NewSenior Facilities & Construction Engineer AmerenSenior Facilities & Construction EngineerSaint Louis, Missouri$88,500–$172,200 / yearAmeren Services includes a wide range of skill sets and roles, from finance and legal experts to digital and cyber specialists, plus those charged with ensuring environmental compliance and operational safety. We take into consideration a variety of factors including, but not limited to, skills, abilities, experience, education, credentials, and internal equity when determining the base salary offered.
Senior Staff Software Engineer, Cloud AI Infrastructure Brain CorpSenior Staff Software Engineer, Cloud AI InfrastructureNetherlands, MOThrough the BrainOS Robotics Platform, which powers the largest global fleet of the Autonomous Mobile Robots (AMRs) in operation in commercial public spaces, Brain Corp delivers insightful and efficient automated solutions in both commercial floor cleaning and inventory management, empowering organizations and their employees to achieve more. Essential functions may require maintaining the physical condition necessary for sitting, walking or standing for periods of time; operating a computer and keyboard; use of hands to finger and grasp; talk and hear at normal room levels; visual acuity to determine the accuracy, neatness, and thoroughness of the work assigned or to make general observations of facilities or structures; push or pull up to 20 pounds.
Senior Substation Project Engineer WSP Global IncSenior Substation Project EngineerSaint Louis, MO$119,600–$213,200 / yearIf you''re energized by large-scale infrastructure projects, enjoy solving complex technical challenges, and want to help shape the future of digital infrastructure, this is an opportunity to make a lasting impact while accelerating your career on some of the most significant power delivery projects being developed today. Any unsolicited resumes, including those submitted to hiring managers or other business leaders, will become the property of WSP and WSP will have the right to hire that candidate without reservation - no fee or other compensation will be owed or paid to the recruiter, employment agency, or other staffing service.
Substation Senior Project Engineer WSP Global IncSubstation Senior Project EngineerSaint Louis, MO$170,000–$220,000 / yearLead large-scale, complex substation and infrastructure projects (greenfield/brownfield, AIS/GIS substations), ensuring alignment on scope, schedule, and deliverables; manage project budgets, cost tracking, resource planning, and forecasting, and supervise EPC contractors, subcontractors, and multidisciplinary teams. Advanced proficiency with engineering and design software, including AutoCAD, AutoCAD Electrical, MicroStation, Revit, Aspen (OneLiner), ETAP, CAPE, CYME, PSCAD, SKM PowerTools, WinIGS, and Inventor, along with strong skills in Excel-based modeling and data analysis tools.
Substation Engineer WSP Global IncSubstation EngineerSaint Louis, MO$78,600–$135,000 / yearIf you''re energized by large-scale infrastructure projects, enjoy solving complex technical challenges, and want to help shape the future of digital infrastructure, this is an opportunity to make a lasting impact while accelerating your career on some of the most significant power delivery projects being developed today. WSP USA is providing the compensation range that the company in good faith believes it might pay and offer for this position, based on the successful applicant's education, experience, knowledge, skills, abilities in addition to internal equity and specific geographic location.
senior-mechanical-engineer-consumer-life-solutions-multiple-locations Burns & McDonnellsenior-mechanical-engineer-consumer-life-solutions-multiple-locationsSaint Louis, MO$135,000–$210,000 / yearDescription The Senior Mechanical Engineer will lead mechanical design projects and teams to create world-class designs for new projects, alterations and redevelopments within the Life Sciences industry (Pharmaceutical and Biotech). + Quality review the construction administration including coordination with field personnel to resolve design related installation issues, calculations, field inspections and testing of mechanical systems.
Lead Mechanical Engineer -- Energy & Industrial Group Sargent & LundyLead Mechanical Engineer -- Energy & Industrial GroupClayton, Missouri$118,023–$180,313 / yearFull time7+ years of experience in the design of mechanical engineering systems for non-commercial, heavy industrial plants (power, oil & gas, or chemical), with a focus on integrated, detailed system design for new plants, modifications, or replacements; Experience must include the selection of equipment, piping materials, control philosophy, and the preparation of performance sizing calculations and specifications. AI & Automation at Sargent & Lundy: In this role, we expect people to be willing or able to lead others who use modern tools: You are expected to lead others in taking engineering problems from issue to solution by setting expectations for using data and modern tools such as automation and AI to improve workflows, reduce rework, and deliver cost-effective designs.
