Demo

Mechanical Design Engineer

SmithCo Side Dump Trailers
Le Mars, IA Full Time
POSTED ON 6/5/2026
AVAILABLE BEFORE 7/4/2026

Design the World's Best Side Dump Trailers

For more than 30 years, SmithCo has been building the industry's most trusted side dump trailers. Known for superior stability, easier unloading, and faster cycle times, SmithCo is the recognized leader in the North American side dump trailer market, serving customers across construction, demolition, agriculture, mining, and waste management industries.


Our success is built on a simple foundation: honesty, integrity, innovation, and outstanding customer service. We don't just build trailers—we engineer solutions that help our customers work safer, faster, and more profitably.


If you're passionate about engineering, problem-solving, and creating products that perform in some of the toughest environments in the world, we'd like to meet you.


About the Role

As a Mechanical Design Engineer, you will play a key role in designing, developing, and improving industry-leading trailer systems. Working alongside a talented engineering team, you'll create innovative solutions, support manufacturing operations, and help drive continuous improvement across our product lines.


This role offers the opportunity to take concepts from idea to production while collaborating closely with manufacturing, purchasing, suppliers, and fellow engineers.


What You'll Do

  • Design and develop parts, assemblies, and trailer systems using SolidWorks and AutoCAD
  • Create detailed manufacturing drawings and print packages
  • Research new technologies, products, and manufacturing processes
  • Investigate production challenges and develop practical engineering solutions
  • Collaborate with production, purchasing, inventory, and suppliers on design improvements
  • Manage multiple projects and priorities simultaneously
  • Maintain engineering databases and product documentation
  • Support continuous improvement initiatives that enhance quality, efficiency, and profitability


What We're Looking For

  • Bachelor's or Associate's degree in Mechanical Engineering, Engineering Design, Automotive Engineering, Aerospace Engineering, Product Design Technology, or equivalent experience
  • Experience with CAD software, preferably SolidWorks
  • Mechanical design experience
  • Strong analytical and problem-solving skills
  • Excellent communication and teamwork abilities
  • Ability to manage multiple projects while maintaining attention to detail
  • Manufacturing knowledge preferred
  • Trailer, transportation, or heavy equipment design experience is a plus


Why SmithCo?

At SmithCo, our purpose is to deliver premium value to our customers and a better life for our employees.


Benefits Include

  • Medical, Dental & Vision Insurance
  • Life Insurance
  • Short-Term & Long-Term Disability Insurance
  • AFLAC Supplemental Insurance
  • Flexible Spending Accounts (FSA)
  • 401(k) with Company Match
  • Paid Time Off (PTO)
  • 9 Paid Holidays
  • Employee Discounts Through Preferred Vendors


What Employees Love About Working Here

  • Collaborative team environment
  • Career growth opportunities
  • Professional development and ongoing training
  • Competitive compensation
  • Frequent employee recognition
  • Company-wide celebrations and events
  • Employee appreciation activities
  • Donut Fridays!


Build Your Future With SmithCo

Join a company that has spent decades setting the standard for quality, innovation, and customer service in the side dump trailer industry. If you're ready to solve complex engineering challenges and see your designs come to life on the manufacturing floor, SmithCo is the place for you.


Apply today and help engineer the next generation of industry-leading side dump trailers.

Salary.com Estimation for Mechanical Design Engineer in Le Mars, IA
$62,570 to $78,479
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