Demo

Injection Molding Engineer

Toyoda Gosei Americas
San Antonio, TX Full Time
POSTED ON 4/23/2026
AVAILABLE BEFORE 5/22/2026
Summary

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 the duties of this job, the employee is regularly required to talk or hear. The employee frequently is required to sit. The employee is occasionally required to stand, walk, and reach with hands and arms. The employee must occasionally lift and/or move up to 50 pounds. Specific vision abilities required by this job include close vision.

Technology Competencies

  • Proficiency using Microsoft Office Suites 2016 or newer is required
  • Previous experience with Moldflow is preferred
  • Previous experience with SolidWorks is preferred

Work Environment

  • Plant environment

Additional Competencies

  • Ability to consistently meet deadlines is required
  • Bilingual (English/Spanish) is a plus
  • Effective verbal, non-verbal, negotiation and written communication skills are required
  • Ability to sustain a high degree of professionalism in interacting with internal and external customers is required
  • Effective attention to detail, problem solving, analytical and organizational skills are required
  • Strong organizational skills, analytical thinking skills, problem solving and project scheduling skills is required

Salary.com Estimation for Injection Molding Engineer in San Antonio, TX
$70,505 to $83,566
If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Injection Molding Engineer?

Sign up to receive alerts about other jobs on the Injection Molding Engineer career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$75,268 - $87,858
Income Estimation: 
$87,269 - $103,648
Income Estimation: 
$85,140 - $105,525
Income Estimation: 
$86,279 - $107,192
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Toyoda Gosei Americas

  • Toyoda Gosei Americas Hopkinsville, KY
  • Minimum Qualifications High School Diploma or GED Must be able to use small hand tools; bend, stoop, kneel and twist Previous manufacturing experience pref... more
  • 15 Days Ago

  • Toyoda Gosei Americas Hopkinsville, KY
  • The OJT Trainer will be responsible for training, mentoring and coaching Production Team Members. The goal of the trainer is to help new employees get accl... more
  • 15 Days Ago

  • Toyoda Gosei Americas San Antonio, TX
  • Essential Duties And Responsibilities Develop and implement health and safety regulations to support safety culture for maintenance and the manufacturing f... more
  • Just Posted

  • Toyoda Gosei Americas Hopkinsville, KY
  • Minimum Qualifications High School Diploma or GED equivalent or above Basic understanding of mechanical / mechanical machinery & repairs of common machiner... more
  • 1 Day Ago


Not the job you're looking for? Here are some other Injection Molding Engineer jobs in the San Antonio, TX area that may be a better fit.

  • Toyoda Gosei Americas San Antonio, TX
  • Key Responsibilities Process Optimization: Establish and refine molding parameters to maximize efficiency, minimize scrap, and ensure consistent quality. T... more
  • 6 Days Ago

  • Toyoda Gosei Americas San Antonio, TX
  • Responsibilities Ensure the safety of the team members assigned to your area of responsibility Ensure defects are within company standards as well as all o... more
  • 1 Day Ago

AI Assistant is available now!

Feel free to start your new journey!