Experienced Substation Design Engineer WSP Global IncExperienced Substation Design EngineerSaint Louis, MOWork as an individual or as part of a cross-functional team of engineers, planners, scientific, and construction professionals to execute project work, assist with laying out installations, calculating costs and quantities of material/equipment/labor, and ensuring project work conforms with specifications, permit applications, compliance documentation, and regulatory and technical analysis memos. Assist with the research, design, concept development, and construction of transmission and distribution substations, power distribution, power regulation, renewable energy, as well as protection and control systems in a wide variety of contexts (utilities, transportation, building, and Federal, State, and local government projects).
structural-engineer-power-multiple-locations Burns & McDonnellstructural-engineer-power-multiple-locationsSaint Louis, MO$100,000–$160,000 / yearAs a structural engineer, you will work on project teams to create world class designs for new projects, alterations and redevelopments on a variety of power generation and industrial projects. Applies strong knowledge of commonly used structural engineering/design concepts, principles, practices, codes, and procedures within the structural engineering services industry.
Electrical Engineer Manager Sargent & LundyElectrical Engineer ManagerClayton, Missouri$145,310–$222,001 / yearFull timeAbout This Business Unit: The Energy & Industrial Group (EIG) specializes in delivering advanced engineering solutions across various sectors, including power generation, environmental compliance, oil & gas, and industrial projects, from new plant design to plant betterment and upgrade services for operating facilities. We excel in detailed engineering services for photovoltaic (PV) solar projects and energy storage integration, and lead the industry in carbon capture technologies, managing projects from conceptual studies, pilot demonstrations and through commercial scale implementation for utilities and industrial plants.
Process Engineer Air Products and Chemicals IncProcess EngineerSt. Louis, MOThis position will focus on the high growth biogas upgrading market and will work closely with Commercial, Engineering, Quality, Business, Product Strategy, and Product Development teams to support customer inquiries, troubleshoot existing systems, develop and support design tools, develop new offerings, and facilitate strong customer relationships. When we come together - where every voice is heard and everyone knows they belong and matter - we create solutions that launch people into space, support lifesaving care in hospitals, and enable the construction of groundbreaking, world scale production facilities.
Software Engineer Reinventing GeospatialSoftware EngineerSaint Louis, MORGi 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. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information.
Forward Deployed Engineer, Japan k-IDForward Deployed Engineer, JapanJapan, MOAs a Forward Deployed Engineer, you'll be a core technical expert responsible for designing, developing, and maintaining integrations between k-ID's services and client systems. Our core platform, anchored by the Compliance Development Kit (CDK) and AgeKit, is the trusted engine for the world's largest game publishers and digital ecosystems.
Sr. System Engineer- ArcGIS EsriSr. System Engineer- ArcGISSaint Louis, MissouriDeploy and configure complex ArcGIS in a wide variety of environments across operation systems, cloud providers, security architectures, customer types and organizations, to meet the customer's service level agreement. Experience with Esri software including ArcGIS Enterprise, ArcGIS Desktop, ArcGIS Online, Portal for ArcGIS and ArcGIS Runtime and their associates APIs or interfaces.
Technical Consultant- Enterprise Data Engineer EsriTechnical Consultant- Enterprise Data EngineerSaint Louis, MissouriYou will work both independently and as part of project teams to configure back-end geospatial database management capabilities that support customer workflows utilizing ArcGIS web, desktop, and mobile applications. Familiarity with database design principles, data loading techniques, backup and recovery solutions, performance monitoring and tuning, database maintenance, and security.
Software Development Engineer II – CI/CD & Platform Automation (Mission-Focused) EsriSoftware Development Engineer II – CI/CD & Platform Automation (Mission-Focused)Saint Louis, MissouriThis role combines software engineering with DevOps and platform engineering principles, ideal for engineers who are passionate about automation, system reliability, and improving developer productivity in complex environments. Design, implement, and maintain high-speed CI/CD pipelines using GitHub Actions/Azure DevOps for cloud-native workflows and Jenkins for complex, cross-platform on-premises build automation.
System Engineer- ArcGIS EsriSystem Engineer- ArcGISSaint Louis, MissouriDeploy and configure ArcGIS in a wide variety of environments across operation systems, cloud providers, security architectures, customer types and organizations, to meet the customer's service level agreement. Experience with Esri software including ArcGIS Enterprise, ArcGIS Desktop, ArcGIS Online, Portal for ArcGIS and ArcGIS Runtime and their associates APIs or interfaces.
Mechanical Design Engineer National Design Build ServicesMechanical Design EngineerMaryland Heights, MissouriOur projects include cold storage, food and beverage processing, manufacturing plants, distribution centers, healthcare, and large-scale commercial buildings. The Mechanical Design Engineer – HVAC & Plumbing Systems is a key technical role responsible for the design and engineering of HVAC and plumbing systems from concept through construction.
