NewEnvironmental Engineer 5 CDM Smith IncEnvironmental Engineer 5St. Louis, MOIn addition, during employment individuals may be required by CDM Smith or a CDM Smith client to successfully complete additional background checks, including motor vehicle record as well as drug testing. We provide career opportunities that span a variety of disciplines and geographic locations, with projects that our employees plan, design, build and operate as diverse as the needs of our clients.
NewChemical Engineer 5 CDM SmithChemical Engineer 5St. Louis, MissouriJob Description: With general direction, creates chemical formulations, processes, and equipment for water treatment plants, hazardous waste treatment and related industrial applications of basic to high complexity to meet client project requirements. In addition, during employment individuals may be required by CDM Smith or a CDM Smith client to successfully complete additional background checks, including motor vehicle record as well as drug testing.
NewChemical Engineer 5 CDM Smith IncChemical Engineer 5St. Louis, MOWith general direction, creates chemical formulations, processes, and equipment for water treatment plants, hazardous waste treatment and related industrial applications of basic to high complexity to meet client project requirements. In addition, during employment individuals may be required by CDM Smith or a CDM Smith client to successfully complete additional background checks, including motor vehicle record as well as drug testing.
MOV - EMO Project Manager FergusonMOV - EMO Project ManagerSaint Louis, MORemote$4,916.70–$12,966.80 / yearCollaborate with ACE, Projects Quotation Team, Project Execution Team, Waterworks teams, and Management to continue building best practices for handling waterworks, EPC, contractor, and end-user projects as the division grows. Review waterworks project specifications and help build compliant automation packages, including valves, electric motor operators, pneumatic actuators, mounting kits, controls, and related components.
6B1BI3-Design and Analysis Engineer 3 Lancesoft6B1BI3-Design and Analysis Engineer 3Hazelwood, MO$63.94Utilize Model-Based Systems Engineering (MBSE) tools such as DOORS, Cameo, and mathematical modeling and simulation to develop system definitions/architectures and perform trade studies (includes integration with interfacing engineering disciplines model based design tool sets). •3+ years familiarity with electrical avionics system design including electrical systems and subsystems design, interface cable design between electrical system and platform, electrical hardware/software integration, coordination with vendors for part selection, and general test experience to do hardware/software testing of the system in a lab.
Winchester Equipment Mechanical Engineer Olin CorporationWinchester Equipment Mechanical EngineerEast Alton, IL$91,100–$116,000 / yearThis position requires access to ITAR controlled technical data, and as such, employment will be contingent upon the candidate's ability to access ITAR controlled technical data pursuant to an export license approved by the Directorate of Defense Trade Controls, if required. Focus: The Equipment Engineer is responsible for designing and improving mechanical systems for new and existing industrial automation equipment used in manufacturing small‑caliber ammunition and components.
Plumbing Project Engineer Farnsworth Group IncPlumbing Project EngineerSt. Louis, MOFor ten consecutive years, we've been certified as a Great Place to Work, and our engineers, architects, surveyors, and scientists channel their passion and expertise into making meaningful contributions to the world around us. Farnsworth Group is seeking a Plumbing Project Engineer to serve as a technical lead and project driver for plumbing design assignments across a range of building systems projects.
Civil Project Engineer Farnsworth Group IncCivil Project EngineerSt. Louis, MO$90,000–$120,000 / yearIn this role, you will be focused on the planning, design, and management of various civil engineering projects including water/wastewater/stormwater and transportation projects for local and government agencies. For ten consecutive years, we've been certified as a Great Place to Work, and our engineers, architects, surveyors, and scientists channel their passion and expertise into making meaningful contributions to the world around us.
Project Engineer Steel Procurement Clayco IncProject Engineer Steel ProcurementSt. Louis, MOWith $8.1 billion in revenue for 2025, Clayco specializes in the ''art and science of building,'' providing fast track, efficient solutions for mission critical, industrial, life sciences, power & energy, aviation, commercial, institutional, residential and sports & entertainment related building projects. The Project Engineer plays a critical role in maintaining schedule integrity, verifying material accuracy and completeness, resolving delivery and fabrication issues, and supporting overall project execution.
Pipe Shop Assist Manager / Project Engineer Murphy CoPipe Shop Assist Manager / Project EngineerSt. Louis, MOAssist in all aspects of pipe and steel fabrication, including time management, material release and procurement process, labor hours, scheduling and workflow updates. You will help build our company's portfolio by utilizing your attention to detail and time management skills to ensure timely, accurate, and thorough completion of fabrication for Murphy Company at our off-site facility.
