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66 mechanical engineer jobs found in St. Louis, MO

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mechanical engineer St Louis, MO
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AS
Dec 17, 2025
Full time
Mechanical Engineer
Ameren Services St. Louis, MO, USA
About Ameren Missouri Ameren Missouri has been providing electric and gas service for more than 100 years, and our electric rates are among the lowest in the nation. Ameren Missouri's mission is to power the quality of life for our 1.2 million electric and 132,000 natural gas customers in central and eastern Missouri. Our service area covers 64 counties and more than 500 communities including the greater St. Louis area. Our benefits include: Medical coverage on date of hire 100% employer paid cash balance pension plan 401(k) with company match fully vested on date of hire Minimum of 15 days paid vacation and 12 paid holidays Paid parental leave and family caregiver leave Visit our Benefits & Perks Page for more information on benefits provided to regular full-time employees. About The Position The Mechanical (ME) Engineer performs engineering studies, designs, technical specification development, construction, and commissioning activities for new natural gas...
GM
Dec 10, 2025
Full time
CN Mechanical Engineer
GAL MANUFACTURING COMPANY LLC St. Louis, MO, USA
Job Title: Mechanical Engineer - Freight Elevator Systems Full-Time Position Courion - St. Louis, MO Courion is seeking a technically skilled and detail-oriented Mechanical Engineer to design and develop custom freight elevator systems and components. This role is responsible for translating customer specifications into manufacturable designs, ensuring safety code compliance, and supporting production and installation teams throughout the engineering process. About Us Vantage Elevation, LLC is North America's leading independent manufacturer of elevator components and systems. Vantage is comprised of seven business units, including GAL Manufacturing, GAL Canada, Hollister-Whitney, Elevator Controls, Courion, Thames Valley Controls, and Vertical Dimensions. Through its brands, Vantage supplies nearly all electro-mechanical devices used in contemporary elevators. The Vantage group employs over 900 staff across the United States, Canada, and the United Kingdom. Courion, based...
RA
Nov 11, 2025
Full time
Mechanical Engineer
Roeslein & Associates St. Louis, MO, USA
Job Description Roeslein & Associates is a global leader in engineering, manufacturing, and construction services, specializing in modular, pre-fabricated solutions for the energy, beverage, and industrial sectors. With a focus on safety, innovation, and sustainability, Roeslein delivers turnkey project execution from concept to commissioning. Our team is driven by a commitment to quality and client success, operating across North America, South America, Europe, and Asia. Please see our website to learn more Roeslein & Associates - Global EPC Services & Solutions. POSITION SUMMARY: The Mechanical Engineer will assist in the design and engineering of facility mechanical systems. ESSENTIAL DUTIES AND RESPONSIBILITIES: Perform hydraulic, thermal, and code calculations to ensure safe, compliant, and cost-effective designs. Engineer process and utility piping systems, including specification selection, sizing, and material selection. Provide technical...
St
Aug 25, 2025
Full time
Mechanical Engineer
Stereotaxis St. Louis, MO, USA
Shift Type Job Title Mechanical Engineer Education Bachelor's Degree Location Stereotaxis - St. Louis, MO 63101 US (Primary) Career Level Experienced (Non-Manager) Category Engineering Date Needed By 12/31/2023 Job Type Full-time Travel 0 - 10% Job Description Company Description: Stereotaxis is the global leader in innovative robotic technologies designed to enhance the treatment of arrhythmias and perform endovascular procedures. Its mission is the discovery, development and delivery of robotic systems, instruments, and information solutions for the interventional laboratory. These innovations help physicians provide unsurpassed patient care with robotic precision and safety, improved lab efficiency and productivity, and enhanced integration of procedural information. Core components of Stereotaxis' systems have received regulatory clearance in the United States, European Union, China, Japan, Canada, and elsewhere. For more information, please visit...
MT
Dec 08, 2025
Full time
Mechanical Engineer (R&D Automated Machinery Design)
MiTek, Inc. Wentzville, MO, USA
Job Description As a Mechanical Engineer, you will work to design, analyze, and test complex mechanical and robotic systems. You will work with engineering, product management, manufacturing, and customers to create automated machinery solutions. From concept to overseeing production, you'll be responsible for bringing automation to life. You will develop and publish new standardized processes and procedures that affect our engineering organization. Your robust machinery designs will help customers improve their production output in the component manufacturer industry. Job Responsibilities & Requirements Responsibilities: Design, develop, evaluate and support automated industrial machinery products with focus on the Component Manufacturing (CM) and off-site construction industry. Lead team members through the planning, development, and deployment of complex mechanical architectures with a high level of integrated automation. Generate mechanical project execution...
