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Prototype Engineer Jobs in Illinois (NOW HIRING)

Mechanical Engineer II

Dixon, IL ยท On-site

$60K - $80K/yr

Under the direction of the Engineering Manager, the Mechanical Engineer II is responsible for ... Create, monitor and document tests for products, prototypes and components. * Trouble shoot shop ...

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Design Engineer

Wood Dale, IL ยท On-site

$70K - $90K/yr

With in-house engineering and a responsive, collaborative culture, we adapt quickly to customer ... Intimately involved in the assembly of prototypes * Follow any other instructions and perform any ...

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Design Engineer

Wood Dale, IL ยท On-site

$70K - $90K/yr

With in-house engineering and a responsive, collaborative culture, we adapt quickly to customer ... Intimately involved in the assembly of prototypes * Follow any other instructions and perform any ...

AI Product Engineer

Chicago, IL ยท On-site

$145K - $182K/yr

Prototypes validate advisor workflows quickly and reliably * Downstream production engineers can operationalize prototypes with minimal friction * Team moves from idea โ†’ evidence โ†’ validated ...

Associate AI Engineer

Chicago, IL ยท On-site

$85K/yr

Prototypes validate advisor workflows quickly and reliably * Downstream production engineers can operationalize prototypes with minimal friction * Team moves from idea โ†’ evidence โ†’ validated ...

AI Development Engineer

Northbrook, IL ยท Hybrid

$110K - $130K/yr

Key Responsibilities Build and iterate AI prototypes that can do tens of thousands of financial and pricing calculations to consistently find the best outcomes across PEO workflows including benefits ...

This is not a traditional engineering role with long delivery cycles ... You will be expected to go from concept to working prototype in days, not months, while maintaining ...

This is not a traditional engineering role with long delivery cycles ... You will be expected to go from concept to working prototype in days, not months, while maintaining ...

Electrical Engineer

Jacksonville, IL ยท On-site

$90K - $110K/yr

Assemble, test, debug, and refine prototypes and pre-production units , ensuring alignment with engineering requirements. * Develop and build test fixtures, jigs, and simulators , including wiring ...

Mechanical Engineer

Decatur, IL ยท On-site

$65K - $95K/yr

Support prototype, pilot, and production builds while working closely with manufacturing and operations teams. * Collaborate with validation engineers to support machine testing and ensure robust ...

Electrical Engineer

Chillicothe, IL ยท On-site

$70K - $105K/yr

RFA Engineering (www.rfamec.com) is an engineering service provider dedicated to delivering our ... Troubleshoot electrical and electronic system issues discovered during prototype, pilot, and ...

This is not a traditional engineering role with long delivery cycles ... You will be expected to go from concept to working prototype in days, not months, while maintaining ...

You will be expected to go from concept to working prototype in days, not months, while maintaining ... on engineering across data and AI agents, and the interpersonal skills to earn trust, drive ...

Architect and build end-to-end prototypes and reusable assets, including AI-enabled applications ... Establish and evolve engineering standards for innovation delivery (reference architectures ...

Showing results 21-40

Prototype Engineer information

See Illinois salary details

$28

$35

$37

How much do prototype engineer jobs pay per hour?

As of Aug 6, 2026, the average hourly pay for prototype engineer in Illinois is $35.35, according to ZipRecruiter salary data. Most workers in this role earn between $33.32 and $37.26 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 cities in Illinois are hiring for Prototype Engineer jobs? Cities in Illinois with the most Prototype Engineer job openings:
Infographic showing various Prototype Engineer job openings in Illinois as of August 2026, with employment types broken down into 92% Full Time, 2% Part Time, and 6% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $73,518 per year, or $35.3 per hour.

Mechanical Engineer II

Bonnell Industries Inc.

Dixon, IL โ€ข On-site

$60K - $80K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 24 days ago


Job description

Description:

Under the direction of the Engineering Manager, the Mechanical Engineer II is responsible for carrying out the duties of the Engineering department, including design, detailing, research, prototyping, engineering documentation, and estimating. Primary focus will be on product redesign, cost reduction, and design for manufacturing.

  • Turn concepts into manufacturable 3D models and generate necessary supporting documentation. Primary focus will be on the Snow & Ice removal equipment division, both for the Bonnell and Flink Brand Product Lines.
  • Follow project scopes and constraints to develop innovative and cost-effective engineered solutions.
  • Participate in design reviews with product development and production teams.
  • Follows new products and design improvements through to successful completion.
  • Task Management: Handles moderately complex problems from start to finish.
  • Manage documents and workflows utilizing SolidWorks PDM.
  • Create, monitor and document tests for products, prototypes and components.
  • Trouble shoot shop floor issues with production team members.
  • Partner with production to utilize the most effective manufacturing processes.
  • Support shop with drawings, instructions., as needed.
  • Examine, test, and evaluate conceptual designs not found in the industry, or ones used by competitors.
  • Create and distribute service bulletins as necessary, partnering with the Customer Service Team.
  • Develop operation manuals, including illustrations, safety, assembly, operation & service information.

Full Time Benefits

  • 401K with Company Match
  • Profit Sharing
  • Dental, Vision, Medical Insurance
  • Health Savings Account with Company Match
  • Company Provided Life Insurance
  • Company Provided Short Term Disability
  • Company Provided Long Term Disability
  • Referral Program
  • Tuition Reimbursement
  • Paid Time Off
  • Paid Training
  • Paid Holidays
  • Opportunities for Advancement
  • Apparel Allowance
  • Safety Boot Allowance
  • Prescription Safety Glass Allowance
Requirements:

Competencies

  • Technical Capacity.
  • Problem Solving/Analysis.
  • Customer/Client Focus.
  • Communication Proficiency.
  • Teamwork Orientation.
  • Thoroughness.

Core Values

  • Quality.
  • Customer Relations.
  • Loyal.
  • Teamwork.
  • Positive.

Supervisory Responsibility

None.


Work Environment

This job is operated in a professional office environment with frequent visits to the production floor. This role routinely uses standard office equipment such as computers, phones, photocopiers, printers, filing cabinets. Knowledgeable use of common measuring devices such as tape measures, calipers, squares, and protractors will be used routinely.


Position Type/Expected Hours of Work

This is a full-time position. Evening and weekend work may be required as job duties demand.


Preferred Education and Experience

  • Bachelor’s degree in industrial design, mechanical engineering or related field
  • Previous experience in industrial design, mechanical engineering or related field.
  • Ability to plan, schedule, coordinate and solve problems effectively.
  • In-depth knowledge of SolidWorks or other 3D CAD software, including use of FEA, wire and hose routing, schematics, and PDM.
  • Experience in a production environment.
  • Extensive knowledge of metal fabrication processes, including material selection, sheet metal, welding, fixturing, finishing and assembly.
  • Working knowledge of machine assembly, linkage design, etc.
  • Hydraulic & hydrostatic systems.
  • Power transmission and drive line systems.
  • 12V Electrical systems, CAN bus, programming logic.
  • Regulatory experience - OSHA, DOT, NHTSA, CFR.
  • Air flow evaluation and design.
  • Debris/dust collection, material handling, & filtration systems.
  • Ergonomics/operator environment design.

Travel

Travel is primarily local during the business day, although some out of the area and overnight travel may be expected. All travel must be approved in advance by management. Please refer to the employee handbook for all applicable policies.


Physical Demands

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job.

While performing the duties of this job, the employee is regularly required to talk or hear. The employee frequently is required to stand; walk; use hands to grip, handle or feel; and reach with hands and arms. The employee may occasionally lift up to 40 pounds.