Construction Assistant Project Manager McGrath & Associates IncConstruction Assistant Project ManagerSt. Louis, MOWhat you'll actually be doing: Supporting Project Managers and field teams on active construction projects Reviewing plans, specs, and submittals Coordinating with subcontractors and suppliers Tracking project progress, schedules, and documentation Helping solve jobsite challenges in real time Learning how projects are built-from the ground up. Why Project Engineers choose McGrath: Clear path to Project Manager - we promote from within Employee-owned - your growth = company success Hands-on experience - not stuck behind a desk all day Strong mentorship - learn from experienced PMs and field leaders Repeat clients + steady work - real projects, not constant chasing.
Quality Assurance Engineer / Construction Leidos Holdings IncQuality Assurance Engineer / ConstructionMO$59,150–$106,925 / yearCertification or training such as ISO 9001 Internal or Lead Auditor, ASQ CQI/CQT/CQA/CQE, USACE/NAVFAC Construction Quality Management, ICC, AWS/CWI, API/STI, NACE/AMPP, or related construction inspection credentials. The position requires seasonal deployment to Antarctic stations for supporting the ASC Quality team and assigned subcontractor Quality Assurance staff and may include pre-deployment temporary duty travel for project familiarization, training, planning, or coordination.
Senior Transportation Project Manager Gonzalez CompaniesSenior Transportation Project ManagerSt. Louis, Missouri$90,000–$125,000 / yearGonzalez Companies is a partner managed firm that provides comprehensive Planning, Design, and Construction Management Services to large and small Water, Sewer and Utility Districts; Departments of Transportation; and municipalities. Working primarily in the Greater St. Louis, Chicago, and Louisville metro areas, Gonzalez offers a great work environment, generous benefit packages, and opportunities to succeed in many professional disciplines.
Transportation Project Manager Orion PlacementTransportation Project ManagerSaint Louis, MissouriNote: Candidates must have a Bachelor's degree in Civil Engineering, an active Missouri Professional Engineer license or ability to obtain through reciprocity, 10+ years of transportation engineering experience, and experience with MoDOT and Local Public Agency projects. Our team works on transportation, planning, surveying, structural, construction inspection, and environmental projects with a focus on accuracy, technical quality, and practical solutions.
Transmission Line Engineers GFT Infrastructure IncTransmission Line EngineersSt. Louis, MORemote$90,000–$125,000 / yearWhat you'll be challenged to do: As a Senior Transmission Line Engineer, you will lead and oversee transmission line project designs, serving as a subject matter expert in transmission line engineering. Our team excels in providing solutions for power transmission, distribution, and renewable energy, utilizing advanced technologies and creative problem-solving to meet today's diverse energy needs.
Electrical Controls Engineer - Power Hanson Professional Services IncElectrical Controls Engineer - PowerSt. Louis, MO$105,000–$160,000 / yearThe Power Controls Engineer works closely with substation engineers, transmission engineers, civil engineers, structural engineers, and utility clients to ensure reliable, secure, and coordinated operation of power system control and monitoring infrastructure. Hanson Professional Services Inc. is seeking a Power Controls Engineer to support the design, implementation, and integration of control systems and communication networks for electric power infrastructure projects.
EPC Physical Substation Engineer Leidos Holdings IncEPC Physical Substation EngineerMO$87,100–$157,450 / yearIn this role, you can expect to: Serve as a Substation Physical Engineer supporting the engineering and design of utility transmission and distribution substations, with primary responsibility for outdoor substation physical design on EPC projects. Knowledge of outdoor substation equipment and layouts, including power transformers, circuit breakers, disconnect switches, instrument transformers, surge arresters, bus systems, steel structures, grounding systems, and associated station equipment.
Sr. Structural Engineer Farnsworth Group IncSr. Structural EngineerSt. Louis, MOFor ten consecutive years, we've been certified as a Great Place to Work, and our engineers, architects, surveyors, and scientists channel their passion and expertise into making meaningful contributions to the world around us. Each year, our staff participates in a survey administered by the Great Place to Work organization, measuring perceptions of credibility, respect, pride, fairness, and camaraderie.
Structural Engineer Farnsworth Group IncStructural EngineerSt. Louis, MOFor ten consecutive years, we've been certified as a Great Place to Work, and our engineers, architects, surveyors, and scientists channel their passion and expertise into making meaningful contributions to the world around us. Each year, our staff participates in a survey administered by the Great Place to Work organization, measuring perceptions of credibility, respect, pride, fairness, and camaraderie.
