19 Results for

Environmental Jobs in O Fallon, IL

Jobs

New!

St. Louis, MO6 days ago

$52,000–$70,000 Per Year

We invite you to bring your bold ideas and big dreams and become part of a global team of nearly 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world. **ReqID:** REF59148V **Business Line:** Environment **Business Group:** DCS **Strategic Business Unit:** West **Career Area:** Science **Work Location Model:** Hybrid **Compensation:** USD 52000 - USD 70000 - yearly

New!

St. Louis, MO6 days ago

$75,000–$110,000 Per Year

We invite you to bring your bold ideas and big dreams and become part of a global team of nearly 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world. **ReqID:** REF59146D **Business Line:** Environment **Business Group:** DCS **Strategic Business Unit:** West **Career Area:** Program & Project Management **Work Location Model:** Hybrid **Compensation:** USD 75000 - USD 110000 - yearly

New!

St. Louis, MO6 days ago

$65,000–$91,000 Per Year

We invite you to bring your bold ideas and big dreams and become part of a global team of nearly 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world. **ReqID:** REF59150W **Business Line:** Environment **Business Group:** DCS **Strategic Business Unit:** West **Career Area:** Engineering **Work Location Model:** Hybrid **Compensation:** USD 65000 - USD 91000 - yearly

East Alton, Illinois30+ days ago

$140,000–$150,000 Per Year

Degree in Engineering (or reasonable equivalent) with a minimum of 10 years’ experience in an environmental related field and a minimum of 5 years’ experience in maintaining environmental compliance at a heavy manufacturing facility. The final pay offered to a successful candidate will be based upon various factors unique to each individual that may include but are not limited to years of experience, industry knowledge, technical skills, education, qualifications, etc.

Marissa, Illinois16 days ago

St. Louis, MO30+ days ago

This is a subcontractor opportunity within the commercial real estate due diligence industry, working alongside our full-time team on projects across the United States. We are expanding our network of skilled Field Professionals to support Phase I Environmental Site Assessments (ESA) and Property Condition Assessments (PCA).

St. Louis, MO30+ days ago

As the largest independent distributor of welding and gas products in Missouri and downstate Illinois, we distribute a full line of industrial welding and gas related equipment focusing on product quality, best in class service and family values. The Environmental Health & Safety Intern supports CK's safety initiatives by working alongside the Safety Director to assist with employee training, conducting audits and inspections, and helping implement safety policies in compliance with OSHA, DOT, and other regulations across all CK Supply locations.

St. Louis, Missouri19 days ago

The ideal candidate will have strong research and writing skills and at least one (1) to seven (7) years of experience in all phases of toxic tort and environmental litigation including case management, motion practice, and discovery, as well as handling hearings, depositions, arbitrations, and trials. Lewis Brisbois’ representation of its clients, both in toxic tort and environmental matters, extends to state, federal, and administrative hearings and trials, including Superfund multi-site litigation and coordinated Federal Multi-District Litigation.

St. Louis, MO18 days ago

Key Responsibilities: Clean and maintain floors and wall surfaces in assigned areas using appropriate equipment and cleaning agents (sweeping, mopping, vacuuming, etc.). This hands-on role supports the daily cleanliness and upkeep of school facilities to ensure a clean and safe environment for all.

New!

Highland, ILToday

You will be responsible for coordinating and supporting all activities of the department and work with all levels of facility staff to ensure the facility is clean, sanitary, safe, secure, and adequately supplied so the highest degree of quality resident care can be maintained at all time. You will play an essential role in providing warm and friendly hospitality to all the residents, visitors, and coworkers.

St. Louis, Missouri7 days ago

Candidates must possess a strong analytical ability, have excellent research, writing and verbal communication skills, and a commitment to client service. Disclaimer: Reposting positions from this website does not authorize search firms or other third parties to directly solicit candidates on the firm’s behalf or represent a relationship with the firm.

