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Mechanical Engineer III

Sonny's Enterprises Inc. - Conveyorized Car Wash Equipment Leader
Savage, MN Full Time
POSTED ON 8/26/2026
AVAILABLE BEFORE 9/24/2026
Sonny's Enterprises is the world's largest manufacturer of conveyorized car wash equipment, parts, and supplies. We are the industry leader, recognized and awarded by the International Car Wash Association for innovating new technologies to advance the industry with products proudly designed and built in the USA. Our culture thrives on finding new and better ways to accelerate what’s next. We embrace change and the opportunity it produces to maximize the potential of our most valuable resource — our PEOPLE! We invite you to explore our opportunities and grow your career with us.

The Mechanical Engineer III is responsible for the design and development of complex mechanical systems, components, and products. This role will leverage a deep understanding of engineering principals, with a strong focus on Design Failure Modes and Effects Analysis (DFMEA), Advanced Product Quality Planning (APQP), Design of Experiments (DOE), Design for Manufacturing (DFM), and Design for Automation (DFA).

Responsibilities

  • Take the lead in the product design and development of mechanical systems and components, from concept to production.
  • Facilitate and support Design Failure Modes and Effects Analysis (DFMEA) activities; identify potential design-related failures and risks and develop mitigation strategies.
  • Build product prototypes and oversee structural and thermal testing and analysis of designs to validate functionality and ensure product performance.
  • Plan, execute, and analyze Design of Experiments (DOE) to optimize product design, considering complex interactions.
  • Analyze testing results and provide input for design modifications based on DFMEA and DOE outcomes.
  • Collaborate with manufacturing and automation teams to streamline production and integrate Design for Manufacturing (DFM) and Design for Automation (DFA) principles into the design process.
  • Lead in root cause analysis and troubleshooting efforts in alignment with APQP guidelines.
  • Utilize advanced computer-aided design (CAD) software to create 3D models and engineering drawings.
  • Review engineering documentation to ensure accuracy and compliance with industry standards.
  • Lead in the development of product manuals and technical reports.
  • Champion continuous improvement initiatives to enhance product quality.
  • Ensure adherence to safety protocols, industry standards, and quality requirements in design work.
  • Stay informed about industry best practices, emerging technologies, and innovative engineering trends.
  • Collaborate with and mentor junior engineers, providing guidance for design projects and fostering a culture of excellence within the team.
  • Collaborate with cross-functional teams, including manufacturing, quality assurance, research and development, and automation.
  • Other duties as assigned.

Qualifications

  • Bachelors’ degree in Mechanical Engineering or related discipline required.
  • Must have 6-8 years of experience in engineering field.
  • Demonstrated ability to lead projects.
  • Proficiency in advanced CAD software (e.g., SolidWorks, Auto CAD).
  • Strong problem solving, analytical, and communication skills.
  • Sound knowledge of engineering principals and methodologies, including DFMEA, APGP, DOE,DFM, and DFA.
  • Proficient in MS Word, Excel, MS Outlook and Internet Explorer.
  • Knowledge of design techniques, tools, and principles involved in production of precision technical plans, blueprints, drawings, and models.
  • Knowledge of machines and tools, including their designs, uses, repair, and maintenance.
  • The ability to work effectively and productively with others. Shares responsibility with team members for successes and failures.
  • Considers the relative costs, benefits, impact or consequences of potential actions to choose the most appropriate one. Ability to make decisions in a timely manner.
  • Practices safe work habits and encourages others to do the same. Identifies ways to improve the safety of the work environment. Knowledge of relevant policies and procedures to promote effective safety operations.
  • High level of integrity and dependability with a strong sense of urgency and results-orientation.
  • Proficient in MS Word, Excel, MS Outlook and Internet Explorer. Email automation, and online analytics tools required.

The pay for this position is dependent upon experience, between $98,521.50 and $133,287.00.

We offer a 100% employer-paid medical plan for eligible employees. In addition, the Company provides employer-paid Short-Term Disability (STD) coverage.

Employees and their eligible family members may also elect from a variety of voluntary, employee-paid benefit options, including additional medical plan choices, dental, vision, flexible spending accounts (FSAs), Long-Term Disability (LTD), life insurance, and a 401(k) plan with a Company matching contribution.

EEO Statement

Equal Opportunity Employer

Sonny’s is proud to be an equal opportunity employer and is committed to maintaining a diverse and inclusive work environment. All qualified applicants will receive considerations for employment without regard to race, color, religion, sex, age, disability, marital status, familial status, sexual orientation, pregnancy, genetic information, gender identity, gender expression, national origin, ancestry, citizenship status, veteran status, and any other legally protected status under federal, state, or local anti-discrimination laws.

Salary : $98,522 - $133,287

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