What are the responsibilities and job description for the Thermoforming Tool Design Engineer position at Sinclair and Rush Inc.?
Thermoforming Tool Design Engineer
Location: Arnold, MO
Sinclair & Rush is a global manufacturer of plastic, rubber, and foam products, serving a wide range of industries. We are looking for a hands-on Thermoforming Tool Design Engineer to support our growing operations. This role works closely with production, engineering, and machining teams to design and develop tooling that supports efficient, high-quality manufacturing.
Key Responsibilities
- Design thermoforming molds, trim tools, fixtures, and related components using 3D CAD software
- Create and maintain detailed 2D drawings and dimensional layouts in accordance with company standards
- Develop CNC machining programs (CAM) to support tool fabrication
- Select appropriate tooling materials, components, and machining methods based on application and performance needs
- Collaborate with production teams to troubleshoot tooling issues and implement design improvements
- Support new product development and tooling launches from concept through production
- Perform tooling cost analysis and provide estimates for new and revised tools
- Assist in scheduling machining and tooling resources to meet production timelines
- Establish and support production procedures, tooling standards, and quality expectations
- Participate in quality assessments and continuous improvement initiatives related to tooling performance
- Maintain accurate data within company systems, including BOMs, routings, items, and project records
Qualifications
- Bachelor's degree in Mechanical Engineering or related field, or equivalent hands-on experience
- Experience in tooling design, preferably within thermoforming or plastics manufacturing
- Proficiency in CAD software (SolidWorks or similar) and CAM programming (Mastercam preferred)
- Strong understanding of tooling materials, machining processes, and manufacturing methods
- Ability to read and interpret technical drawings and specifications
- Experience working within ERP or company database systems (BOMs, routings, projects)
- Experience with thermoforming and CNC machining processes
- Strong problem-solving skills and attention to detail
- Ability to manage multiple projects and priorities in a fast-paced environment
What We're Looking For
- Someone who enjoys working closely with production and solving real-world manufacturing challenges
- A practical, solutions-focused mindset with the ability to balance design and manufacturability
- Strong communication and collaboration across departments
What We Offer
- Competitive pay based on experience
- Comprehensive benefits package including medical, dental, and vision
- 401(k) with company match
- Paid time off and holidays
- Opportunity to work in a collaborative, hands-on manufacturing environment