Senior Scientist Terracon Consultants IncSenior ScientistSt Louis, MOThis role serves as a senior technical resource and project leader responsible for managing complex projects involving asbestos, lead-based paint, mold, indoor environmental quality (IEQ), radon, and other environmental health concerns impacting buildings and facility occupants. The successful candidate will provide technical leadership, mentor staff, develop client relationships, and contribute to business growth while ensuring projects are completed safely, on time, and within budget.
New Grad Scientist I - Summer 2027 - Central Division (For Current/Returning HNTB Interns Only) HNTB CorpNew Grad Scientist I - Summer 2027 - Central Division (For Current/Returning HNTB Interns Only)St. Louis, MOLocations: Austin, TX, Baton Rouge, LA, Dallas, TX, Des Moines, IA, El Paso, TX, Fort Worth, TX, Houston, TX (Fannin), Kansas City, MO, Little Rock, AR, New Orleans, LA, Oklahoma City, OK, Overland Park, KS (129th Street), Overland Park, KS (Sprint Parkway), Plano, TX (Granite Parkway), Round Rock, TX, San Antonio, TX (McAllister Freeway), St. Louis, MO. This opportunity entails being responsible for assisting with basic scientific studies, documentations and investigations at project sites and phases or projects, including planning, design, program management and construction.
NewManaging Consultant, Scientist ERM International Group LtdManaging Consultant, ScientistSt Louis, MOAs an Managing Consultant, Scientist (Environmental Permitting) based in Charleston, West Virginia or Indianapolis, Indiana, you will play a pivotal leadership role in helping clients navigate the environmental, regulatory, and permitting challenges associated with major energy and infrastructure developments across the United States. Key Responsibilities: Manage and perform multi-media permitting and compliance associated with technology and energy infrastructure projects, such as data centers, natural gas, and renewable energy (solar and wind), with an emphasis on local, state, and federal permitting and regulatory compliance.
New Grad Scientist I - Summer 2027 - Central Division (For Current/Returning Hntb Interns Only) HNTB CorporationNew Grad Scientist I - Summer 2027 - Central Division (For Current/Returning Hntb Interns Only)Saint Louis, MOLocations: Austin, TX, Baton Rouge, LA, Dallas, TX, Des Moines, IA, El Paso, TX, Fort Worth, TX, Houston, TX (Fannin), Kansas City, MO, Little Rock, AR, New Orleans, LA, Oklahoma City, OK, Overland Park, KS (129th Street), Overland Park, KS (Sprint Parkway), Plano, TX (Granite Parkway), Round Rock, TX, San Antonio, TX (McAllister Freeway), St. Louis, MO. This opportunity entails being responsible for assisting with basic scientific studies, documentations and investigations at project sites and phases or projects, including planning, design, program management and construction.
Transportation Planning Project Manager I Crawford, Murphy and Tilly IncTransportation Planning Project Manager ISt Louis, MO$95,000–$125,000 / yearAs an Experienced Transportation Planning Project Manager, you'll play a key role in collaborating with planners, engineers, environmental scientists, technicians, public and private agencies, and community stakeholders to develop transportation solutions that enhance mobility, safety, and quality of life. You will manage planning studies, coordinate multidisciplinary teams, support client relationships, and guide projects from concept through implementation while contributing to meaningful infrastructure and community planning initiatives.
Traffic Civil Engineer III Crawford, Murphy and Tilly IncTraffic Civil Engineer IIISt Louis, MO$75,000–$90,000 / yearYou will contribute to traffic engineering studies, transportation planning efforts, roadway design projects, safety analyses, and multimodal transportation initiatives while continuing to expand your technical expertise, project delivery experience, and professional growth. As a Traffic Engineer III, you'll collaborate with engineers, planners, environmental scientists, technicians, clients, and public and private agency partners to develop transportation solutions that enhance safety, operations, and overall system performance.
Transportation Planning Project Manager II Crawford, Murphy and Tilly IncTransportation Planning Project Manager IISt Louis, MO$110,000–$140,000 / yearAs an Experienced Transportation Planning Project Manager II, you'll play a key role in collaborating with planners, engineers, environmental scientists, technicians, public and private agencies, and community stakeholders to develop transportation solutions that improve mobility, safety, and quality of life. You'll lead complex planning studies, guide project teams, foster client relationships, and help move innovative ideas from concept to implementation while contributing to meaning infostructure and community planning initiatives.
