542 Results for

Mechanical Engineering Jobs in Saint Louis, MO

Jobs

Senior Engineer - Mechanical Design Kelso Industries

St. Louis, MO

You will own the day-to-day mechanical design on assigned projects: running calculations, selecting equipment, developing drawings and models, and coordinating with other disciplines, so design becomes complete, accurate construction documents. The Senior Engineer supports the Lead Engineer on data centers, mission-critical facilities and large industrial plants delivered through design-build and design-assist.

13 days ago

Mechanical Design Engineer Hydromat Inc

St. Louis, MO

This position is responsible for preparing final models and assemblies used for analysis, applying best practices, strong knowledge of GD&T, and understanding of final geometry of assemblies; performing modifications of drawings as directed by the Engineering Manager or the Project Engineer. A strong background in general manufacturing, working with blueprints, engineering drawings, machine and fabrication processes, weldments, sheet metal designs, and casting designs is highly preferred.

30+ days ago

Process Engineering Co-op - Ice True Manufacturing Company, Inc.

O Fallon, MO

The Process/Project Engineering Co-op will work with the Process and Project Engineers to provide day to day support for all production lines, perform engineering design projects, and develop and implement production related projects. This position requires work to be performed on-site at our corporate office and does not provide for working from home offices.

18 days ago

Project Engineering Co-op True Manufacturing Company, Inc.

O Fallon, MO

The Process/Project Engineering Co-op will work with the Process and Project Engineer to provide day to day support for all production lines, perform engineering design projects, and develop and implement production related projects. Full time student, pursuing a bachelor's degree in industrial engineering, mechanical engineering, engineering management or similar field required.

18 days ago

Process/Project Engineering Co-op True Manufacturing Company, Inc.

18 days ago

Application Engineering Co-Op Nidec Motor Corporation

St. Louis, MO

Pre-approval from the Nidec Talent Acquisition team is required before any external candidate can be submitted and such candidate must be submitted to the Nidec Talent Acquisition team. The Application Engineering Co-Op is a technically inclined individual to aid in creating custom motor solutions that solve customer system issues for general industry applications.

3 days ago

Engineering Summer Internship Program 2027 Essex Industries Inc

Saint Louis, MO

Full time

Our Summer Engineering Internship Program gives students hands-on experience working alongside experienced professionals on meaningful projects that support real business and manufacturing needs. Join Essex Industries and spend your summer gaining valuable experience, developing your professional skills, and contributing to products and projects that make a meaningful impact.

30+ days ago

Consultant - Fire And Life Safety Engineering WSP

Saint Louis, MO

$79,000–$107,000 / year

This is delivered behaviorally, through our policies, trainings, local partnerships with professional diverse organizations, internal networks and most importantly with the support and sponsorship of our leaders who help drive our commitment to an inclusive, diverse, welcoming and equitable work environment. 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.

30+ days ago

Mechanical & Plumbing Virtual Construction Manager Murphy Company

Saint Louis, Missouri

The VCM collaborates closely with the ACP, designers/detailers, trade partners, and field teams (via ACP) to ensure coordinated, accurate, and buildable models that align with project goals, schedules, and budgets. Position Summary The Mechanical & Plumbing Virtual Construction Manager (VCM) is responsible for leading virtual and construction (VC) efforts for mechanical sheet metal, piping and plumbing systems from preconstruction/engineering or estimating through project VC completion.

30+ days ago

Engineering CO-OP Amsted Rail Co Inc

Granite City, IL

Amsted Rail is a private, employee-owned global manufacturer and the worlds leading provider of fully integrated bogie systems for the heavy-haul freight industry. This position offers hands-on experience in a manufacturing environment, working directly with engineers, maintenance professionals, machinists, and production teams on real-world projects that impact daily operations.

30+ days ago

Mechanical Design & Analysis Engineer Qnity Electronics

Chesterfield, Missouri

Make a direct customer impact – Work on custom development projects that help customers solve real-world challenges, collaborating closely with engineering, manufacturing, and commercial teams from concept through production. Analyze designs utilizing Abaqus CAE finite element analysis (FEA) or Ansys Forming, and internally developed tools, to provide analysis packages containing key data points needed to evaluate the effectiveness in the customer application.

13 days ago

Structural Engineering Intern Civil Works - Summer 2027 Jacobs Solutions Inc

St. Louis, MO

As a member of our Special Structures team, you'll have the chance to work as a Structural Intern on a variety of projects, including coastal and riverine flood control and lock & dam projects for our U.S. Army Corps of Engineers client, municipal water/wastewater projects and research/development projects. At Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement, scientific discovery and cutting-edge manufacturing, turning abstract ideas into realities that transform the world for good.