Electrical Engineer - Distribution Design Hanson Professional Services IncElectrical Engineer - Distribution DesignSt. Louis, MO$147,000–$175,000 / yearThe successful candidate will bring technical depth, leadership capability, and hands-on experience supporting transmission and distribution (T&D) utilities, municipal power providers, or utility engineering consultants. This senior-level role is ideal for a Professional Engineer with strong experience in utility distribution systems, including overhead and underground distribution, system upgrades, reliability improvements, and customer-driven projects.
Electrical Engineer - Substation Design Hanson Professional Services IncElectrical Engineer - Substation DesignSt. Louis, MO$147,000–$175,000 / yearThis senior-level role is ideal for a licensed Professional Engineer with extensive experience in high-voltage substations, including physical layout, protection and control coordination, and interdisciplinary design integration. Hanson Professional Services Inc. is seeking an experienced Electrical Engineer specializing in Substation Design to support power delivery projects for utility, municipal, and industrial clients.
Mechanical Engineer - Mission Critical Clayco IncMechanical Engineer - Mission CriticalSt. Louis, MOWith $8.1 billion in revenue for 2025, Clayco specializes in the ''art and science of building,'' providing fast track, efficient solutions for mission critical, industrial, life sciences, power & energy, aviation, commercial, institutional, residential and sports & entertainment related building projects. Working alongside a Senior Mechanical Engineer on each project, this mid-level role is responsible for producing detailed mechanical designs, performing analyses, and coordinating with multi-disciplinary teams to deliver infrastructure that meets demanding uptime and efficiency requirements in a fast-paced environment.
Geotechnical Engineer Hanson Professional Services IncGeotechnical EngineerSt. Louis, MO$85,000–$120,000 / yearThe successful candidate will apply geotechnical engineering principles to support planning, design, and construction efforts across multiple markets. Resumes are only accepted from recruiters and agency/staffing firms if a signed agreement is in place at the inception of the recruiting effort and authorized for a specified position.
Civil Engineer Farnsworth Group IncCivil EngineerSt. Louis, MO$70,000–$90,000 / yearIn this role you will be focused on the planning, design, and management of various civil engineering projects including water/wastewater/stormwater and transportation projects for local and government agencies. For ten consecutive years, we've been certified as a Great Place to Work, and our engineers, architects, surveyors, and scientists channel their passion and expertise into making meaningful contributions to the world around us.
0105 - Electrical Engineer - Designer Crafted Staff0105 - Electrical Engineer - DesignerSt. Louis, MO$120,000–$150,000 / yearJoin a respected, employee-owned engineering firm where your electrical expertise directly influences complex, high-performance building systems across healthcare, institutional, and commercial environments. This is a leadership-level design role for an experienced Electrical or MEP Engineer who thrives on technical depth, client interaction, and mentoring junior engineers.
Senior Electrical Engineer Clayco IncSenior Electrical EngineerSt. Louis, MOWith $8.1 billion in revenue for 2025, Clayco specializes in the ''art and science of building,'' providing fast track, efficient solutions for mission critical, industrial, life sciences, power & energy, aviation, commercial, institutional, residential and sports & entertainment related building projects. Demonstrated experience designing medium-voltage (up to 35 kV) and low-voltage distribution systems, including utility coordination, generator plants, switchgear, protective device coordination, and cable ampacity analysis (Neher-McGrath / IEEE 399 / IEEE 835) for high-reliability facilities.
Sr Mechanical Engineer, PE Alivia GroupSr Mechanical Engineer, PESaint Louis, MissouriSenior Mechanical Engineer develops conceptual through final designs and prepares calculations to verify workability of mechanical details; uses CAD and 3D modeling (Revit or similar) software to produce accurate, construction drawings. Design for materials handling, conveyor systems, crushing and screening system, dust collection, control systems, chute, duct, piping systems and equipment layouts in a heavy industrial environment.
Engineer II Astec Industries IncEngineer IIBelleville, ILManufacturing Environment Shop manufacturing environment exposures include exposure to moving mechanical parts, machinery, tools and equipment, vibration, fumes or airborne particles, motorized vehicles, welding and machining operations, outside weather conditions and exposure to the risk of electric shock. To be successful in this role, your experience and competencies are: A bachelor's degree required in, Mechanical Engineering, Electrical Engineering, a related field or equivalent and/or combination of training and experience.
Engineering Manager - Transportation Engineer Farnsworth Group IncEngineering Manager - Transportation EngineerBelleville, IL$105,000–$140,000 / yearIn this role, you will work closely with our other offices as you grow and lead a client focused, technically excellent transportation and traffic engineering team to serve local, statewide, and nationwide clients in the support of multiple planning, design, and construction projects. For ten consecutive years, we've been certified as a Great Place to Work, and our engineers, architects, surveyors, and scientists channel their passion and expertise into making meaningful contributions to the world around us.
