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Flex Injection Molding Engineer Jobs (NOW HIRING)

Injection Mold Design Engineer The Injection Mold Design Engineer is responsible for material selection, injection molding design, tooling feasibility, process development support, and molded-product ...

INJECTION MOLDING ENGINEER LEVEL III PAY: LEVEL III - $80K - $90K (5 - 10 YEARS EXPERIENCE) VISA SPONSORSHIP: NO RELOCATION ASSISTANCE: YES REMOTE: NO Our client is offering a very rewarding career ...

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Flex Injection Molding Engineer information

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$31K

$89.4K

$118K

How much do flex injection molding engineer jobs pay per year?

As of Jul 31, 2026, the average yearly pay for flex injection molding engineer in the United States is $89,430.00, according to ZipRecruiter salary data. Most workers in this role earn between $80,500.00 and $104,500.00 per year, depending on experience, location, and employer.

What is the difference between Flex Injection Molding Engineer vs Injection Molding Technician?

AspectFlex Injection Molding EngineerInjection Molding Technician
CredentialsBachelor's degree in engineering or related field, certifications in molding processesTechnical diploma or certification in molding or manufacturing
Work EnvironmentDesign, process optimization, troubleshooting in manufacturing plantsOperate and maintain molding machines on the production floor
ResponsibilitiesDeveloping processes, improving product quality, troubleshooting complex issuesSetting up machines, monitoring production, performing routine maintenance

The Flex Injection Molding Engineer focuses on process development, design, and troubleshooting, often working on process optimization and quality improvement. In contrast, the Injection Molding Technician handles daily machine operation and maintenance. Both roles are essential in manufacturing but differ in scope and responsibilities.

What are some common challenges faced by Flex Injection Molding Engineers, and how can they be addressed in a production setting?

Flex Injection Molding Engineers often encounter challenges such as maintaining consistent product quality, troubleshooting equipment malfunctions, and minimizing cycle times while maximizing efficiency. Addressing these issues typically involves collaborating closely with cross-functional teams, implementing robust process monitoring systems, and staying up to date with the latest advancements in molding technology. Proactively participating in root cause analysis and continuous improvement initiatives can also help engineers overcome these challenges and contribute to a more streamlined production environment.

What are the key skills and qualifications needed to thrive as a Flex Injection Molding Engineer, and why are they important?

To thrive as a Flex Injection Molding Engineer, you need a strong background in plastics engineering, process optimization, and manufacturing principles, generally supported by a degree in engineering or a related field. Familiarity with injection molding machines, CAD/CAM software, and industry standards such as ISO or Six Sigma certifications is typically required. Strong problem-solving, communication, and project management skills help you collaborate with cross-functional teams and resolve production challenges effectively. These skills ensure efficient, high-quality, and cost-effective production of molded components in a competitive manufacturing environment.

What does a Flex Injection Molding Engineer do?

A Flex Injection Molding Engineer is responsible for designing, optimizing, and overseeing the manufacturing process of plastic parts using injection molding technology, often in flexible or contract manufacturing environments. They work on improving mold designs, selecting suitable materials, setting machine parameters, and troubleshooting production issues to ensure high-quality and cost-effective products. Their role often involves collaborating with product designers, quality control teams, and production staff to achieve efficient and reliable mass production of plastic components.
More about Flex Injection Molding Engineer jobs
What cities are hiring for Flex Injection Molding Engineer jobs? Cities with the most Flex Injection Molding Engineer job openings:
What are the most commonly searched types of Injection Molding Engineer jobs? The most popular types of Injection Molding Engineer jobs are:
What states have the most Flex Injection Molding Engineer jobs? States with the most job openings for Flex Injection Molding Engineer jobs include:
Infographic showing various Flex Injection Molding Engineer job openings in the United States as of July 2026, with employment types broken down into 96% Full Time, 1% Part Time, and 3% Contract. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution, with an average salary of $89,430 per year, or $43 per hour.

Injection Molding Engineer

Toyoda Gosei Texas LLC

San Antonio, TX

Full-time

Re-posted 11 days ago


Job description

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