Roadway Civil Engineer III Crawford, Murphy and Tilly IncRoadway Civil Engineer IIISt Louis, MO$75,000–$90,000 / yearAs a Roadway Engineer III, you'll collaborate with engineers, planners, environmental scientists, technicians, clients, and public and private agency partners to develop and deliver roadway, highway, multimodal, intersection, and other transportation infrastructure solutions. You will contribute to planning, design, and project delivery efforts while continuing to expand your technical expertise, transportation engineering knowledge, and professional growth through increased levels of responsibility within project teams.
Cultural Resource Specialist Hanson Professional Services IncCultural Resource SpecialistSt. Louis, MO$60,000–$80,000 / yearThe Cultural Resource Specialist provides technical support for cultural resource management (CRM) services associated with infrastructure, transportation, land development, and public and private sector projects. This position conducts cultural resource investigations, supports regulatory compliance efforts, and collaborates with multidisciplinary project teams to identify and address cultural resource considerations.
Pharma/Life Sciences & Med Device/Manufacturing QMS Consultant_Senior Associate PricewaterhouseCoopers LLPPharma/Life Sciences & Med Device/Manufacturing QMS Consultant_Senior AssociateSt. Louis, MO$77,000–$202,000 / yearPreference for at least one of the following fields of study: Analytics/Data Science, Artificial Intelligence/Robotics, Biology/Biomedical Sciences, Business Administration/Management, Computer Science/Information Systems, Engineering, Environmental Science/Sustainability, Health Administration/Public Health, Mathematics/Statistics, Operations/Supply Chain, Project/Technology Management, Science. In this role at PwC, you will work closely with clients to analyze product development lifecycles, identify bottlenecks, and develop strategies to enhance speed to market, reduce costs, and improve quality.
Cost Estimator Tetra Tech IncCost EstimatorSaint Louis, MORemotePosition Summary: As a Cost Estimator in Tetra Tech's Disaster Recovery Cadre, you will support FEMA Public Assistance and other disaster recovery programs by developing accurate, defensible, and well-documented cost estimates for infrastructure restoration, emergency work, and permanent work projects. With 30,000 employees working together, Tetra Tech provides clear solutions to complex problems by Leading with Science to address the entire water cycle, protect and restore the environment, design sustainable and resilient infrastructure, and support the clean energy transition.
Brownfield Project Manager Stantec IncBrownfield Project ManagerMissouri, MOPrimary Location: United States | IL | Chicago Other Locations: United States | MO Organization: BC-1937 EnvSvcs-US Great Lakes East Employee Status: Regular Business Justification: Replacement Travel: No Schedule: Full time Job Posting: 14/07/2026 06:07:06 Req ID: 1006745. This team member will be primarily focused on due diligence and brownfield revitalization work for communities throughout the Midwest but may explore opportunities within our broader environmental services team including projects in complex assessment and remediation, resiliency, and compliance.
Geophysicist Universal Engineering SciencesGeophysicistSt. Louis, MOFull timeAbility to read & write, including interpreting documents such as safety rules, operating and maintenance instructions, and procedure manuals, as well as the ability to write routine reports and correspondence and speak effectively with colleagues, supervisors, and customers/clients. We are looking for a hands-on geophysicist with practical field experience who enjoys solving complex subsurface challenges and working alongside engineers, geologists, and project teams.
Site Inspector Tetra Tech IncSite InspectorSaint Louis, MOWith 30,000 employees working together, Tetra Tech provides clear solutions to complex problems by Leading with Science to address the entire water cycle, protect and restore the environment, design sustainable and resilient infrastructure, and support the clean energy transition. You will work with applicants, facility representatives, engineers, architects, project managers, and recovery specialists to accurately capture damage information, document site conditions, and support the development of recovery projects.
Senior Consultant, EHS Compliance ERM International Group LtdSenior Consultant, EHS ComplianceSt Louis, MOWho We Are: As the largest global pure play sustainability consultancy, we partner with the world's leading organizations, creating innovative solutions to sustainability challenges and unlocking commercial opportunities that meet the needs of today while preserving opportunity for future generations. Prepare plans, permits, and reports for hazardous waste, air quality, hazardous material management, oil spill prevention and National Pollutant Discharge Elimination System (NPDES) storm water and wastewater programs.