Mechanical Engineer I Clayco IncMechanical Engineer ISt. Louis, MOWith $8.1 billion in revenue for 2025, Clayco specializes in the ''art and science of building,'' providing fast track, efficient solutions for mission critical, industrial, life sciences, power & energy, aviation, commercial, institutional, residential and sports & entertainment related building projects. Clayco is a full-service, turnkey real estate development, master planning, architecture, engineering, and construction firm that safely delivers clients across North America the highest quality solutions on time, on budget, and above and beyond expectations.
Senior Civil Site Engineer Hanson Professional Services IncSenior Civil Site EngineerSt. Louis, MORemote$110,000–$150,000 / yearPosition requires the ability to serve as a key member of the project design team developing designs and providing direction to junior level engineers and CADD/Technician staff in the areas of civil and site design including but not limited to; grading, storm water design, rail and roadways, utilities, and agency and railroad coordination. Projects are likely to include reconstruction and rehabilitation of industrial infrastructure such as roads, rail, utilities; highways and roads, culverts and storm sewer, stormwater detention, rail grade crossings, signing, pavement marking, and traffic control plans for construction.
Transmission Project Manager Gables Search GroupTransmission Project ManagerSt Louis, MOThis is more than a project management role—it's an opportunity to influence the future of critical energy infrastructure while building lasting client partnerships and advancing your career with a team that values leadership, innovation, and technical excellence. Are you an experienced Project Manager who thrives on leading complex transmission projects , building lasting client relationships, and growing business?
Implementations Network Engineer II Leidos Holdings Inc.Implementations Network Engineer IIShiloh, IL$59,150–$106,925 / yearKnowledge of data and voice network design carried over various transmissions systems, router to router connections using military and commercial protocols such as BGP and ISIS, switch-to-switch trunking to include VLANS, and circuit configurations through multiplexers. The Implementations Network Engineer will perform installation oversight, configuration, testing, monitoring, servicing of network equipment and activation of networks for projects supporting the Department of Defense networks.
Manufacturing Engineer Level 2 or 3 Knack SolutionsManufacturing Engineer Level 2 or 3Belleville, IllinoisAt least 2 years of relevant experience in manufacturing: Fabrication, resistance and mig welding, powder and wet painting, final assembly of light gauge sheet metal consumer appliances produced in a medium - low volume, high - medium mix environment. The ideal candidate will have experience with fabrication, resistance and mig welding, powder and wet painting and final assembly of light gauge sheet metal consumer appliances produced in a medium - low volume, high - medium mix environment.
Battery Design Engineer Critical Fit RecruitingBattery Design EngineerSaint Louis, MissouriDesign electric detonators, stab detonators, initiators, and CAD/PAD devices, including material selection, component specifications, and assembly processes. Design and execute qualification and acceptance test programs including environmental, functional, and lot acceptance testing per military specifications.
Sr. Construction Inspector GFT Infrastructure IncSr. Construction InspectorSt. Louis, MO$30–$41 / hour10+ years progressive experience in transportation engineering and inspection of bridge and/or highway structures on state MODOT, municipal, and/or multimodal projects. This role will serve as a daily point of contact with clients and contractors, and manage all aspects of a project including construction observations, material testing and maintaining documentation.
Transportation Construction Inspector II GFT Infrastructure IncTransportation Construction Inspector IISt. Louis, MO$23–$32 / hourThis individual will serve as a daily point of contact with clients and contractors, and manage all aspects of a project including construction observations, material testing and maintaining documentation. Experience in construction, inspection, material testing, or transportation engineering for highway and bridge projects for state MODOT and municipalities.
Construction Inspector GFT Infrastructure IncConstruction InspectorSt. Louis, MO$20–$29 / hourExperience in construction, inspection, material testing, or transportation engineering for highway projects structures on state MODOT, municipal, and/or municipal projects. This individual will serve as a daily point of contact with clients and contractors, and manage all aspects of a project including construction observations, material testing and maintaining documentation.
NewWeld Engineer Challenge Manufacturing HoldingsWeld EngineerBridgeton, MissouriWelding Engineer is responsible for developing welding techniques, procedures, and application of welding utilizing knowledge of production specifications, properties and characteristics of metals, metal alloys, and general engineering principles. Our team members take pride in the work we do and embody our core values of safety, ownership, and teamwork every day; they are the true driving force in our operations.