In
Oct 16, 2025
Full time
Experienced Mechanical Design Engineer
Intramotev St. Louis, MO, USA
About Us: At Intramotev, we are dedicated to revolutionizing the freight industry by liberating tons of freight from congested highways, reducing carbon emissions, and enhancing transportation efficiency. We are deploying self-propelled battery-electric railcars and vehicles to transform freight logistics and bring innovation to our rail network. Based in St. Louis, MO, we are committed to promoting industrial revitalization, saving lives, and minimizing the environmental impact of trucking/transportation. We actively foster a work environment for every teammate that's welcoming, respectful and inclusive, with great opportunities for professional growth. Find your future with us. Role Overview: Intramotev is seeking an experienced Mechanical Engineer to join our engineering team to lead the design and development of innovative mechanical systems for our self-propelled rail vehicles. This role has a strong mechanical focus and the successful candidate will be a key member...
KI
Oct 02, 2025
Full time
Sr. Mechanical Design Engineer
Kelso Industries St. Louis, MO, USA
Together We Build - Partnership, Innovation, Excellence, and Safety At Kelso Industries, 3,500+ employees across 30 companies work together to deliver exceptional HVAC, mechanical, plumbing, refrigeration, and electrical solutions nationwide. Join us to grow your career, make an impact, and be part of a team where innovation, excellence, and safety come first. Recruiter Notice: We respectfully ask external recruiters and staffing agencies not to submit candidates. We only accept direct applications. Sr. Mechanical Design Engineer Position Description: The Mechanical Design Engineer at NDBS is involved in all aspects of the HVAC design / build process. From project conception through the details of design and field coordination, you will work with our staff of experts sharing and gaining practical knowledge and experience unmatched in this industry. This position is responsible for delivering project design assignments within time and budget parameters while satisfying...
MM
Aug 28, 2025
Full time
Experienced Mechanical Design Engineer
Melton Machine & Control Co. Washington, MO, USA
Job Type Full-time Description Mechanical Design Engineers are responsible for designing custom weld fixtures and/or machines; interacting with customers while managing large and small programs as well as supporting the onsite fabrication and assembly. Mechanical Design Engineers work in a team environment designed to help New Employees become productive quickly. Duties Design weld fixtures and/or machines using Autodesk Inventor and Autodesk Vault. Work with Controls Engineering on the design of the controls systems. Support manufacturing during the fabrication and assembly process. Support onsite runoff of equipment with customers. Assist with the creation of shipping and manual documentation. Troubleshoot issues on or offsite throughout the life of the design. Assist application engineering with new opportunities. Actively participate in department and companywide continuous improvement initiatives. Requirements 7-10 years of experience in a mechanical design...
EN
Dec 17, 2025
Full time
HVAC Controls - Technical Services Engineer I
ENFRA LLC Creve Coeur, MO, USA
About Us At ENFRA, we blend a rich history with a forward-looking vision. With over 100 years of experience, we are a pillar of stability in the energy infrastructure industry and a leader in innovative energy solutions. Our commitment to leveraging emerging technologies ensures that we remain at the forefront of the Energy-as-a-Service sector. We believe in growth-not just for our business, but for our people. Our team members have the opportunity to advance their careers in a supportive environment that values continuous learning and development. We embrace innovation and encourage creative problem solving to tackle the energy infrastructure and energy challenges of tomorrow. Inclusion is at the heart of our culture. We strive to create a workplace where every voice is heard and valued, fostering a collaborative environment where diverse perspectives drive our success. Join us to be part of a legacy of excellence and a future of groundbreaking advancements. At ENFRA,...
Cl
Dec 20, 2025
Full time
Mechanical Engineering Department Leader
Clayco St. Louis, MO, USA
About Us 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. With $7.6 billion in revenue for 2024, Clayco specializes in the "art and science of building," providing fast track, efficient solutions for industrial, commercial, institutional, and residential related building projects. Clayco Design and Engineering (CDE) was created to diversify and grow Clayco's industrial business unit's capabilities with a focus on efficiently delivering robust design-build architectural and engineering solutions. The Clayco Design and Engineering team brings a tremendous amount of engineering expertise to the Clayco enterprise from a wide array of industrial segments such as food & beverage, consumer products, manufacturing, and life-science products. The Role We Want You For The...
