Environmental Scientist

Job Locations US-MO-St. Charles


Civil & Environmental Consultants, Inc., a leading engineering and design consultancy, is seeking a full-time environmental consultant to join the St Louis, Missouri, office.  Typical responsibilities may include:

  • Assisting with development of comprehensive site or facility investigations by participating in scope of work development, field work, and data analysis to characterize chemicals in soil, sediments, surface water, groundwater, air, and building surfaces.
  • Installation of monitoring wells and soil borings, characterization of lithology, collection of soil, sediment, surface water and groundwater samples, collection of ambient air and soil vapor samples, etc.
  • Evaluation of environmental data to support environmental fate and transport assessments and extent and magnitude of contamination determinations for the evaluation of site closure options.
  • Regulatory compliance reporting including air emission inventories.
  • Assist with preparation of air permit applications.
  • Performance of Phase I Environmental Site Assessments.
  • Environmental compliance rule research and interpretation.
  • Site visits to industrial facilities.
  • Special projects as directed.



  • Candidates must have a minimum of a BS in Chemical Engineering, Environmental Engineering, Environmental Science, Geology, Hydrogeology or a related discipline.
  • Ability to travel up to 30% (on average) over the year; may include overnight stays and may be out of state.
  • 2-5 years of work or directly related experience is preferred.
  • Experience with fate and transport, hydraulic, and/or hydrogeological modelling and GIS mapping a plus.
  • Experience with state air permitting and federal Clean Air Act regulations such as New Source Performance Standards and Maximum Achievable Control Technology standards a plus.

About Us

Civil & Environmental Consultants, Inc. (CEC) is consistently ranked as an Engineering News-Record Top 200 Design Firm, offering big firm opportunities with a small firm culture.  Not only will we help you develop professionally, but we will also provide you with the opportunity to become an owner of the firm and share in our success.  You will work on diverse projects while providing high quality service to our clients. 


In addition to offering company stock at all levels, we provide a matching 401(k), profit sharing, a performance bonus for all employees, medical dental and vision insurance, short and long term disability and tuition assistance.  Join our team where your contribution matters.


We strive to promote and sustain a culture of diversity, inclusion and belonging every day. CEC is an equal opportunity and affirmative action employer. We do not discriminate in recruiting, hiring or promotion based on race, ethnicity, sex/gender, sexual orientation, gender identity or expression, age, disability or protected veteran status or on any other basis or characteristic prohibited by applicable federal, state, or local law. We proudly support and encourage people with military experience (active, veterans, reservists and National Guard) as well as military spouses to apply for CEC job opportunities.


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