebraska, Kansas and Missouri. This position will primarily support investigations and removal activities at former lead mining areas in Jefferson, Washington, Madison and St. Francois counties and other areas in southeast Missouri. However, work at other sites throughout the four-state area may also be required.

In this position you will be part of a project team, gaining valuable data collection experience in the field and preparing detailed analysis of field data and project reports. Tetra Tech provides mentoring and training opportunities to help junior staff hone their areas of expertise and diversify their interests. Tetra Tech also provides tuition assistance and supports other professional development opportunities for its employees.

Essential Job Functions:

  • Collect soil samples from residential properties where permission has been granted by the property owner.
  • Prepare samples for analysis via an x-ray florescence (XRF) spectrometer.
  • Analyze soil samples for lead and other heavy metals using an XRF spectrometer.
  • Prepare field sketches and other documentation related to residential soil sampling.
  • Provide oversight of excavation crews contracted to remove lead-contaminated soils from residential properties.
  • Coordination with other project team members and residents to ensure all work is completed to the satisfaction of EPA.
  • Preparation of sampling plans and health and safety plans.
  • Field studies requiring the collection of soil, groundwater and indoor air samples.
  • Interpretation of sample data and preparation of data summary reports.
  • Regular maintenance and calibration of equipment used during field studies.
  • Support other environmental studies throughout the four-state region.
  • This position will require extensive outdoor work and may occasionally require overnight travel.

In addition, the following is required:

  • Passing a criminal background check.
  • Driving on a regular basis. Passing a motor vehicle record background check and maintaining a valid driver's license and good driving record is required.

Why Tetra Tech:
At Tetra Tech, we are Leading with Science to solve the world's most complex challenges. Our industry-leading experts in engineering and consulting are committed to driving positive change in communities around the world. For over 50 years, we have been at the forefront of innovation and sustainability. Today we stand as a market leader, offering cutting-edge solutions in water, environment, energy, and international development.

Our work has improved more than 625 million lives around the world.

Your Impact:
Join Tetra Tech to make a real difference. Our work leverages cutting-edge technologies, advanced analytics, and the expertise of world-class scientists and engineers to create meaningful change around the world. Discover your full potential – join us to advance your career while leaving a lasting legacy.

Required Qualifications:

  • Bachelor's degree in scientific or engineering field is required.
  • Completion of 40-Hour Hazardous Waste Operations and Emergency Response (HAZWOPER) training and current 8-hour HAZWOPER refresher training are required to perform this work. If the successful candidate does not already possess this training, Tetra Tech will provide training prior to initiating regular work duties in the field.
  • 0 to 3 years of experience with hazardous materials, sampling of environmental media (soil, groundwater, air, etc.), environmental consulting or related activities.
  • Strong analytical, organizational, and communication skills (both written and verbal).
  • Highly motivated, customer-focused and work well in a team environment.
  • Proficiency with MS Word and Excel.
  • Driving on a regular basis. Passing a motor vehicle record background check and maintaining a valid driver's license and good driving record is required.

Physical Requirements:

  • Able to lift sample coolers and other equipment up to 50 pounds.
  • Able to wear full-face respirator and complete…
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