FG
Dec 23, 2025
Full time
Natural Gas Compression Engineer
Farnsworth Group St. Louis, MO, USA
Join us and grow your career with a certified Great Place to Work for the last ten years running. We are a team of Engineers, Architects, Surveyors, and Scientists committed to making meaningful contributions to the world around us. Our quest for excellence goes beyond the ordinary; we seek extraordinary people who want to showcase their talents and join us in making a difference for our clients and communities. You will be part of a collaborative group that champions your career and passions, embraces challenges, understands the importance of work-life balance, and shares our commitment to making a positive impact through your work. Farnsworth Group is seeking a Natural Gas Compress ion Engineer in one of the posting locations below. In this role, you will have an opportunity to join a growing engineering team and play a key role in the company's future growth as part of Farnsworth's Energy and Utilities group. This is an excellent opportunity to showcase leadership,...
Cl
Dec 20, 2025
Full time
Senior Fire Protection Engineer
Clayco St. Louis, MO, USA
About Us 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. With $7.6 billion in revenue for 2024, Clayco specializes in the "art and science of building," providing fast track, efficient solutions for industrial, commercial, institutional, and residential related building projects. About Clayco Design and Engineering Clayco Design and Engineering (CDE) was created to diversify and grow Clayco's industrial business unit's capabilities with a focus on efficiently delivering robust design-build architectural and engineering solutions. The Clayco Design and Engineering team brings a tremendous amount of engineering expertise to the Clayco enterprise from a wide array of industrial segments such as food & beverage, consumer products, manufacturing, and life-science...
PP
Dec 18, 2025
Full time
Project Engineer - Electrical
PAULO PRODUCTS COMPANY St. Louis, MO, USA
As an Electrical - Project Engineer, you will provide design and maintenance support for equipment, facilities, and manufacturing processes for all Paulo facilities. This includes the ongoing evaluation and upgrading of existing equipment and facilities as well as the design and development of new equipment to meet Company and customer needs. Key Responsibilities Troubleshoot and resolve daily equipment-related issues to ensure continuous and efficient operation. Evaluate equipment and processes to define requirements, taking into account functionality, reliability, maintainability, cost-effectiveness, and safety standards. Design and develop new systems and equipment, including control panels, PLC programming, SCADA, HMI, and historical data collection. Oversee all phases of fabrication and installation of these controls systems. Plan and manage engineering projects and ongoing initiatives, including equipment specification, procurement, regulatory compliance, and...
ES
Dec 17, 2025
Full time
Entry Level Design Engineer - Gas Utilities
ENTRUST Solutions Group St. Louis, MO, USA
Are you ready to join a growing engineering consulting firm with a strong gas utility team supporting clients across multiple industries? ENTRUST Solutions Group is expanding its footprint in Missouri and seeking talented engineers to support high-pressure gas distribution and transmission projects. Our Gas Programs team is at the forefront of utility infrastructure, working on main replacements, public improvements, pipelines, regulator stations, and trenchless installations. As a Design Engineer, you'll be part of a multidisciplinary team, collaborating closely with project engineers and designers to deliver high-quality engineering solutions. You'll perform engineering calculations, design pipeline routes, and develop construction estimates. This is a fantastic opportunity to grow your career while contributing to meaningful infrastructure projects in a supportive and close-knit office environment. This role offers hybrid work flexibility, with site visits and in-person...
CE
Dec 07, 2025
Full time
Electrical Engineer
CDG Engineers Inc St. Louis, MO, USA
Job Type Full-time Description As an Electrical Engineer at CDG Engineers, you will be a key player in developing innovative solutions to complex engineering challenges. You will work independently and as part of a team to design and implement electrical systems for a variety of industries, including power utilities, renewable energy, and heavy industrial. Your ability to learn new technologies quickly and your commitment to quality will be essential to your success in this role. This is a hybrid role for an Electrical Engineer at CDG Engineers working in our St. Louis, MO (HQ) office location. Requirements for the role: Bachelor's degree in Electrical Engineering 2+ years of relevant experience Demonstrated expertise in any core area of: T&D Substation design Renewable Energy - Solar, BESS, Electrification Power Engineering with a focus on heavy industrial systems System Relaying Working ability with AutoCAD, Revit, or similar...