Senior System Engineer – ArcGIS (Mission-Focused) EsriSenior System Engineer – ArcGIS (Mission-Focused)Saint Louis, MissouriDeploy and configure complex ArcGIS in a wide variety of environments across operation systems, cloud providers, security architectures, customer types and organizations, to meet the customer's service level agreement. You will act as a trusted technical leader, solving complex system challenges, influencing architecture decisions, and ensuring ArcGIS platforms are scalable, resilient, and aligned to mission needs.
Structural Design Engineer BLUESCOPE STEEL LIMITEDStructural Design EngineerKcmo, MOWe prioritize cost efficiency while supporting both internal teams-including manufacturing, project management, and field erection-and external customers with exceptional service. BlueScope Buildings North America's Engineering department delivers safe, innovative, and high-quality structural and construction engineering solutions.
Civil/Structural Project Engineer Envista ForensicsCivil/Structural Project EngineerSaint Louis, MissouriWe have an opportunity for a civil/structural engineer to join our forensic team in the greater Nashville/Knoxville area - this is a work from home role when you're not doing field investigations - If you want the opportunity to escape the the Computer Screen, this role is in the field doing inspections and investigations 30-40% of the time! Envista Forensics believes that Veterans arrive with not only translatable skills and technical expertise but in addition come with the intangibles; leadership and values that we believe align with our 5 Guiding Principles.
AI Engineer II McCarthy Holdings IncAI Engineer IISt. Louis, MOWorking closely with the AI Manager, business stakeholders, and fellow engineers, you will contribute to the development of production-grade AI solutions, including generative AI, agentic workflows, advanced analytics, and enterprise integrations. Experience working within Palantir Foundry, including ontology-driven development, data products, operational workflows, and AI-enabled solutions, is strongly preferred.
Automation Engineer III Salas O'Brien Engineers IncAutomation Engineer IIIChesterfield, MO$50,000–$100,000 / yearDue to continued growth, Salas O'Brien, a leader in industrial automation engineering and equipment, located in Chesterfield, Missouri has an immediate opening for a remote, experienced, creative and dynamic individual for the position of Automation Engineer. The candidate will be able to work independently but be quick to ask questions and draw upon the best Salas O'Brien, customer, and industry resources to complete work accurately and efficiently.
NewNetwork Provisioning Engineer (Layer 2) Lumos Networks Corp.Network Provisioning Engineer (Layer 2)St. Louis, MO$74,340–$87,000 / yearCollege degree in Engineering or a related field and 3-5 years professional level experience; or 6+ years professional level related Engineering/Technical experience; or an equivalent combination of education and professional level related Engineering/Technical experience. About Segra: Segra owns and operates a wide and dense fiber-optic infrastructure footprint that provides state-of-the-art connectivity, cybersecurity, voice, cloud and colocation solutions, all backed by industry-leading service and reliability.
NewERP AI Engineer - Manager PwCERP AI Engineer - ManagerSaint Louis, MO$99,000–$232,000 / yearYou will be responsible for tasks such as data collection, data cleansing, data transformation, data modelling, data visualisation, and data analysis using Oracle tools like Oracle Database, Oracle Analytics Cloud, Oracle Data Integrator, Oracle Data Visualization, and Oracle Machine Learning. As part of the Data and Analytics Engineering team, you will serve as both a technical leader and a trusted advisor to clients, combining AI/ML knowledge with business acumen to design and deliver AI solutions that drive measurable client outcomes.
Senior Systems Engineer (Windows/AWS) aqua ITSenior Systems Engineer (Windows/AWS)St. Louis, MissouriBachelor's degree in Computer Science, Information Technology, Systems Engineering, or related field and 8+ years of relevant experience; additional experience may be substituted for a degree. This position focuses on the design, integration, modernization, and sustainment of large-scale Windows, Cloud, and hybrid infrastructure solutions supporting operational users.
NewAssociate Engineer Ameren CorpAssociate EngineerMO$72,000–$108,000 / yearResponsible for development of engineering solutions, estimates of cost and schedule, maintenance and repair specifications, in coordination and liaison with operating and maintenance groups at the Energy Centers. Optimize reliability and cost through the use of predictive technologies, PI system (Plant Information Monitoring and Data Storage System), industry associations, and Energy Center personnel resources.