30+ days ago

R&D Engineering Test Technician Intern MiTek

Earth City, Missouri

With nearly 5,600 team members worldwide, MiTek collaborates across the building industry to enable and accelerate transformational breakthroughs in design and construction to transform the way the industry designs, makes, and builds. Today, MiTek delivers software, services, engineered products, and automated solutions that enable the building industry to improve efficiencies by optimizing the balance between off-site and on-site.

7 days ago

Engineering Intern Control Devices LLC

Fenton, MO

Temporary
Quick Apply

About Control Devices, LLCControl Devices, LLC ("Control Devices" or "CD") is a leading designer & manufacturer of high-quality flow control valves, condensate removal traps, related components & accessories serving the compressed air, pressure washer, vehicle systems, fire protection, specialty gas, & the industrial, agricultural & food service float valve markets. Position Title: Engineering InternDepartment: EngineeringLocation: Fenton, MOReports To: Engineering ManagerClassification: Hourly - Non-Exempt(Spring Co-Op is estimated to start January 2027 - August 2027) Position Summary:The Engineering Intern is primarily responsible for supporting the Engineering group with document control, CAD drawing, design work, production testing and other engineering related tasks.

30+ days ago

Engineering Systems - Dassault 3DExperience Solution Architect Accenture Plc

St. Louis, MO

Go deep to get the lay of the land of the industry, product development, impacts on manufacturing, and supply chain challenges that clients are facing to grasp clients' transformation opportunities in the context of global, economic, technology, and industry trends. Apply strong analytical skills to dig deep into clients' R&D and PLM capabilities to identify where clients can leverage Digital Thread & Twin technologies for the greatest strategic impact and to drive business outcomes.

30 days ago

Engineering Fall Co-Op Ameren

Saint Louis, MO

$21–$30 / hour

If you are selected for an intern or co-op position, please note that Ameren does offer a housing stipend to interns and co-ops who are temporarily relocating, if minimum housing stipend requirements (living & attending school 50+ miles away from your working location) are met. Ameren Missouri ranks as the largest electric power provider in Missouri, and Ameren Illinois ranks as Illinois' third largest natural gas distribution operation in total number of customers.

30+ days ago

Engineering Spring Co-Op Ameren

Saint Louis, Missouri

$21–$30 / hour

30+ days ago

Entry Level Safety Engineer Barry-Wehmiller

Clayton, Missouri

$75,000–$90,000 / year

By blending people-centric leadership with disciplined operational strategies and purpose-driven growth, Barry-Wehmiller has become a $3 billion organization with nearly 12,000 team members united by a common belief: to use the power of business to build a better world. Rooted in our distinct culture of Truly Human Leadership, we cultivate the leaders who will define tomorrow and partner with our clients in the food & beverage, life sciences, industrial, and advanced technology industries to build the future of manufacturing and technology.

20 days ago

Entry Level Project Engineer, Packaging Barry-Wehmiller

Clayton, Missouri

$75,000–$90,000 / year

30+ days ago

Entry Process Automation Systems Engineer Emerson Electric Co

St. Louis, MO

Through our deep domain expertise and legacy of flawless execution, Emerson helps customers in critical industries like life sciences, energy, power and renewables, chemical and advanced factory automation operate more sustainably while improving productivity, energy security and reliability. We provide project management, engineering and design services, and supply of control systems hardware and software for control system projects in the refining, chemical, petrochemical, oil and gas production, pulp and paper, pharmaceutical, food and beverage, and power industries.

30+ days ago

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Mechanical Engineering Jobs in Saint Louis, MO

Senior Engineer - Mechanical Design Kelso Industries

Mechanical Design Engineer Hydromat Inc

Process Engineering Co-op - Ice True Manufacturing Company, Inc.

Project Engineering Co-op True Manufacturing Company, Inc.

Process/Project Engineering Co-op True Manufacturing Company, Inc.

Application Engineering Co-Op Nidec Motor Corporation

Engineering Summer Internship Program 2027 Essex Industries Inc

Consultant - Fire And Life Safety Engineering WSP

Mechanical & Plumbing Virtual Construction Manager Murphy Company

Engineering CO-OP Amsted Rail Co Inc

Mechanical Design & Analysis Engineer Qnity Electronics

Structural Engineering Intern Civil Works - Summer 2027 Jacobs Solutions Inc

R&D Engineering Test Technician Intern MiTek

Engineering Intern Control Devices LLC

Engineering Systems - Dassault 3DExperience Solution Architect Accenture Plc

Engineering Fall Co-Op Ameren

Engineering Spring Co-Op Ameren

Entry Level Safety Engineer Barry-Wehmiller

Entry Level Project Engineer, Packaging Barry-Wehmiller

Entry Process Automation Systems Engineer Emerson Electric Co

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