Prototype, build, validate, and support onsite installations * Drive continuous improvement through engineering change requests and field feedback * Partner with manufacturing and supply chain to ...
Quick apply
Prototype, build, validate, and support onsite installations * Drive continuous improvement through engineering change requests and field feedback * Partner with manufacturing and supply chain to ...
Mechanical Engineering Intern - Energy Storage (Summer 2027)
Delaware, OH · On-site
$17.75 - $24/hr
Position Summary The Mechanical Engineering Intern will support the design, development, testing ... Ability to stand and walk for extended periods during testing and prototype build activities. #LI ...
Mechanical Engineering Intern - Energy Storage (Summer 2027)
Delaware, OH · On-site
$17.75 - $24/hr
Position Summary The Mechanical Engineering Intern will support the design, development, testing ... Ability to stand and walk for extended periods during testing and prototype build activities. #LI ...
Mechanical Engineering Intern - Energy Storage (Summer 2027)
Delaware, OH · On-site
$17.75 - $24/hr
Position Summary The Mechanical Engineering Intern will support the design, development, testing ... Ability to stand and walk for extended periods during testing and prototype build activities. #LI ...
Mechanical Engineering Intern - Energy Storage (Summer 2027)
Delaware, OH · On-site
$17.75 - $24/hr
Position Summary The Mechanical Engineering Intern will support the design, development, testing ... Ability to stand and walk for extended periods during testing and prototype build activities. #LI ...
Senior AI Engineer / Generative AI Engineer
Columbus, OH · On-site
$100K - $138K/yr
... prototyping new ideas, and collaborating with engineering and product teams. Responsibilities: * Design and develop AI-powered applications using Large Language Models (LLMs) * Build AI agents ...
Quick apply
Senior AI Engineer / Generative AI Engineer
Columbus, OH · On-site
$100K - $138K/yr
... prototyping new ideas, and collaborating with engineering and product teams. Responsibilities: * Design and develop AI-powered applications using Large Language Models (LLMs) * Build AI agents ...
Senior AI Engineer / Generative AI Engineer
Columbus, OH · On-site
$97K - $134K/yr
... prototyping new ideas, and collaborating with engineering and product teams. Responsibilities: * Design and develop AI-powered applications using Large Language Models (LLMs) * Build AI agents ...
Senior AI Engineer / Generative AI Engineer
Columbus, OH · On-site
$97K - $134K/yr
... prototyping new ideas, and collaborating with engineering and product teams. Responsibilities: * Design and develop AI-powered applications using Large Language Models (LLMs) * Build AI agents ...
... build a more sustainable future. We are a purpose-led global consultancy partnering with ... Degree in Safety, Engineering, Risk Management, or related discipline * Professional certifications ...
... build a more sustainable future. We are a purpose-led global consultancy partnering with ... Degree in Safety, Engineering, Risk Management, or related discipline * Professional certifications ...
Can we use Freelancer? : No * Named Job Posting? (if Yes - needs to be approved by SCSC) : No ... Software Engineer * Local Role Name : Mobile SDK Dev/ React Native Developer * Local Skills
Can we use Freelancer? : No * Named Job Posting? (if Yes - needs to be approved by SCSC) : No ... Software Engineer * Local Role Name : Mobile SDK Dev/ React Native Developer * Local Skills
Mechanical Design Engineer
Columbus, OH · On-site
$71K - $96K/yr
Build and test prototypes and work directly with the manufacturing team to validate designs. * Get ... Implement engineering changes based on manufacturing and field feedback. * Partner with ...
Mechanical Design Engineer
Columbus, OH · On-site
$71K - $96K/yr
Build and test prototypes and work directly with the manufacturing team to validate designs. * Get ... Implement engineering changes based on manufacturing and field feedback. * Partner with ...
Prototyping/Fabrication Specialist
$30 - $50/hr
Build and integrate mechanical, electrical, and fluid subsystems for prototype electrolyzers, test ... Collaborate with engineers and scientists to set up test stands and validate prototype performance.
Quick apply
Prototyping/Fabrication Specialist
$30 - $50/hr
Build and integrate mechanical, electrical, and fluid subsystems for prototype electrolyzers, test ... Collaborate with engineers and scientists to set up test stands and validate prototype performance.
Sr Java Developer - PA
Westerville, OH · On-site
$55.25 - $70.50/hr
Can we use Freelancer? : No * Named Job Posting? (if Yes - needs to be approved by SCSC) : No ... Engineer * Local Role Name : Sr. Java Dev * Local Skills : java developer * Languages Required ...
Sr Java Developer - PA
Westerville, OH · On-site
$55.25 - $70.50/hr
Can we use Freelancer? : No * Named Job Posting? (if Yes - needs to be approved by SCSC) : No ... Engineer * Local Role Name : Sr. Java Dev * Local Skills : java developer * Languages Required ...
Prototype hands-on alongside engagement teams - rapid discovery, iterative build, collaborative ... Strong technical acumen: ability to work credibly with engineers, understand modern software ...
Prototype hands-on alongside engagement teams - rapid discovery, iterative build, collaborative ... Strong technical acumen: ability to work credibly with engineers, understand modern software ...
Prototype hands-on alongside engagement teams - rapid discovery, iterative build, collaborative ... Strong technical acumen: ability to work credibly with engineers, understand modern software ...
Prototype hands-on alongside engagement teams - rapid discovery, iterative build, collaborative ... Strong technical acumen: ability to work credibly with engineers, understand modern software ...