AI Engineer PricewaterhouseCoopers LLPAI EngineerSt. Louis, MO$50,500–$112,500 / yearAt least a Bachelor's degree or, in lieu of a degree, demonstrating in addition to the minimum years of experience required for the role, three years of specialized training and/or progressively responsible work experience in Engineering with AI and Machine Learning for each missing year of college is required. At least one of the following: Certifications aligned to data engineering, machine learning, and cloud platforms, including AWS, Google Cloud, Microsoft Azure, Databricks, Snowflake, or related data and AI credentials.
Oracle AI Engineer - Senior Manager PricewaterhouseCoopers LLPOracle AI Engineer - Senior ManagerSt. Louis, MO$124,000–$280,000 / yearYou will be responsible for tasks such as data collection, data cleansing, data transformation, data modelling, data visualisation, and data analysis using Oracle tools like Oracle Database, Oracle Analytics Cloud, Oracle Data Integrator, Oracle Data Visualization, and Oracle Machine Learning. Examples of the skills, knowledge, and experiences you need to lead and deliver value at this level include but are not limited to: Craft and convey clear, impactful and engaging messages that tell a holistic story.
Senior Project Engineer, Steel Procurement ClaycoSenior Project 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 Senior Project Engineer – Steel Procurement is an advanced, on-site leadership role responsible for overseeing and executing steel procurement logistics, delivery coordination, and material verification across complex or large-scale projects.
Licensed Transportation Engineer - Roadway OlssonLicensed Transportation Engineer - RoadwayMaryland Heights, MOYour passion for collaborative work and commitment to positively impacting communities will drive you to lead highway and roadway design, corridor planning, and infrastructure improvement projects. Louis office, you will perform various engineering and project management duties on roadway projects including prepare planning and design documents, process design calculations and preparing costs estimates.
Licensed Civil Engineer - Data Center OlssonLicensed Civil Engineer - Data CenterChesterfield, MORemote$88,000–$116,000 / yearWe design large hyperscale data center campuses and colocation data centers throughout the U.S. This role will give you the opportunity to work on some of the largest and most complex engineering-driven projects being built today. This role contributes to generating ideas and creating designs that provide purposeful, high-quality solutions to successfully solve engineering and design needs.
Senior Electrical Engineer ClaycoSenior 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.
senior-mechanical-engineer-power-multiple-locations Burns & McDonnellsenior-mechanical-engineer-power-multiple-locationsSaint Louis, MO$145,000–$220,000 / yearThese design projects will enhance power production at several types of facilities including traditional gas generation (simple cycle, combined cycle, reciprocating engines), renewable generation (solar thermal, solar photovoltaic, hydro, hydrogen) and energy storage (lithium-ion batteries, flow batteries). Leading site trips for data collection, field inspections, construction review, commissioning support, factory acceptance testing support, or construction support services for both public and private clients.
staff-electrical-engineer-substation-st-louis Burns & McDonnellstaff-electrical-engineer-substation-st-louisSaint Louis, MOThe Staff Substation Engineer will work under the supervision of a licensed professional engineer to develop design deliverables for new and modified high-voltage (13kV to 765kV) electrical power substation projects. Prepares and develops substation design packages, including, but not limited to, physical arrangement above and below grade, protective relaying and control, electrical studies such as grounding and lightning analysis, and lighting and security.
Applied AI Staff Engineer TalTeam, IncApplied AI Staff EngineerSt. Louis, MissouriFull timeYou will work closely with product managers, software engineers, data scientists, and ML engineers to build robust backend services, data-intensive applications, and production AI systems. Staff Applied AI EngineerWe are looking for a Staff Applied AI Engineer to build scalable, production-grade backend applications that leverage large and complex datasets.
Industrial Engineer II - Warehousing, Continuous Improvement & Labor Management Penske CorporationIndustrial Engineer II - Warehousing, Continuous Improvement & Labor ManagementSaint Louis, MOThis role supports both existing operations and new business implementations by analyzing operational data, developing engineered solutions, implementing continuous improvement initiatives, and driving sustainable performance improvements. Willingness to travel as necessary, work the required schedule, work at the specific location required, complete Penske employment application, submit to a background investigation (to include past employment, education, and criminal history) and drug screening are required.
Consulting Systems Engineer - Global Service Provider World Wide Technology IncConsulting Systems Engineer - Global Service ProviderMO$200,000–$300,000 / yearMastery of the skills to assist and/or create, modify, and audit documentation required for Integration Center projects (RBI, SRF, Care Package, QA Checklist). Strong skillset in usage of Excel, scripting languages, server and network equipment configuration validation utilities or console access.
