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Full Time Inventor Jobs in St Louis, MO (NOW HIRING)

Degree from a four-year institution or equivalent work experience required or a 2 year full-time ... Preferably AutoCad, Autodesk Inventor, Solidworks, and Visi experience. Excellent knowledge of ...

Full Time Inventor information

See St Louis, MO salary details

$64.7K

$99.4K

$145.8K

How much do full time inventor jobs pay per year?

As of Aug 16, 2026, the average yearly pay for full time inventor in St. Louis, MO is $99,410.00, according to ZipRecruiter salary data. Most workers in this role earn between $82,200.00 and $111,800.00 per year, depending on experience, location, and employer.

What is the difference between Full Time Inventor vs Product Developer?

AspectFull Time InventorProduct Developer
CredentialsTypically requires engineering, design, or technical degreesOften holds engineering, design, or related degrees
Work EnvironmentResearch labs, innovation centers, or independent workshopsCorporate offices, manufacturing sites, or design studios
Employer & IndustryStartups, R&D firms, or independent inventorsManufacturers, tech companies, or consumer goods firms
Search & Comparison IntentFocus on innovation, patents, and invention processFocus on product design, development, and market launch

Full Time Inventors primarily focus on creating new inventions and securing patents, often working independently or in R&D settings. Product Developers, on the other hand, work on transforming concepts into market-ready products within corporate environments. While both roles require technical skills and innovation, their daily tasks and goals differ significantly.

What jobs do full time inventors have?

Full time inventors typically work as independent creators, research and development specialists, or in innovation roles within companies. They often focus on designing new products, patent applications, and prototyping, requiring skills in engineering, design, and patent law. These roles may involve collaboration with manufacturers, investors, or research institutions.

What are the most commonly searched types of Inventor jobs in St. Louis, MO?

The most popular types of Inventor jobs in St. Louis, MO are:

What job categories do people searching Full Time Inventor jobs in St. Louis, MO look for?

The top searched job categories for Full Time Inventor jobs in St. Louis, MO are:

Infographic showing various Full Time Inventor job openings in St. Louis, MO as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $99,410 per year, or $47.8 per hour.

Winchester Equipment Mechanical Engineer

Olin Corporation

East Alton, IL • On-site

$91K - $116K/yr

Full-time

Posted 25 days ago


Olin Corporation rating

6.5

Company rating: 6.5 out of 10

Based on 32 frontline employees who took The Breakroom Quiz

84th of 100 rated chemical manufacturers


Job description

Title: Equipment Mechanical Engineer
Location: East Alton, IL
Salary: $91,100 to $116,000 depending on relevant experience
Schedule: Onsite, Monday through Friday

Focus: The Equipment Engineer is responsible for designing and improving mechanical systems for new and existing industrial automation equipment used in manufacturing smallcaliber ammunition and components. This role develops creative engineering solutions that enhance efficiency, reliability, product quality, and safety while reducing operational costs. The Equipment Engineer supports the full project lifecycle-from concept development through implementation and ongoing operational support.

Equipment Engineer Essential Job Functions:

  • Evaluate and design modifications to existing machinery to improve efficiency, reliability, safety, product quality, and cost effectiveness.
  • Develop and prepare Capital Requests for equipment-related projects, leading efforts from concept through installation, commissioning, and support.
  • Collaborate closely with vendors during quoting, design, and build phases to ensure equipment meets specifications and performance requirements.
  • Assist Maintenance in troubleshooting mechanical, pneumatic, and hydraulic systems to support uptime and operational goals.
  • Recommend and implement equipment and process improvements aligned with performance, safety, and quality objectives.
  • Direct and coordinate internal teams and external contractors during installation of new equipment and during equipment upgrade projects.


 Equipment Engineer Minimum Requirements:

  • Bachelor's degree* in Mechanical Engineering.  Must have an overall grade point average of 3.0 or higher on a 4.0 scale.  
  • Minimum of 6+ months of related engineering coop, internship, or fulltime experience; three years of designfocused engineering experience preferred.  Candidates with 2+ years of recent, full-time engineering work experience do not require GPA documentation.
  • Proficiency with Microsoft Office; experience with Inventor and AutoCAD preferred.
  • Handson experience with mechanical troubleshooting of automation equipment preferred.
  • Experience with power presses, packaging equipment, or partsfeeding systems preferred.
  • Creative, selfmotivated, and able to think independently to develop practical engineering solutions.
  • Demonstrated ability to lead strategic initiatives while supporting daily operations in a highvolume manufacturing environment.
  • Strong analytical, problem-solving, and communication skills, with the ability to work effectively across teams.


Location-Specific Requirements: 

  • This position requires successful vetting as an Employee Possessor in accordance with U.S. Department of Justice and the Bureau of Alcohol, Tobacco, Firearms and Explosives.
  • This 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.


Strong Careers Grow Here
Rooted in our corporate values, Olin continues to be the global leader in both ammunition and chemical manufacturing. We invest, recognize, and reward the talents and contributions of our employees, empowering over 8,000 global individuals to make an impact both at work and in surrounding communities.

View a snapshot of our comprehensive benefits package

Olin fosters a diverse and inclusive workplace, where you are encouraged to join or lead our Olin People Networks. These voluntary groups connect employees across sites, divisions and functions to strengthen connections, belonging, and community involvement.

*Degree must be from a school that is accredited by an accrediting agency recognized by the Secretary of Education of the U.S. Department of Education or equivalent program from an international university.  

Olin does not provide any form of sponsorship.  We will only employ those who are legally authorized to work in the United States.  Individuals with temporary visas such as E, F-1, H-1, H-2, L, B, J or TN or who need sponsorship now or in the future, are not eligible for hire.

Olin is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability status, protected veteran status, or any other characteristic protected by law.

#Winchester


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