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Prototype Engineer Jobs in Missouri (NOW HIRING)

Senior Device Engineer

Maryland Heights, MO

$101K - $138K/yr

Develops prototypes of design concepts for engineering testing and evaluation. Generates or reviews/approves SOPs, test protocols, engineering test reports and provides laboratory oversight as needed.

Senior Device Engineer

Maryland Heights, MO

$101K - $138K/yr

Develops prototypes of design concepts for engineering testing and evaluation. Generates or reviews/approves SOPs, test protocols, engineering test reports and provides laboratory oversight as needed.

Senior Device Engineer

Maryland Heights, MO · On-site

$101K - $138K/yr

Develops prototypes of design concepts for engineering testing and evaluation. Generates or reviews/approves SOPs, test protocols, engineering test reports and provides laboratory oversight as needed.

Senior Device Engineer

Maryland Heights, MO

$101K - $138K/yr

Develops prototypes of design concepts for engineering testing and evaluation. Generates or reviews/approves SOPs, test protocols, engineering test reports and provides laboratory oversight as needed.

Principal AI Engineer Location: Springfield, Missouri Department: Information Technology Employment ... You will create natural language-to-SQL solutions, design semantic data models, build prototypes ...

Embedded Software Engineer

MO · On-site

$123K - $162K/yr

... Prototype build and evaluation o Engineering documentation o Production transition • Work closely with electrical engineering during schematic review, component selection and prototype bring-up to ...

This includes the design, prototyping and qualification of new products. The Project Engineer will lead a team of engineers and other professionals to ensure timely completion and high-quality ...

This includes the design, prototyping and qualification of new products. The Project Engineer will lead a team of engineers and other professionals to ensure timely completion and high-quality ...

Mechanical Engineer

Hazelwood, MO · On-site

$90K - $115K/yr

Join Us as a Mechanical Engineer at Potter Global Technologies At Potter Global Technologies, we've ... Oversee prototype development, testing, and design iteration based on test results. * Select ...

Design, prototype, assess and review mechanical components and assemblies; * Provide support in ... Provide engineering support for material selection during the design and development phase ...

Design, prototype, assess and review mechanical components and assemblies; * Provide support in ... Provide engineering support for material selection during the design and development phase ...

R&D Engineer This is a high-impact role requiring a strategic mix of design-level intuition and ... from early-stage prototypes (POC/EVT/DVT) through to production-ready status. * Operational ...

This is a hands-on engineering role serving as the senior AI-focused technical contributor ... Build prototype AI applications that demonstrate new capabilities and validate high-value business ...

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Showing results 1-20

Prototype Engineer information

See Missouri salary details

$27

$34

$36

How much do prototype engineer jobs pay per hour?

As of Jun 16, 2026, the average hourly pay for prototype engineer in Missouri is $34.21, according to ZipRecruiter salary data. Most workers in this role earn between $32.26 and $36.06 per hour, depending on experience, location, and employer.

What are some common challenges Prototype Engineers face when transitioning designs from concept to functional prototypes?

Prototype Engineers often encounter challenges such as interpreting incomplete or evolving design specifications, sourcing unconventional materials, and working within tight deadlines. Close collaboration with design, engineering, and manufacturing teams is essential to resolve technical issues quickly and ensure the prototype aligns with the intended functionality. Flexibility and creative problem-solving are key, as unexpected obstacles frequently arise during the rapid iteration and testing phases.

What is a Prototype Engineer?

A Prototype Engineer is a professional who designs, builds, and tests early versions of products or components to evaluate their functionality and performance before mass production. They collaborate with designers, engineers, and product managers to turn concepts into tangible prototypes, using a variety of fabrication techniques and materials. Their work helps identify potential design improvements, troubleshoot issues, and ensure that the final product meets technical and user requirements.

What are the key skills and qualifications needed to thrive as a Prototype Engineer, and why are they important?