Saint Louis, MO30+ days ago

Keywords: Civil Engineer, Water Resources, WRE, Hydrology, Hydraulics, Stormwater Management, Floodplain Analysis, AutoCAD, GIS, MSD St. Louis, PE License, ESOP, H&H Modeling, Environmental Engineering, St. Louis Engineering Jobs. In this role, you will transition from simple data analysis to high-stakes project leadership, steering the planning, design, and implementation of essential water-related projects that define the landscape of St.

New!

Creve Coeur, MO1 day ago

$33.39–$41.39 Per Hour

New!

St. Louis, MO5 days ago

Bachelor’s degree in data science, computer science, engineering, statistics, math, economics, or a related field preferred; candidates with relevant professional experience in lieu of a degree will also be considered. Building on our expertise in energy efficiency, we're constantly expanding our portfolio of clean energy solutions to guide utilities through increasingly complex, connected challenges.

New!

Maryland Heights, MO2 days ago

This role is ideal for a student or recent graduate interested in environmental science, sustainability, engineering, or a related field who is eager to learn and contribute in a fast-paced, operational environment. This internship offers a hands-on opportunity to learn about modern waste management, landfill operations, recycling processes, and sustainability initiatives in a real-world setting.

New!

Saint Louis, MOToday

$69,222–$86,528 Per Year

Support noise source characterization and estimate sound levels for industrial and transportation sources, including developing environmental noise propagation models using industry software. This role offers structured mentorship, technical training, and opportunities to work on real-world projects across technology, manufacturing, energy, water, and infrastructure sectors.

St. Louis, Missouri14 days ago

ECS is currently ranked #60 in Engineering News-Record’s Top 500 Design Firms (April 2026), #148 in Engineering News-Record’s Top 200 Environmental Firms (October 2025) and #50 in Zweig Group’s Hot Firm List (May 2025). What You'll Do: Engineering Consulting Services (ECS) is seeking an Environmental Project Manager to join our Due Diligence team in the Greater Chicago Area.

Hazelwood, MO30+ days ago

Full-time

Performs E3 program planning, authoring E3 support documentation, continuous program E3 oversight and visibility, and product manufacturing support • Performs trade studies, modeling, simulation and other forms of computational electromagnetic (CEM) analysis to predict component and interconnects performance and to optimize design around established requirements. • Provides support to products throughout their lifecycle from manufacturing to customer use by recommending engineering solutions to issues and performing root-cause analysis of anomalies and other engineering support as requested • Supports programs and functions site-wide with the interpretation, implementation, adherence to and compliance of the St.

New!

St. Louis, MO2 days ago

$72,000–$85,000 Per Year

As a Regulatory Affairs Specialist for our North America region Regulatory Affairs Team you will provide product regulatory support for our businesses in North America and limited export regions functioning as part of the global HERA (Health, Environmental, Regulatory Affairs) shared service. ICL Group Ltd. is a global leader in agriculture, food and industrial solutions, utilizing its unique mineral resources and extensive expertise to address key sustainability challenges related to food security and access to essential minerals.

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Environmental Jobs in O Fallon, IL

Environmental Scientist-Remediation Focus AECOM

Environmental Project Manager AECOM

Environmental Engineer-Remediation Focus AECOM

Senior Environmental Engineer Wieland

Environmental Analyst – Corporate Prairie State Energy Campus

Environmental Field Subconsultant (Phase I ESA / PCA) (MO, OK) Blew & Associates, P.A.

Environmental Health and Safety Intern CK Supply

Toxic Tort & Environmental Associate Attorney Lewis Brisbois

Environmental Services Aide St. Louis University High

Environmental Services Manager Yona Solutions

Environmental/Toxic Tort Litigation Attorneys Gordon Rees Scully Mansukhani, LLP

Civil Engineer Luxus

Mid Level Biologist HarveStaff

Data Analyst Resource Innovations

Sustainability Campus Intern Waste Connections

Consultant, Acoustical Ramboll

Due Diligence Project Manager ECS Ltd

Electrophysics Engr/Scien 5 LanceSoft Inc

Americas Regulatory Affairs Specialist ICL

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