Automation Controls Engineer AFB InternationalAutomation Controls EngineerO'Fallon, MissouriAs part of Ensign-Bickford Industries, Inc. (EBI) , a privately-owned high-technology conglomerate, AFB International operates across multiple global locations, including the United States (global headquarters), Europe, Latin America, Mexico, Australia, and China. Our specialized palatants improve the flavor and nutritional value of pet foods, treats, and supplements, ensuring pets receive the essential nutrients they need.
Endpoint Engineer IS3 SolutionsEndpoint EngineerHunstville, ALSecurity & Compliance Implement and support endpoint security controls including Microsoft Defender for Endpoint, EDR agents, configuration baselines, application control, and privilege management. This role owns the Hardware Services program, including current-state MECM imaging and OSD workflows, Endpoint Patch and Vulnerability Management, and the overall IT Asset Lifecycle.
Software Engineer II ICONMA, LLCSoftware Engineer IIO Fallon, MO$64.85–$67.93 / hourYou have experience in building AI assisted application, autonomous and semi-autonomous agents and agentic workflow systems that coordinate multi-step tasks. Research new frameworks and technologies, assist with prototyping and proof-of-concepts, participate in code reviews.
AI Engineer Resource Logistics, Inc.AI EngineerSt Louis, MOApplied Agentic AI engineering experience: evidence of building Agentic workflows - ideally delivered into a real project- Please share for all submissions. Modern multi-agent Clienthitecture experience: Strong understanding of agentic frameworks/tools: Clienthitecture & design contribution capability.
Customer Service Electrical Engineer HydromatCustomer Service Electrical EngineerSt. Louis, MOOur mission is to create innovative and unique manufacturing solutions that provide high quality and cost-effective production capabilities for metalworking manufacturers. You enjoy resolving issues and providing solutions to the customer while working with a group of highly skilled individuals alongside impressive technology.
Client Solutions Engineer - GEOINT (TS or TS/SCI Clearance) FraymClient Solutions Engineer - GEOINT (TS or TS/SCI Clearance)St Louis, MOFull timeOrganizations worldwide use our geospatial data to understand social and economic dynamics, design effective programs, and monitor investments across public health, economic development, climate resilience, security, and humanitarian response. Experience in or working with the federal government, specifically working in or with the GEOINT community and are familiar with data analysis, population surveys, and/or human geography.
Manufacturing Engineer - Distribution Center & Wire Plating Eaton Corporation PlcManufacturing Engineer - Distribution Center & Wire PlatingEllisville, MO$86,000–$126,000 / yearThis role partners closely with operations, maintenance, quality, and supply chain to drive process stability, implement continuous improvement initiatives, and support new product or equipment introductions. The Manufacturing Engineer - Distribution Center & Wire Plating is responsible for developing, optimizing, and sustaining manufacturing processes to improve safety, quality, cost, and productivity.
Senior Release Train Engineer Reinventing Geospatial, Inc. (RGi)Senior Release Train EngineerSt. Louis, MORelease Train Engineer Qualifications: Bachelor's degree in Computer Science, Software Engineering, or related field and 8-12 years of prior relevant experience or Master's with 6-10 years of prior relevant experience. RGi provides opportunities, resources, training, and mentorship to all our employees to let them take control of their careers and become a leader or a crucial member of our company.
Data Analytics & Visualization Engineer Leidos Holdings IncData Analytics & Visualization EngineerShiloh, IL$92,300–$166,850 / yearAs a key Real-Time Visibility team member, you will work as part of a fast paced, Agile development and implementation team to architect, design and develop a unified User Experience / User Interface (UX/UI) that provides a holistic single-pane-of-glass interface for an integrated solution on the Kibana platform. The Leidos Digital Modernization Group seeks a Data Analytics & Visualization Engineer for the Global Solution Management - Operations II (GSM-O II) contract, under the Global Automations & Intelligent Network Solutions (GAINS) Team.
Water/Wastewater Engineer Hanson Professional Services IncWater/Wastewater EngineerSt. Louis, MO$100,000–$120,000 / yearAs the Water/Wastewater Engineer, you will contribute to the design and implementation of water and wastewater systems, including treatment facilities, pump stations, and distribution networks. Experience: Minimum 5 years in water/wastewater engineering, including design of water distribution, wastewater collection systems, and pump stations.
Systems Engineer Reinventing Geospatial, Inc. (RGi)Systems EngineerSt. Louis, MOClearance: Active Top Secret clearance with an ability to obtain SCI access and willingness to obtain CI Polygraph US Citizenship Required *This job posting is for a potential upcoming opening, and we encourage interested candidates to apply for future consideration. Experience with proprietary and open source GIS applications and database services such as OpenGeo, ArcGIS Server, PostGIS and PostgreSQL, Oracle Spatial.