Air Quality Project Manager Civil & Environmental Consultants, Inc.Air Quality Project ManagerSt. Charles, MissouriFull timeWe have a variety of Employee Resource Groups, including CEC Community – focused on giving back to the communities in which we work; CEC Ignite – focused on helping professionals early in their careers to develop their pathway; CEC iDEA – focused on inclusion, diversity, equality, and acceptance; and CEC Women – focused on creating internal and external opportunities for women to network and leverage professional experience! Job duties will include managing, scheduling, and budgeting of projects including proposal and report writing, performing engineering calculations, compiling permit application documents, meeting and coordinating with clients to obtain and understand project information, communicating with agency personnel, and evaluating control technologies for client facilities.
NewPrincipal Crop Physiology Scientist Bayer AGPrincipal Crop Physiology ScientistChesterfield, MO$123,920–$185,880 / yearThe primary responsibilities of this role, Principal Crop Physiology Scientist, are to: Provide leadership to coordinate the technical strategy for using crop physiology to define novel crop seed product concepts and to translate crop and plant physiology insights into breeding goals that deliver these products; Leverage model outputs and advanced analytics to achieve measurable improvement of quantitative traits under selection, enabling more predictive and efficient breeding decisions; Act as a key stakeholder driving strong collaborative relationships with field testing, data science, engineering, molecular breeding, logistics, trait integration, Product Development, Market Development, and Commercial organizations to deliver a robust product pipeline; Ensure meaningful knowledge and data transfer at critical transition points along crop cycle timelines so that insights, data, and decisions are clearly documented and shared; Proactively identify key opportunities for new technology implementation and process improvement, contributing positively to a collaborative, innovative, and design-centric culture; Integrate and lead projects and initiatives with partner teams across world regions (NA, LATAM, EMEA, APAC) to guide the development and implementation of Precision Breeding approaches; Attract and develop talent, serving as a mentor for peers and colleagues in key areas of expertise and supporting their technical and leadership growth; Support Health, Safety & Environment, Compliance, Business Conduct, and Human Rights policies and culture by embedding these principles into daily work and decision-making. Bayer seeks an incumbent who possesses the following: Required Qualifications: PhD degree in Quantitative Genetics, Plant Breeding, Crop Physiology, Data Science, or another relevant scientific field with a minimum of 6 years of relevant experience, or a MS degree with 10+ years of experience in breeding programs, genetics, or applied data science projects; Demonstrated experience working collaboratively in cross-functional and cross-cultural teams to achieve common goals; Demonstrated experience leading and influencing activities of cross-functional teams without direct reporting relationships; Ability to lead and influence key stakeholders through challenges and opportunities and to facilitate solutions that align with strategic objectives; Results orientation with a demonstrated ability to manage multiple projects and priorities simultaneously; Experience in the analysis of large biological data sets, including quantitative genetics, biostatistics, and functional genomics; Experience with coding in R, Python, or similar software environments to support data analysis and modeling; Strong collaboration skills demonstrated through building cross-functional partnerships and influencing others to drive results and solve complex business problems; Demonstrated ability to manage complex problems and navigate ambiguity while maintaining a focus on scientific rigor and business impact.
NewProject Geologist Terracon Consultants IncProject GeologistSaint Louis, MOOur St. Louis Environmental team is seeking a Project Environmental Geologistwho enjoys solving complex environmental problems, leading field investigations, and helping clients move projects from uncertainty to closure. Career level, fully competent Geologist/ Hydrogeologist responsible for planning, scheduling, conducting or coordinating detailed phases of work for part of a major project or total of a project of moderate scope and complexity.
Health Safety Specialist Henkel AG & Co KGaAHealth Safety SpecialistSt. Louis, MO$88,000–$100,000 / yearHenkel holds leading positions in both industrial and consumer businesses: Our portfolio includes well-known hair care products, laundry detergents, fabric softeners as well as adhesives, sealants, and functional coatings. Family Support: 12-week gender neutral parental leave (up to 20 weeks for parents giving birth), fertility support, adoption & surrogacy reimbursement, discounted child and elderly care, and scholarships.
Sustainability Campus Intern Waste Connections IncSustainability Campus InternMaryland Heights, MOThis 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.