Electronic Sales Engineer - St. Louis, MO or Kansas City, MO AllegionElectronic Sales Engineer - St. Louis, MO or Kansas City, MOSt. Louis, MO$100,000–$176,000 / yearPrimary focus is on the support of end-users, integrated hardware dealers, and security integrators in the design and execution of project sales related to application of Allegion electronic access control portfolio. _Additionally, Allegion is proud to be recognized with the 2026 Gallup Exceptional Workplace Award (GEWA) for the third consecutive year, earning distinction in both the employee engagement and strengths categories.
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 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.
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.
Lead Substation Project Engineer WSP Global IncLead Substation Project EngineerSaint Louis, MOTasks include the research, design, concept development, planning, and construction of transmission and distribution substations, power distribution, power regulation, renewable energy, as well as protection and control systems in a wide variety of contexts (utilities, transportation, building, and Federal, State, and local government projects). 7 to 10 years of relevant post education experience as an electrical engineer providing design deliverables for capital projects in power generation, transmission, and distribution at a utility, industrial, or commercial scale, with significant experience in substation design.
Environmental Engineer 5 CDM SmithEnvironmental Engineer 5St. Louis, MissouriIn 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. Background Check and Drug Testing Information: CDM Smith Inc. and its divisions and subsidiaries (hereafter collectively referred to as “CDM Smith”) reserves the right to require background checks including criminal, employment, education, licensure, etc.
Cyber Security Engineer III System OneCyber Security Engineer IIISt. Louis, MO$135,000 / hourProvide cyber threat intelligence support, including the collection, fusion, analysis, creation, and distribution of threat intelligence from government entities, commercial feeds, open sources, and partner organizations. The Cyber Security Engineer will collect, analyze, and distribute threat intelligence from government sources, commercial feeds, open source reporting, and partner organizations to improve situational awareness of the cyber threat environment.
senior-project-engineer-overhead-transmission-midwest-region Burns & McDonnellsenior-project-engineer-overhead-transmission-midwest-regionSaint Louis, MOQualifications Bachelors Degree in Engineering from an ABET-accredited university and 7 years of direct project engineering experience managing design efforts for Design-only and EPC projects required. Description Wishing you could have an ownership stake in the company you are working for Founded in 1898 Burns & McDonnell is an award-winning engineering architectural construction environmental and consulting services firm.
M365 Platform Engineer MaximusM365 Platform EngineerSt. Louis, MOFull timeMaximus compensation is based on various factors including but not limited to job location, a candidate's education, training, experience, expected quality and quantity of work, required travel (if any), external market and internal value analysis including seniority and merit systems, as well as internal pay alignment. - Demonstrated experience administering Microsoft 365 (Government or Commercial) environments, including Exchange Online and hybrid Exchange Server, supporting large enterprise user populations (10,000+ users).
NewSenior Civil/Geotechnical Engineer (Mine Waste) WSP Global IncSenior Civil/Geotechnical Engineer (Mine Waste)Saint Louis, MO$86,100–$128,500 / yearScoping, directing, and reviewing complex geotechnical analyses with a focus on soil mechanics, including stability, seepage, thermal modelling; deposition modeling; and run out analyses for mine waste or water embankment dams and waste rock spoils. Leading the civil design of mine waste containment (tailings and waste rock) and heap leach facilities including initial layout and design, site selection and facility layout, geotechnical and hydrologic analyses, and preparation of design drawings and technical specifications for construction.
NewExperienced P&C Field Services Technician WSP Global IncExperienced P&C Field Services TechnicianSaint Louis, MOTechnical skills related to protective relays include relay calibration utilizing test sets/measuring devices such as Omicron CMC 256/356 and Doble F6150, control scheme testing, testing of the sensing CT/PT circuits, ability to upload settings to microprocessor relays, and static & dynamic testing of microprocessor-based protective relays. Successful applicants will be involved in projects with our PTE Team and be a part of a growing organization that is solving problems and supporting client needs in electrical testing and commissioning in utility substations, industrial, and bulk electrical power systems.
Experienced Refrigeration Engineer Mead & HuntExperienced Refrigeration EngineerSt. Louis, Missouri$100,000–$150,000 / yearIf you have strong communication and organizational skills, are self-motivated, and can work well both independently and as part of a team, we can help you grow your career by working with industry experts on exciting projects. The employee is occasionally required to stand; walk; use hands to finger, handle, or feel objects, tools, or controls; reach with hands and arms; and stoop, kneel, crouch, or crawl.