Air Quality Engineer or Scientist Civil & Environmental Consultants, Inc.Air Quality Engineer or ScientistSt. 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 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.
Scientist 1 Pace Analytical ServicesScientist 1Hazelwood, MissouriAbility to work effectively in a laboratory environment, including standing for extended periods, working around strong odors, and wearing required PPE (lab coat, safety glasses, gloves—all provided by Pace®). In this role, you’ll conduct hands-on analysis within our laboratories, helping ensure the integrity and quality of environmental data that impacts communities and ecosystems.
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.
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.
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.
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.
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.
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.
Project Archaeologist Terracon Consultants IncProject ArchaeologistSaint Louis, MODesign, direct, and report on cultural resources surveys; includes development of survey methodology, execution of fieldwork, in-field assessments, analysis, reporting, NRHP evaluations, and possible mitigation efforts. As a Project Archaeologist, you will provide technical leadership, project management, and team development for a variety of cultural resource projects throughout the central United States, with a primary emphasis on Missouri and Kansas.
Driller's Assistant Universal Engineering SciencesDriller's AssistantSt. Louis, MOFull timePhysical Demands & Work Environment: This position primarily works in an outdoor work environment, regularly exposed to varying field conditions, including: Sites that may not be accessible by vehicle, requiring travel on foot through wetlands, swamps, grasslands, fields, and other uneven or rugged terrain with natural and man-made obstacles such as sand, brush, and debris. You'll assist with operating and maintaining drilling rigs, handling drill rods and tooling, collecting samples, setting up equipment, and keeping projects moving safely and efficiently.
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.
NewPharma/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.
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.
NewSite 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.
Analyst (Tech Center) Actalent IncAnalyst (Tech Center)Saint Louis, MOThe Technical Center is seeking a Laboratory Analyst to support testing and quality evaluation activities across multiple laboratory groups, including Analytical Testing, Microbiology, Stability, and Materials Testing. Bachelor"s degree in Chemistry, Biology, Microbiology, Biochemistry, Food Science, Biotechnology, Environmental Science, Materials Science, Chemical Engineering, Physics, Animal Science, or a related scientific discipline.
Laboratory Technician Actalent IncLaboratory TechnicianSaint Louis, MOThe Technical Center is seeking a Laboratory Analyst to support testing and quality evaluation activities across multiple laboratory groups, including Analytical Testing, Microbiology, Stability, and Materials Testing. Bachelor"s degree in Chemistry, Biology, Microbiology, Biochemistry, Food Science, Biotechnology, Environmental Science, Materials Science, Chemical Engineering, Physics, Animal Science, or a related scientific discipline.
**Analyst (Tech Center)**24/HR Actalent Inc**Analyst (Tech Center)**24/HRSaint Louis, MOThe Technical Center is seeking a Laboratory Analyst to support testing and quality evaluation activities across multiple laboratory groups, including Analytical Testing, Microbiology, Stability, and Materials Testing. Bachelor"s degree in Chemistry, Biology, Microbiology, Biochemistry, Food Science, Biotechnology, Environmental Science, Materials Science, Chemical Engineering, Physics, Animal Science, or a related scientific discipline.