To thrive as a Prototype Engineer, you need strong skills in mechanical or electrical engineering, rapid prototyping techniques, and a relevant engineering degree. Familiarity with CAD software, 3D printing technologies, and hands-on fabrication tools is typically required, along with knowledge of prototyping standards. Creativity, problem-solving, and effective communication are essential soft skills to excel in cross-functional teams and adapt to evolving project requirements. These abilities enable successful design iteration, effective collaboration, and efficient transition from concept to functional prototype.

What Does a Prototype Engineer Do?

A prototype engineer is part of a product development team that designs prototypes for new kinds of industrial products. Many companies employ design engineers to perform numerous technical duties, such as drawing up schematics and blueprints, overseeing the production of prototypes, and testing those prototypes to decide whether they should enter mass production. The career requires significant educational qualifications and a variety of skills and experience. You should have an engineering degree in the field you wish to enter, strong analytical problem-solving, and the ability to work as part of a large team.

What are popular job titles related to Prototype Engineer jobs in Missouri? For Prototype Engineer jobs in Missouri, the most frequently searched job titles are:
Infographic showing various Prototype Engineer job openings in Missouri as of June 2026, with employment types broken down into 8% Internship, 84% Full Time, and 8% Part Time. Highlights an 92% In-person, and 8% Hybrid job distribution, with an average salary of $71,164 per year, or $34.2 per hour.
Mechanical Engineer/Senior - Design

Mechanical Engineer/Senior - Design

Emerson

Saint Louis, MO

$84K - $116K/yr

Full-time

Medical, Dental, Vision, Retirement

Posted 14 days ago


Emerson Electric rating

8.0

Company rating: 8.0 out of 10

Based on 20 frontline employees who took The Breakroom Quiz

141st of 418 rated machine equipment manufacturers


Job description

Emerson Tool Company, located in St. Louis, MO, is seeking a Mechanical Engineer/Senior - Design to join our collaborative international team focused on product design and development. In this role, you will contribute to all stages of new product development-from early ideation through production-as well as provide sustaining engineering support for existing product lines. You will work in a handson, multifunctional environment that values curiosity, innovation, and learning. Our teams design 3D models, build and evaluate prototypes, and leverage our inhouse rapid prototyping and certified UL lab capabilities. Emerson Tool Company proudly manufactures RIDGID Wet/Dry Vacs, ProTeam commercial products, and related accessories.

In This Role, Your Responsibilities Will Be:

  • Collaborate with product managers, industrial designers, marketing, sales, and operations to define product requirements and deliver highquality solutions.

  • Conduct research and development activities to explore emerging technologies and incorporate them into products.

  • Conceive ideas, create concepts, and design, prototype, and develop solutions that enhance product performance, quality, and customer value.

  • Stay informed on advancements, trends, and competitive products through continuous learning and analysis.

  • Support the creation and execution of intellectual property strategies, including contributions to patent applications.

  • Establish project budgets, plan staffing needs, and schedule work to meet project timelines efficiently.

  • Provide written and verbal project updates while identifying opportunities to improve processes or objectives.

  • Identify, analyze, and implement costreduction initiatives.

  • Support sustaining engineering efforts and partner with operations to resolve product or production issues.

  • Monitor prototype builds, laboratory testing, and agency qualification activities throughout product development.

Who You Are:

You bring curiosity and a willingness to explore new approaches when solving problems. You encourage collaboration and diverse thinking to arrive at the best solutions and help others succeed. You set ambitious goals and consistently deliver results through focus and discipline. You take ownership, honor commitments, and learn from challenges to continuously improve your work and the work of your team.

For This Role, You Will Need:

  • Bachelor's degree in Mechanical Engineering, Electrical Engineering, or a related field.

  • 5+ years of experience in research, development, or engineering, including work in new product development.

  • Experience with 3D modeling, drafting, or CAE tools.

  • Strong verbal and written communication skills with the ability to engage effectively across multifunctional teams and all organizational levels.

  • Ability to identify, analyze, and solve engineering challenges using structured problemsolving and documentation methods.

  • Comfort using hand tools and fullsize power tools during prototyping and testing.

  • Ability to travel domestically and internationally.

  • Legal authorization to work in the United States; Emerson does not offer sponsorship for this position.

