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Freelance Prototype Build Engineer Jobs Near Me

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 ...

New

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 ...

Test Engineer

Raymond, OH · On-site

$40 - $45/hr

Support supplier validation and test plan correlation. Assist with vehicle build events, product ... Vehicle modification, accessory installation, or prototype evaluation experience. Type: Contract ...

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 ...

Mechanical Engineer

Hartford, OH · On-site

$70K - $85K/yr

Mechanical Engineer Summary The Mechanical Engineer supports the design, development, testing, and ... Prototype Development -- Build and evaluate prototypes; conduct iterative design improvements based ...

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How much do freelance prototype build engineer jobs pay per hour?

As of Aug 22, 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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A map of the United States highlighting the number of Freelance Prototype Build Engineer job openings by state according to ZipRecruiter. The image is accompanied by a detailed chart listing the number of Freelance Prototype Build Engineer job openings in each state, with California having the most at 2 and Hawaii the least at 0.

Mechanical Engineer

Sterling Engineering Inc.

Columbus, OH • On-site

$90/hr

Full-time

PTO

Re-posted 29 days ago


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.