MS
Dec 06, 2025
Full time
VDC Engineer
Mechanical Solutions St. Louis, MO, USA
VDC Engineer TW Constructors (TWC) Full Time St. Louis, MO About Us: TW Constructors has been a leader in design/build construction, interior renovations, and construction management in the St. Louis market for over 20 years. Recognized as the Largest Minority Owned Business Enterprise in the area, our team is committed to excellence throughout the construction process. Founded on principles of collaboration and success, we focus on supporting our clients' objectives for project longevity, sustainability, and community impact. Our extensive network of personnel, subcontractors, and vendors ensures every detail is considered from project conception to completion, including budgeting, scheduling, and construction. At TW Constructors, we build more than facilities, we build community support and success. The Role: The VDC Engineer works with and supports the project team to provide a variety of VDC services. This role is suitable for individuals with a technical background and...
BM
Dec 01, 2025
Full time
Project Engineer
Bull Moose Tube St. Louis, MO, USA
BULL MOOSE TUBE COMPANY, a progressive organization dedicated to providing valuable, high quality products to profitably satisfy the needs of our customers, has an opportunity for an energetic, results focused Project Engineer to be a key contributor to the company's initiatives with the opportunity for upward career growth. The position is based in our Corporate Offices in Chesterfield, MO (just West of St. Louis) and significant travel is expected. Duties: Project scoping and planning ensuring project deliverables are achieved Project management with a focus on minimizing project impact to manufacturing operations Vendor qualification and management Professional ability to create layouts, mechanical, hydraulic and pneumatic drawings Provide engineering support to the Operations and Maintenance Staffs Perform Root Cause Analysis by applying industry recognized techniques Evaluate project effectiveness through proper metrics, monitoring and reporting Qualifications:...
UV
Nov 20, 2025
Full time
Field Service Engineer - Central
UVeye St. Louis, MO, USA
Description At UVeye, we're on a mission to redefine vehicle safety and reliability on a global scale. Founded in 2016, we have pioneered the world's first fully automated suite of vehicle inspection systems. At the heart of this innovation lies our advanced AI-centric technology, representing the pinnacle of computer vision, machine learning, and generative AI within the automotive sector. With over $380M in funding and strategic partnerships with industry giants such as Toyota, Amazon, General Motors, Volvo, and Hertz, our technology is utilized in manufacturing plants, dealerships, wholesale auctions, delivery fleets, security checkpoints, and more. Our growing global team of over 200 employees is committed to creating a workplace that celebrates diversity, encourages teamwork, and strives for excellence. We're looking for a Field Service Engineer to join our growing US Operations Team . In this hands-on, high-impact role, you'll lead on-site installations, directing...
RA
Nov 11, 2025
Full time
Can and Tooling Design Engineer
Roeslein & Associates St. Louis, MO, USA
Job Description Roeslein & Associates is a global leader in engineering, manufacturing, and construction services, specializing in modular, pre-fabricated solutions for the energy, beverage, and industrial sectors. With a focus on safety, innovation, and sustainability, Roeslein delivers turnkey project execution from concept to commissioning. Our team is driven by a commitment to quality and client success, operating across North America, South America, Europe, and Asia. Please see our website to learn more Roeslein & Associates - Global EPC Services & Solutions. Position Summary: The Can and Tooling Design Engineer will be responsible for the design, development, and optimization of aluminum beverage cans and associated tooling. This role involves working with can geometry, tooling, and performance parameters to enhance manufacturing efficiency, product integrity, and sustainability. The candidate will leverage 3D Solid Modeling with field and laboratory...
MC
Nov 05, 2025
Full time
Mid-Career Engineer
Massman Construction Co. St. Louis, MO, USA
Company Overview: Since 1908, our heavy civil and marine contracting company has been developing and improving transportation and commerce along U.S. waterways and infrastructure. For five generations, Massman has been an integral part of our nation's vibrancy and strength through private and public infrastructure investment, as well as an industry leader in markets nationwide. With over 1,700 completed projects, Massman teams have constructed many of our nation's most impressive bridges; complex lock, dam, and flood control structures; and efficient ship barge loading facilities. Our mission is simply to be the best. To achieve it, we foster innovative solutions, leverage advanced technology, provide leadership in each phase of development, and communicate with every stakeholder - all the while honoring schedules and meeting budgets. Position Overview: The Mid-Career Engineer is responsible for all routine on-site project administration, scheduling, and engineering for complex...
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