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# Design Engineer III

- **Company:** Nidec Motor Corporation
- **Location:** St. Louis, MO, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Computer-Aided Design, Adobe InDesign, Configuration Management
- **Published:** October 27, 2026
- **Apply:** https://www.careerbuilder.com/job-details/design-engineer-iii-saint-louis-mo--cbca4be0-a495-49af-99b7-4d512c82012b

## About the Role

Technical/Engineering Design, Mining Equipment and Machinery, Cellular Telephone, Robotics, Technical/Engineering Design, Product Design, Engineering Management, Technical Leadership, Analysis Skills, Tolerance Analysis, * Bachelor's degree in Engineering (Mechanical, Electrical, Manufacturing, Industrial, or related discipline) required

 * Advanced degree preferred
 * Typically 5-7+ years of progressive experience in design or product engineering roles
 * Advanced knowledge of engineering design, materials, and manufacturing processes
 * Strong proficiency in CAD and engineering analysis tools
 * Ability to independently solve complex, non-routine engineering problems
 * Strong systems-thinking, analytical, and decision-making skills
 * Effective written, verbal, and technical communication skills
 * Ability to influence outcomes without formal authority
 * High attention to detail and strong quality mindset

## Description

The Design Engineer III is a senior-level engineering professional responsible for leading complex design activities for products, systems, or subsystems. This role has a direct impact on product performance, quality, cost, and manufacturability through advanced engineering judgment, deep technical expertise, and cross-functional collaboration.

The role typically reports to an Engineering Director, Engineering Manager, or

Engineering Supervisor, depending on organizational structure.

Responsibilities

Advanced Design & Technical Leadership

 * Lead design and development of complex components, subsystems, or products from concept through release
 * Translate high-level or ambiguous requirements into robust engineering solutions
 * Apply advanced engineering principles, standards, and industry best practices

Engineering Analysis & Validation

 * Perform advanced calculations, simulations, and tolerance analysis
 * Lead design verification and validation activities
 * Identify and mitigate technical risks through structured analysis and testing

Documentation, Reviews & Configuration Control

 * Own creation and approval of detailed drawings, specifications, and BOMs
 * Lead design reviews and technical decision discussions
 * Ensure configuration control, change management, and documentation accuracy Manufacturing, Quality & Lifecycle Support Partner with

Manufacturing, Quality & Lifecycle Support

 * Partner with Manufacturing and Supply Chain on design for manufacturability and cost optimization
 * Support quality investigations, root-cause analysis, and corrective actions
 * Provide technical support during production, field issues, or product changes

Cross-Functional Collaboration & Advisory

 * Collaborate with Product Management, Manufacturing, Quality, Supply Chain, and Project teams
 * Communicate technical recommendations, risks, and trade-offs clearly to stakeholders
 * Support new product introductions, scale-ups, and process improvements

Leadership Through Expertise & Mentoring

 * Serve as technical mentor and reviewer for Design Engineer I and II roles
 * Share best practices, lessons learned, and design standards
 * Contribute to continuous improvement of engineering processes and tools