NPN Environmental’s strength and success lies within its people. We are committed to providing an atmosphere that promotes professional growth and the challenge of working in a diverse multi-disciplined environment.  We encourage our staff to solve our clients' concerns with creative and state of the art proven techniques. Our technical team is unique in its diversity of experience as well as its strong dedication to our clients. Our present team includes civil engineers, geological engineers, geologists, hydrogeologists, industrial hygienists, environmental chemists, environmental scientists and environmental technicians.  

NPN Environmental continuously seeks qualified candidates for various employment positions. Candidates are considered by their demonstrated experience, technical education and superior attitude toward NPN Environmental’s Mission. Please see positions available for further information.

NPN Environmental provides a comprehensive benefit package that includes health, dental, disability, 401K program and bonus program. 


Positions Available

Senior Project Manager


Position Summary


Providing environmental services for over 20 years, NPN Environmental is seeking a Senior Project Manager to coordinate and implement projects under our Facility Decommissioning and Tank & Container Management business segments.  The individual will be responsible for all aspects of environmental contracting projects including estimating, planning, detailed task development, client coordination, site management, and documentation.  Must have the ability to quickly adapt to changing site conditions and possess a working knowledge of hazardous waste regulations. Detailed project documentation and attention to detail are essential.



  • 10+ years in managing environmental projects
  • Undergraduate degree preferably in the science or engineering field
  • Detail-oriented and mechanically inclined

For consideration, send your resume and letter of introduction:

NPN Environmental Engineers, Inc.
Attention: Human Resources
1631 Headland Drive
St. Louis, MO 63026
Fax: 636-343-4871


Benefit Package

NPN Environmental offers the following benefit package to full-time employees:

  • Medical - Group Health Plan (60% Company/40% Employee)
  • Dental - (60% Company/40% Employee)
  • Short- and Long-Term Disability (100% company)
  • Holidays (8 Paid)
  • Vacation – 1 week year one, 2 weeks two to five years and 3 weeks five or more years
  • Simple 401K Plan (With Employer Matching)
  • Bonus Program Based on Company Performance

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