Prototype hands-on alongside engagement teams - rapid discovery, iterative build, collaborative ... Strong technical acumen: ability to work credibly with engineers, understand modern software ...
Prototype hands-on alongside engagement teams - rapid discovery, iterative build, collaborative ... Strong technical acumen: ability to work credibly with engineers, understand modern software ...
Where the Senior Associate leads the build and owns the structured handoff, you contribute to the ... Account for adoption from the start - recognize that a prototype is only valuable if the ...
Where the Senior Associate leads the build and owns the structured handoff, you contribute to the ... Account for adoption from the start - recognize that a prototype is only valuable if the ...
AI Prototyping & Transformation Associate
Columbus, OH · On-site
$95 - $130/hr
Where the Senior Associate leads the build and owns the structured handoff, you contribute to the ... Account for adoption from the start -- recognize that a prototype is only valuable if the ...
AI Prototyping & Transformation Associate
Columbus, OH · On-site
$95 - $130/hr
Where the Senior Associate leads the build and owns the structured handoff, you contribute to the ... Account for adoption from the start -- recognize that a prototype is only valuable if the ...
Where the Senior Associate leads the build and owns the structured handoff, you contribute to the ... Account for adoption from the start - recognize that a prototype is only valuable if the ...
Where the Senior Associate leads the build and owns the structured handoff, you contribute to the ... Account for adoption from the start - recognize that a prototype is only valuable if the ...
Where the Senior Associate leads the build and owns the structured handoff, you contribute to the ... Account for adoption from the start - recognize that a prototype is only valuable if the ...
Where the Senior Associate leads the build and owns the structured handoff, you contribute to the ... Account for adoption from the start - recognize that a prototype is only valuable if the ...
Build, prototype, and evaluate electronic hardware assemblies in laboratory environments. * Perform ... Apply engineering analysis techniques including SPICE simulation, tolerance analysis, signal ...
Build, prototype, and evaluate electronic hardware assemblies in laboratory environments. * Perform ... Apply engineering analysis techniques including SPICE simulation, tolerance analysis, signal ...
Build, prototype, and evaluate electronic hardware assemblies in laboratory environments. * Perform ... Apply engineering analysis techniques including SPICE simulation, tolerance analysis, signal ...
Build, prototype, and evaluate electronic hardware assemblies in laboratory environments. * Perform ... Apply engineering analysis techniques including SPICE simulation, tolerance analysis, signal ...
Work with manufacturing engineers and production associates to build prototypes and provide direction when needed. * Familiarity with and ability to interpret industry design standards (UL, NEC, and ...
Work with manufacturing engineers and production associates to build prototypes and provide direction when needed. * Familiarity with and ability to interpret industry design standards (UL, NEC, and ...
Freelance Prototype Build Engineer information
See salary details
$29.09 - $29.96
1% of jobs
$29.96 - $30.83
1% of jobs
$30.83 - $31.71
2% of jobs
$31.71 - $32.58
3% of jobs
$32.58 - $33.46
9% of jobs
$33.46 - $34.33
9% of jobs
$34.35 is the 25th percentile. Wages below this are outliers.
$34.33 - $35.21
11% of jobs
The median wage is $35.99 / hr.
$35.21 - $36.08
16% of jobs
$36.08 - $36.95
9% of jobs
$36.95 - $37.83
9% of jobs
$38 is the 75th percentile. Wages above this are outliers.
$37.83 - $38.70
31% of jobs
$29
$36
$38
How much do freelance prototype build engineer jobs pay per hour?
As of Aug 28, 2026, the average hourly pay for freelance prototype build engineer in the United States is $36.48, according to ZipRecruiter salary data. Most workers in this role earn between $34.38 and $38.46 per hour, depending on experience, location, and employer.
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Cities with the most Freelance Prototype Build Engineer job openings:
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Job description
Title: Mechanical Engineer
Location: Columbus, OH
Hire Type: Direct Hire
Compensation: $90-150K yrly (based on experience)
Benefits:Very competitive benefit package offered INCLUDING - Unlimited PTO
Overview:
Ready to help build the future of manufacturing?
We’re partnering with a cutting-edge robotics and AI-driven automation organization that is transforming how intelligent systems operate in real-world manufacturing environments. This team tackles complex engineering challenges and builds systems that adapt, learn, and continuously improve.
If you’re a Mechanical Engineer who thrives on hands-on machine design, robotics integration, and seeing your work deployed in the field — this is your opportunity.
Job Duties:
- Design welding fixtures, tooling, and robotic cell layouts for automated systems
- Create manufacturing-ready drawings, BOMs, and detailed SolidWorks models (GD&T required)
- Perform structural validation using FEA to guide smart design decisions
- Integrate pneumatic and low-voltage electrical subsystems into mechanical assemblies
- Prototype, build, validate, and support onsite installations
- Drive continuous improvement through engineering change requests and field feedback
- Partner with manufacturing and supply chain to improve cost, scalability, and deployment efficiency
Qualifications:
- B.S. in Mechanical or Aerospace Engineering
- 2–6+ years of machine design experience in automation or robotics
- Strong SolidWorks skills (including Simulation/FEA)
- Experience with fixture design, robotic cells, and production automation hardware
- Hands-on mindset — comfortable on the shop floor
- Understanding of machine safety and mechanical risk reduction
- Experience working within PDM/PLM systems
Qualified applicants will receive consideration for employment without regard to race, color, age, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, or genetic information.