Senior Water Resources Scientist – NPDES & Permitting

Geosyntec Consultants, Inc.; Chesterfield (MO); On-site; USD 90,000 - 140,000; Full time

Job summary

Geosyntec Consultants, Inc. in the Midwest region seeks an experienced Water Resources Scientist to join our Water and Natural Resources practice in Missouri or Kansas offices.

You will support Clean Water Act and NPDES compliance, conduct water quality monitoring, and perform aquatic resource assessments for municipal and industrial clients, coordinating field programs and leading project tasks. The role requires strong data management, technical writing, and collaboration with engineers and

Qualifications

• Bachelor's degree in ecology, environmental sciences, water resources, biology, limnology, or closely related discipline (required).
• Master's degree in environmental sciences, aquatic ecology, water resources, or related discipline (preferred).

Responsibilities

• Prepare and review NPDES permit applications, renewals, and modifications; evaluate permit conditions and discharge data; develop reports.
• Conduct and coordinate surface water, wastewater, sediment, and biological sampling; maintain records.
• Install, operate, and maintain water quality monitoring instrumentation; validate datasets.
• Support aquatic biological assessments through macroinvertebrate sampling, habitat assessments, and fish collection.
• Perform bathymetric surveys and streamflow measurements to characterize water resources.
• Analyze environmental data and prepare monitoring plans and regulatory reports; coordinate with labs, clients, and agencies.
• Lead selected tasks, manage scopes, schedules, and budgets; oversee safety and field logistics.

Skills

Water resources

Environmental science

Regulatory compliance

Data analysis

Technical writing

Fieldwork

Education

Bachelor's in related field

Master's in related field

Job description

Geosyntec Consultants, Inc. in the Midwest region seeks an experienced Water Resources Scientist to join our Water and Natural Resources practice in Missouri or Kansas offices.

You will support Clean Water Act and NPDES compliance, conduct water quality monitoring, and perform aquatic resource assessments for municipal and industrial clients, coordinating field programs and leading project tasks. The role requires strong data management, technical writing, and collaboration with engineers and