Preferred Qualifications That Set You Apart:

  • Master's degree in Mechanical Engineering, Electrical Engineering, or related advanced field.

  • 7+ years of engineering experience, with a strong background in new product development.

  • Proficiency in 3D modeling/drafting/CAE platforms such as Siemens NX and Teamcenter.

  • Experience in one or more of the following:

- Plastic part manufacturing, including injection molding and extrusion

- Fluid dynamics analysis and simulation

- Finite element analysis and failure analysis

- Acoustic analysis and sound quality optimization

- Testing and refinement of consumer appliances

  • Previous design experience in power tools, HVAC equipment, or other consumer products.

  • Demonstrated record of product innovation.

Our Culture and Commitment To You:

At Emerson, we prioritize a workplace where every employee is valued, respected, and empowered to grow. We foster an environment that encourages innovation, collaboration, and diverse perspectives-because we know that great ideas come from great teams. Our commitment to ongoing career development and growing an inclusive culture ensures you have the support to thrive. Whether through mentorship, training, or leadership opportunities, we invest in your success so you can make a lasting impact. We believe diverse teams, working together are key to driving growth and delivering business results.

We recognize the importance of employee wellbeing. We prioritize providing flexible, competitive benefits plans to meet you and your family's physical, mental, financial, and social needs. We provide a variety of medical insurance plans, with dental and vision coverage, Employee Assistance Program, 401(k), tuition reimbursement, employee resource groups, recognition, and much more. Our culture offers flexible time off plans, including paid parental leave (maternal and paternal), vacation and holiday leave.
Emerson will only employ those who are legally authorized to work in the United States. This is not a position for which sponsorship will be provided. Individuals with temporary visas such as E, F-1 (including those with OPT or CPT), H-1, H-2, L-1, B, J or TN, or who need sponsorship for work authorization now or in the future, are not eligible.

#LI-BS

WHY EMERSON 

Our Commitment to Our People

At Emerson, we are motivated by a spirit of collaboration that helps our diverse, multicultural teams across the world drive innovation that makes the world healthier, safer, smarter, and more sustainable. And we want you to join us in our bold aspiration.

We have built an engaged community of inquisitive, dedicated people who thrive knowing they are welcomed, trusted, celebrated, and empowered to solve the world's most complex problems - for our customers, our communities, and the planet. You'll contribute to this vital work while further developing your skills through our award-winning employee development programs. We are a proud corporate citizen in every city where we operate and are committed to our people, our communities, and the world at large. We take this responsibility seriously and strive to make a positive impact through every endeavor.

At Emerson, you'll see firsthand that our people are at the center of everything we do. So, let's go. Let's think differently. Learn, collaborate, and grow. Seek opportunity. Push boundaries. Be empowered to make things better. Speed up to break through. Let's go, together.

Work Authorization

Emerson will only employ those who are legally authorized to work in the United States. This is not a position for which sponsorship will be provided. Individuals with temporary visas such as E, F-1(including those with OPT or CPT) , H-1, H-2, L-1, B, J or TN, or who need sponsorship for work authorization now or in the future, are not eligible for hire.

Equal Opportunity Employer

Emerson is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to sex, race, color, religion, national origin, age, marital status, political affiliation, sexual orientation, gender identity, genetic information, disability or protected veteran status. We are committed to providing a workplace free of any discrimination or harassment.

Accessibility Assistance or Accommodation

If you have a disability and are having difficulty accessing or using this website to apply for a position, please contact: idisability.administrator@emerson.com.   


ABOUT EMERSON 

Emerson is a global leader in automation technology and software. 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.

With global operations and a comprehensive portfolio of software and technology, we are helping companies implement digital transformation to measurably improve their operations, conserve valuable resources and enhance their safety.

We offer equitable opportunities, celebrate diversity, and embrace challenges with confidence that, together, we can make an impact across a broad spectrum of countries and industries. Whether you're an established professional looking for a career change, an undergraduate student exploring possibilities, or a recent graduate with an advanced degree, you'll find your chance to make a difference with Emerson. Join our team - let's go!

No calls or agencies please. 


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