Injection Molding Engineer
Job in
San Antonio, Bexar County, Texas, 78208, USA
Listed on 2026-08-16
Listing for:
Toyoda Gosei North America Corporation
Full Time
position Listed on 2026-08-16
Job specializations:
-
Engineering
Manufacturing Engineer, Quality Engineering, Process Engineer, Injection Molding -
Manufacturing / Production
Manufacturing Engineer, Quality Engineering, Injection Molding
Job Description & How to Apply Below
The Toyoda Gosei Group is a leading global manufacturer of rubber and plastic automotive components, safety systems and LEDs. Globally Headquartered in Japan with a network of 67 group companies in 17 countries and regions, the Group brings its extensive range of products to customers all over the world.
Toyoda Gosei Texas (located in San Antonio, TX) has an opening for an Injection Molding Engineer in the Interior/Exterior Plastic Engineering department. The Injection Molding Engineer functions with a high degree of autonomy, and is responsible for developing processes for new products and optimizing existing ones to achieve target for quality level, cycle time, and yield, by hands on setup and processing of injection molds for Toyoda Gosei (TG) Texas (TGTX) and TGNA Manufacturing Companies (AMCs).
Essential Duties and Responsibilities
Perform studies on customer product designs for tooling feasibility utilizing CATIA
Oversee and manage new tool design and construction with mold suppliers
Write Mold Design Specifications for new tooling and maintain mold standards
Attend new mold tryouts to identify and troubleshoot problems
Sales support involving cost estimation and tooling cost down proposals
Quoting and scheduling of new tooling and modification to existing tools
Communicate with design and manufacturing in order to solve technical problems
Process Optimization:
Establish and refine molding parameters to maximize efficiency, minimize scrap, and ensure consistent quality.
Troubleshooting & Problem-Solving:
Diagnose and resolve defects, machine issues, and process inefficiencies scientific molding principles.
Tooling & Equipment Management:
Work with tooling suppliers and internal teams to ensure proper mold maintenance, modifications, and performance optimization.
Material & Machine Parameters:
Select appropriate materials (PP, ABS, Nylon, and other automotive-grade resins) and set up injection molding machines for optimal production.
Continuous Improvement:
Apply Toyota Production System (TPS), Kaizen, and Lean Manufacturing principles to drive cost savings and efficiency improvements.
Quality Control:
Ensure parts meet IATF 16949 and ISO 14001 quality standards, utilizing DOE (Design of Experiments) and other statistical methodologies.
Collaboration:
Work closely with production, maintenance, and quality teams to drive improvements in safety, efficiency, and defect reduction.
New Product Development:
Assist in launching new molds, engineering changes, and process development for upcoming Toyota model updates.
Compliance & Safety:
Ensure molding processes comply with OSHA regulations, internal safety policies, and environmental standards.
Waste Reduction:
Decrease scrap rates and improve first-pass yield.
Quality Performance:
Ensure defect-free parts that meet Toyota's stringent quality expectations.
Process Efficiency:
Reduce cycle times and improve overall equipment effectiveness (OEE).
Drive optimization by being actively engaged in continuous improvement efforts (kaizen)
This role requires the completion of other duties as assigned
Required Education, Experience, and Skills
Certifications and Education
Bachelor's degree in Engineering, or equivalent years of relevant experience is required
RJG Master Molder Certification is preferred
Six Sigma Green Belt is preferred
Experience
1-4 years of experience in an engineering role is required
1 to 4 years of experience in injection molding at a manufacturing environment is preferred
Prior knowledge of Injection Molding Machines (Yushin, Yaskawa, Start, Fanuc, UR Robots) is preferred
Understanding of hot runner systems, mold flow analysis and mold maintenance is preferred
Experienced in scientific molding, decoupled molding and root cause analysis is preferred
Familiar with Toyota Production Systems (TPS), Lean Manufacturing and Six Sigma methodologies is preferred
Physical Requirements
The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.
While performing…
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